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UMR Doctors in Atwater, CA

52 in-network providers across 15 specialties and 4 plans

52 Providers
15 Specialties
UMR’s California network spans 161,548 providers. Atwater contributes 52 in-network providers. under 1% of the statewide total. The largest UMR footprint in California is in Los Angeles (13,944 providers).
Showing 120 of 52 providers·
PN
Pamela Noonan, NP
Nurse Practitioner
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
1 years experience · Other
UMR4 plans
CM
Christina Manguerra, CSW
Clinical Social Worker
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
11 years experience · Other
UMR2 plans
TG
Tamara Giordano, NP
Nurse Practitioner
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
6 years experience · Other
UMR4 plans
CM
Dr. Cassandra Mahan-Richards, MD
Pediatric Medicine
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
43 years experience · Other
UMR8 plans
AH
Alexa Hoffer, PA
Physician Assistant
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
4 years experience · Other
UMR7 plans
FJ
Frantz Jean-Louis
Nurse Practitioner
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
3 years experience · Other
UMR3 plans
SS
Syleena Sturdifen, PA
Physician Assistant
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
8 years experience · Eastern Virginia Medical School
UMR6 plans
GH
Gurpreet Hundal, PT
Physical Therapist In Private Practice
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
5 years experience · Other
UMR4 plans
KK
Kamaljit Kaur, NP
Nurse Practitioner
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
2 years experience · Other
UMR1 plans
MD
Megan Dardis, PA
Physician Assistant
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
1 years experience · Other
UMR1 plans
MJ
Marline Jean-Louis, NP
Nurse Practitioner
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
12 years experience · Other
UMR4 plans
DW
Daria Wood, PA
Physician Assistant
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
16 years experience · Other
UMR✓ Medicare5 plans
DM
Diego Martinez, OT
Occupational Therapist In Private Practice
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
5 years experience · Other
UMR3 plans
NY
Nancy Yang, CSW
Clinical Social Worker
340 Gertrude Ave, Atwater, CA 95301
16 years experience · Other
UMR4 plans
VS
Vaneet Sandhu, PA
Physician Assistant
1910 Customer Care Way, Atwater, CA 95301· 1.0 mi away
1 years experience · Other
UMR3 plans

About UMR Coverage in Atwater

UMR operates 4 distinct plans in Atwater, CA, with a combined in-network roster of 52 doctors across 15 medical specialties. Among the five largest insurers we track in Atwater, UMR ranks #2 by provider count, the leader is Aetna with 59 in-network doctors. Use this page to confirm a specific provider is in-network, understand which UMR plans have the widest reach in Atwater, and compare coverage against other major insurers before scheduling care.

UMR sells PPO, POS plan types in Atwater. A PPO (Preferred Provider Organization) lets you see any provider without a referral; out-of-network care is covered but you pay a higher share. An HMO (Health Maintenance Organization) requires you to pick a primary-care doctor and get referrals for most specialist care, usually in exchange for lower premiums. An EPO (Exclusive Provider Organization) is in-network only, like an HMO, but skips the referral requirement. A POS (Point of Service) plan blends HMO-style in-network with PPO-style out-of-network options. Your plan name is on your member ID card.

UMR does not sell consumer ACA marketplace plans or Medicare Advantage in Atwater. The networks above are commercial offerings, typically distributed through employer group plans, self-funded ERISA arrangements, and similar group products.

Data is sourced from the federally-mandated CMS Transparency in Coverage filings that every insurer must publish monthly. Last refreshed July 14, 2026. Networks change between filings, so even when a doctor appears here we recommend calling their office with your member ID to confirm current network status before your visit.

Plan Type Mix in Atwater

UMR organizes its Atwater network into several plan types, each with different rules about which doctors you can see and what referrals you need. The bars below show the unique-provider share of the 52-doctor network that offers plans of each type.

