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OB-GYNs accepting Aetna in O Fallon, MO

36 in-network OB-GYNs with 9 plans in O Fallon, MO

36 Providers
52 Specialties
Aetna’s Missouri network spans 40,543 providers. O Fallon accounts for 2% of that. The largest Aetna footprint in Missouri is in Saint Louis (10,874 providers).
Showing 2136 of 36 providers·
KK
Dr. Kelli Kreher, MD
Obstetrics/Gynecology
Missouri Baptist Hospital Of Sullivan
721 Sappington Bridge Rd, O Fallon, MO 63080· 46.7 mi away
11 years experience · Southern Illinois University School Of M...
Aetna✓ Medicare8 plans
MH
Dr. Madeline Hannibal, MD
Obstetrics/Gynecology
Physician Groups Lc
3009 N Ballas Rd, O Fallon, MO 63131· 17.0 mi away
5 years experience · Saint Louis University School Of Medicin...
Aetna✓ Medicare5 plans
AW
Dr. Alexa Williams, MD
Obstetrics/Gynecology
Mercy Clinic East Communities
12700 Southfork Rd, O Fallon, MO 63128· 25.4 mi away
9 years experience · University Of Arizona College Of Medicin...
Aetna✓ Medicare7 plans
MP
Dr. Michael Paul, MD
Obstetrics/Gynecology
Physician Groups Lc
3009 N Ballas Rd, O Fallon, MO 63131· 17.0 mi away
46 years experience · Northwestern University Feinberg Medical...
Aetna✓ Medicare7 plans

About Aetna Coverage in O Fallon

Aetna operates 9 distinct plans in O Fallon, MO, with a combined in-network roster of 758 doctors across 52 medical specialties. Among the five largest insurers we track in O Fallon, Aetna ranks #1 by provider count. Use this page to confirm a specific provider is in-network, understand which Aetna plans have the widest reach in O Fallon, and compare coverage against other major insurers before scheduling care.

Aetna sells PPO, OAP, HMO, POS and other plan types in O Fallon. 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.

Aetna does not sell consumer ACA marketplace plans or Medicare Advantage in O Fallon. 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 May 29, 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 O Fallon

Aetna organizes its O Fallon 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 758-doctor network that offers plans of each type.

A high PPO share means most Aetna doctors in O Fallon 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 Aetna 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 O Fallon.

Network size758Aetna providers in O Fallon
PPO
748758
99%
HMO
700758
92%
EPO
5758
1%
POS
199758
26%
OAP
730758
96%
Other
607758
80%

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

Aetna Plans for OB-GYNs in O Fallon

Network-level provider counts for ob-gyns accepting Aetna in O Fallon. Each row is a network in Aetna’s federal filing. your specific plan maps to one of these.

Plan / NetworkTypeDoctors

Open Choice

PPO

36

Aetna HMO

HMO

36

AHF PPO

PPO

36

Open Access Aetna Health Network Only

OAP

36

Aetna CVS Bronze

35

Aetna CVS Silver 1

34

Aetna Choice POS II

POS

11

HSA Aetna Choice POS II

POS

11

Aetna CVS Exchange

1

Physician Experience in Aetna’s O Fallon 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 Aetna’s O Fallon 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.

Median18years of experience
1,704 Aetna providers in O Fallon with graduation-year data
Early career0–5 yrs
187providers
11%
Established6–15 yrs
532providers
31%
Senior16–30 yrs
623providers
37%
Veteran30+ yrs
362providers
21%

Telehealth Coverage in O Fallon

87 of 758 Aetna in-network providers (11%) offer telehealth visits in O Fallon. 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 Aetna member ID to confirm your plan covers the visit type you need.

Top specialties offering telehealth in O Fallon

Top Hospitals Serving Aetna Patients in O Fallon

Hospitals with the most Aetna-network physicians practicing there. Large affiliation counts indicate that Aetna 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 Aetna 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 O Fallon

Side-by-side provider counts for the five largest commercial and government insurers tracked in O Fallon. 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 Aetna’s provider count looks limited for your needs, the alternatives below may fit better. Click any row to open that insurer’s O Fallon provider list with the same filters, plan breakdown, and hospital affiliations that you’re seeing here.

Nearby Cities with Aetna Coverage

Cities closest to O Fallon where Aetna 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 Aetna network size. a small count doesn’t mean no coverage, just that your in-O Fallon options are likely more plentiful.

Frequently Asked Questions

Common questions about Aetna coverage in O Fallon

How do I find an Aetna in-network doctor in O Fallon, MO?

Aetna has 758 in-network providers across 52 medical specialties in O Fallon. This list is compiled from federally-mandated CMS Transparency in Coverage filings, last verified May 29, 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 Aetna plan types are available in O Fallon?

Aetna sells 5 distinct plan types in O Fallon: PPO (748 doctors), OAP (730 doctors), HMO (700 doctors), POS (199 doctors), EPO (5 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 O Fallon accept Aetna?

Hospitals where Aetna doctors most commonly practice in O Fallon include MISSOURI BAPTIST MEDICAL CENTER, BARNES JEWISH HOSPITAL, ST LUKES HOSPITAL, PROGRESS WEST HOSPITAL. This is inferred from physician affiliations rather than direct insurer-hospital contracts, so confirm hospital network status separately with both your Aetna 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 Aetna providers in O Fallon?

Aetna's O Fallon network is largest in Nurse Practitioner (142), Internal Medicine (61), Family Practice (59). 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 do I verify a doctor is in-network with Aetna?

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 Aetna plan, and third check Aetna's own member portal for the most authoritative real-time status. Networks change between monthly federal filings; our data was last refreshed May 29, 2026.

What if my doctor isn't listed here?

This list reflects Aetna's submitted network data as of the last federal filing on May 29, 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 Aetna, then check Aetna's own member portal for confirmation.

When was this Aetna data last updated?

The Aetna O Fallon provider list was last refreshed May 29, 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 O Fallon Aetna members.

Data freshness

Last verified May 29, 2026 · Source: CMS Transparency in Coverage federal filings · Refresh cadence: monthly