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MA

Martha C. Ajca

Physician Assistant

17051 SIERRA LAKES PKWY, Fontana, CA 92336

Medicare Accepted
Telehealth Available
13+ Years Experience

Contact Martha C. Ajca

(909) 428-2040Get Directions

17051 SIERRA LAKES PKWY, Fontana, CA 92336

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Specialty

Physician Assistant Specialists

Coverage

Medicare + 2 Networks

Telehealth

Available

About Martha C. Ajca

Background and practice information

Martha C. Ajca is a physician assistant with over 13 years of clinical experience serving patients in the Fontana, CA area. She completed her medical training at Other and has been in practice since 2013. She currently practices at Dignity Health Medical Foundation.

Martha C. Ajca's clinical practice focuses on treating patients with high cholesterol, type 2 diabetes, hypothyroidism (underactive thyroid), and related conditions.

Martha C. Ajca has earned an outstanding quality rating from the Centers for Medicare & Medicaid Services, scoring 96.5 out of 100 on the MIPS quality assessment — placing her among the top-performing providers in her specialty. Martha C. Ajca is in-network with 2 insurance providers, including Medicare, UMR. Patients are encouraged to verify coverage with her office before scheduling an appointment.

At a Glance

GenderFemale
Experience13+ years
MedicareAccepted
TelehealthAvailable

Education

Medical SchoolOther
Graduated2013

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Practice Locations

2 locations

Dignity Health Medical Foundation

Primary

17051 Sierra Lakes Pkwy

Fontana, CA 92336

(909) 428-2040

Dignity Health Medical Foundation

4240 Highland Ave

Highland, CA 92346

(909) 864-4700

Affiliations

Hospital and facility affiliations

Treatment & Experience

Clinical practice and procedure experience for Martha C. Ajca

Services & Procedures

Martha C. Ajca's clinical practice encompasses office visits, preventive care, diagnostic testing, and 1 other areas of care.

Office Visits

177 services

Martha C. Ajca provides patient consultations ranging from routine follow-ups to comprehensive evaluations, including follow-up visit and new patient visit. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 84% below the billed amount.

Preventive Care

96 services

Martha C. Ajca delivers preventive health services including wellness visits, vaccinations, and health screenings, including annual wellness visit and flu vaccine and pneumonia vaccine. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 68% below the billed amount.

Diagnostic Testing

15 services

Martha C. Ajca orders and interprets diagnostic tests to support clinical decision-making, with hemoglobin A1c test being a key part of her practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 76% below the billed amount.

Injections & Procedures

20 services

Martha C. Ajca performs therapeutic injections and minor procedures, with injection being a key part of her practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 92% below the billed amount.

Treatment Approach

Martha C. Ajca's treatment approach includes prescribing Atorvastatin Calcium, Metformin Hcl, Levothyroxine Sodium for her patients. These medications are commonly used for treating high cholesterol, type 2 diabetes, hypothyroidism (underactive thyroid). She prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within her specialty. Martha C. Ajca has treated a significant number of Medicare patients, demonstrating an established practice in this area.

Atorvastatin Calcium— for high cholesterol
Metformin Hcl— for type 2 diabetes
Levothyroxine Sodium— for hypothyroidism (underactive thyroid)
Amlodipine Besylate— for high blood pressure
Omeprazole— for acid reflux and stomach ulcers

Source: CMS Medicare Provider Utilization and Payment Data, 2023.

Insurance Networks

Accepted insurance plans and networks

Martha C. Ajca accepts 2 plans from 2 insurers, including Medicare, UMR.

Original Medicare (Accepts Assignment)government

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Quality & Safety

CMS quality performance and patient safety measures

97

Exceptional

CMS Quality Score · Out of 100

Dr. Ajca received an overall quality score of 96.5 out of 100 from the Centers for Medicare & Medicaid Services (CMS), reflecting exceptional performance across clinical quality, patient safety, and care coordination. This score places Dr. Ajca among the highest-performing physician assistants in Fontana, CA and nationwide. When searching for a top-rated physician assistant, a CMS quality score at this level indicates a strong commitment to evidence-based, high-quality patient care.

80.3

Clinical Quality

80.3/100

Measures the quality of care provided based on clinical outcomes and patient safety

100.0

Health IT Adoption

100.0/100

Measures adoption of electronic health records and patient access to health information

40.0

Care Improvement

40.0/40

Reflects participation in activities that improve clinical practice and patient engagement

Source: CMS Merit-based Incentive Payment System

Financial Transparency

Industry payment disclosures

Pharmaceutical and medical device companies disclosed $467 in payments to Martha C. Ajca in 2024, primarily from Amgen Inc. for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.

Top Paying Companies

Amgen Inc.$220
Phathom Pharmaceuticals, Inc.$125
AstraZeneca Pharmaceuticals LP$122
Food and Beverage: $467

Source: CMS Open Payments, 2024.

Patient Reviews

Reviews and ratings from patients

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About Physician Assistant

Specialty overview and common conditions

A Physician Assistant (PA) is a licensed medical professional who practices medicine as part of a healthcare team. PAs diagnose illnesses, develop and manage treatment plans, prescribe medications, perform procedures, assist in surgery, and provide comprehensive patient care across all medical speci...

Common conditions treated by physician assistant specialists:

  • Diabetes Management
  • Hypertension (High Blood Pressure)
  • Musculoskeletal Injuries
  • Respiratory Infections
Learn more about physician assistant specialists

Frequently Asked Questions

Common questions about Martha C. Ajca

Does Ajca accept Medicare?

Yes, Ajca accepts Medicare assignment. Patients with Medicare coverage can see Ajca and typically pay less out of pocket when using a provider who accepts Medicare assignment.

What insurance does Ajca accept?

Ajca is in-network with 2 insurance providers, including Medicare, UMR. Insurance networks can change, so patients should verify their specific plan coverage directly with Ajca's office before scheduling.

Does Ajca offer telehealth or virtual appointments?

Yes, Ajca offers telehealth services, allowing patients to have virtual consultations from the comfort of their home. Contact the office to schedule a telehealth appointment.

What conditions does Ajca treat?

As a physician assistant specialist, Ajca commonly treats conditions including diabetes management, hypertension (high blood pressure), musculoskeletal injuries, respiratory infections, wound care and lacerations, and other related health concerns. Contact the office to discuss your specific healthcare needs.

What medications does Ajca commonly prescribe?

Based on Medicare prescribing data, Ajca commonly prescribes medications including Atorvastatin Calcium, Metformin Hcl, Levothyroxine Sodium. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Ajca during their consultation.

What is Ajca's quality rating?

Ajca has received an outstanding quality score of 96.5 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.

Where did Ajca go to medical school?

Ajca completed medical training at Other and has been practicing since 2013, bringing over 13 years of clinical experience.

Where is Ajca's office located?

Ajca practices at 17051 SIERRA LAKES PKWY, Fontana, CA 92336 at DIGNITY HEALTH MEDICAL FOUNDATION. You can reach the office by calling (909) 428-2040.

How do I make an appointment with Ajca?

To schedule an appointment with Ajca, call the office at (909) 428-2040. New patients should have their insurance information and medical records ready when calling.

Data source: CMS National Provider Registry ·

Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards

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