A high PPO share means most UMR doctors in Atwater accept the insurer’s broader preferred-provider plans. these give you maximum choice and don’t require referrals to specialists. A high HMO share signals a tighter gatekeeper model: lower premiums but you usually need your primary-care doctor to refer you before a specialist will bill. EPO and POS bars sit between those two on both flexibility and cost.

Because individual doctors typically participate in multiple UMR plan types at once, these percentages don’t sum to 100%. the same provider can appear as both PPO and OAP coverage. What the chart tells you is which plan categories have meaningful depth in Atwater.

Network size52UMR providers in Atwater
PPO
5152
98%
POS
5052
96%
Other
5152
98%

Percentages don’t sum to 100% because most doctors participate in several plan types simultaneously.

UMR Plans in Atwater

UMR contracts with doctors at the network level in Atwater. Each network below is a contract; your specific plan (printed on your member ID) maps to one of them.

Plan / NetworkTypeDoctors

UMR Administered Network

51

UnitedHealthcare Options PPO

PPO

51

Choice Plus POS

POS

49

Select Plus POS

POS

32

Top Specialties Accepting UMR

UMR’s Atwater network spans 15 distinct medical specialties. The mix reflects where the insurer has negotiated the deepest physician contracts. primary-care specialties and behavioral health tend to dominate, with surgical and sub-specialty networks typically narrower.

Click any specialty below to see a filtered list of just those in-network providers in Atwater, including ratings, locations, years of experience, and contact information. For specialties with fewer than 10 in-network providers, you’ll likely want to check nearby cities too. the section further down on this page has your geographic options.

Physician Experience in UMR’s Atwater Network

Years since medical school graduation is a reasonable proxy for experience, though it doesn’t capture fellowship training, subspecialty certifications, or years spent in specific clinical settings. For UMR’s Atwater network the breakdown below gives a quick sense of whether you’re picking from a predominantly early-career roster or one weighted toward veteran practitioners.

A network heavy on early-career doctors (0–5 years) often means lower wait times for new patients and exposure to the latest training, while veteran providers (30+ years) typically bring deeper pattern recognition for unusual presentations. A balanced distribution. roughly one-quarter in each bucket. is a healthy signal that the insurer has depth at every career stage, not just new graduates filling out its directory.

Median16years of experience
50 UMR providers in Atwater with graduation-year data
Early career0–5 yrs
3providers
6%
Established6–15 yrs
15providers
30%
Senior16–30 yrs
22providers
44%
Veteran30+ yrs
10providers
20%

Telehealth Coverage in Atwater

3 of 52 UMR in-network providers (6%) offer telehealth visits in Atwater. Video appointments are typically covered for follow-ups, medication refills and adjustments, mental-health sessions, dermatology triage, and low-acuity primary care.

Availability and reimbursement still vary by state regulation and specific plan. Psychiatry, behavioral-health, and primary-care telehealth is near-universal at this point; procedural specialties (cardiology, orthopedics) typically offer video visits for pre-op consults and post-op follow-up but not initial diagnostic visits. Call the office with your UMR member ID to confirm your plan covers the visit type you need.

Top specialties offering telehealth in Atwater

Top Hospitals Serving UMR Patients in Atwater

Hospitals with the most UMR-network physicians practicing there. Large affiliation counts indicate that UMR has a durable relationship with the facility, which typically means smoother prior-authorizations for admissions, lab work, and follow-up care coordinated under one roof.

Hospital coverage is a separate contract from physician coverage. your UMR plan may cover a doctor who admits at Hospital X but classify the hospital itself as out-of-network, leaving you with a surprise facility bill. Before scheduling anything inpatient or procedural, call both the doctor’s office and the hospital billing line with your member ID to confirm both sides are in-network for the specific plan you hold.

Coverage Compared in Atwater

Side-by-side provider counts for the five largest commercial and government insurers tracked in Atwater. These numbers show raw network breadth. they don’t adjust for quality, specialty mix, or your specific plan’s tier structure, but they’re a useful first filter when choosing a carrier at open enrollment.

If UMR’s provider count looks limited for your needs, the alternatives below may fit better. Click any row to open that insurer’s Atwater provider list with the same filters, plan breakdown, and hospital affiliations that you’re seeing here.

Nearby Cities with UMR Coverage

Cities closest to Atwater where UMR has an in-network provider base of meaningful size. Useful if you’re willing to drive a short distance for a hard-to-find specialist, have two offices to choose between, or are planning a move inside the region.

The mileage figures are straight-line distances computed from average practice-address coordinates, not drive-time. Counts reflect each nearby city’s UMR network size. a small count doesn’t mean no coverage, just that your in-Atwater options are likely more plentiful.

Frequently Asked Questions

Common questions about UMR coverage in Atwater

How do I find an UMR in-network doctor in Atwater, CA?

UMR has 52 in-network providers across 15 medical specialties in Atwater. This list is compiled from federally-mandated CMS Transparency in Coverage filings, last verified July 14, 2026. Filter by specialty, plan type, gender, telehealth or experience above to narrow your search, then click any provider for full credentials and contact details. Always confirm coverage with your specific plan before scheduling.

What UMR plan types are available in Atwater?

UMR sells 2 distinct plan types in Atwater: PPO (51 doctors), POS (50 doctors). PPO plans give you the broadest provider choice without referrals; HMO plans require a primary-care referral but typically have lower premiums; EPO plans skip the referral but stay in-network only; POS plans blend HMO in-network rules with PPO out-of-network options. Choose by reading what's printed on your member ID card and matching it to one of the rows in the Plans section above.

Which hospitals in Atwater accept UMR?

Hospitals where UMR doctors most commonly practice in Atwater include MERCY MEDICAL CENTER, DOCTORS HOSPITAL OF MANTECA, EMANUEL MEDICAL CENTER, ST JOSEPH'S MEDICAL CENTER OF STOCKTON. This is inferred from physician affiliations rather than direct insurer-hospital contracts, so confirm hospital network status separately with both your UMR plan and the hospital's billing department before scheduling any inpatient or surgical procedure. Even when a doctor is in-network, the hospital where they admit may not be.

Which medical specialties have the most UMR providers in Atwater?

UMR's Atwater network is largest in Nurse Practitioner (15), Physician Assistant (8), Family Practice (8). Primary care, behavioral health, and physical therapy tend to dominate insurer networks because high patient volumes drive deeper provider contracts. Surgical sub-specialties typically have narrower networks. Click any specialty in the section above to see a filtered list of those in-network providers.

How does UMR compare to other insurers in Atwater?

UMR ranks #2 of 6 major insurers tracked in Atwater by provider count, with 52 doctors. Aetna leads at 59 providers. Larger network size means more provider choice but doesn't guarantee that your specific doctor is in-network with any insurer. The Coverage Compared section above shows side-by-side counts for the top five carriers in Atwater.

How do I verify a doctor is in-network with UMR?

Three steps: first match the doctor's name against this list, second call the provider's office with your member ID to confirm they currently accept your specific UMR plan, and third check UMR's own member portal for the most authoritative real-time status. Networks change between monthly federal filings; our data was last refreshed July 14, 2026.

What if my doctor isn't listed here?

This list reflects UMR's submitted network data as of the last federal filing on July 14, 2026. Doctors join and leave networks between filings, so a current in-network provider may be missing if they joined recently. Call the doctor's office to ask whether they currently accept UMR, then check UMR's own member portal for confirmation.

When was this UMR data last updated?

The UMR Atwater provider list was last refreshed July 14, 2026. Doctor and network data come from the federally-mandated CMS Transparency in Coverage filings that every insurer must publish monthly. Refresh cadence: monthly for provider data, annually for marketplace and Medicare plans.

Related healthcare resources

Patient resources for Atwater UMR members.

Data freshness

Last verified July 14, 2026 · Source: CMS Transparency in Coverage federal filings · Refresh cadence: monthly