DR. PATRICIA ANN AHEARN M.D.
NPI 1982655304
Internal Medicine in San Juan Capistrano, CA

Q: What is Patricia Ahearn's NPI number?

The NPI number for Patricia Ahearn is 1982655304. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Q: What is Patricia Ahearn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Patricia Ahearn was last updated on April 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 12, 2006PECOS EnrolledAccepts Medicare Assignment

30230 RANCHO VIEJO RD, SUITE 200, SAN JUAN CAPISTRANO, CA 92675(949) 443-4303(949) 443-4033 Get Directions Write a Review

NPPES record last updated: April 16, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Patricia Ann Ahearn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PATRICIA ANN AHEARN M.D. (NPI 1982655304) is an individual internal medicine provider in San Juan Capistrano, California, licensed in California (G54979) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1984).

NPPES Registry Identity

NPI1982655304

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. PATRICIA ANN AHEARNCredential: M.D.

Location Address30230 RANCHO VIEJO RD, SUITE 200San Juan Capistrano, CA 92675-1557

Mailing AddressPo Box 7087Orange, CA 92863-7087 · (714) 571-5000 · Fax (714) 571-5055

Phone(949) 443-4303

Fax(949) 443-4033

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1984

Enumeration DateMay 12, 2006

Last NPPES UpdateApril 16, 2013

✔ NPI 1982655304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G54979

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedSpecialistTaxonomy 174400000X · License G54979 (CA)

30230 RANCHO VIEJO RD, San Juan Capistrano, CA 92675

Open in Google Maps ↗

Other Identifiers 2

Medicare UPINA52840CA

Medicare PINWG54979GCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Patricia Ann Ahearn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193821916

PECOS Enrollment IDI20070510000398

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Patricia Ahearn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Paloma Medical Group Inc

Same address

Specialist

30230 RANCHO VIEJO RD, SUITE 200
San Juan Capistrano, CA 92675

Reassigned Medicare billing, California enrollment
22 clinicians in this Medicare group

NPI 1346331725 (949) 443-4303

Gapcare PC

22 mi

Internal Medicine

2141 W ORANGEWOOD AVE
Orange, CA 92868

Reassigned Medicare billing, California enrollment
7 clinicians in this Medicare group

NPI 1548010184 (949) 433-4426

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

158 services87 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

150 services74 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

86 services47 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

60 services53 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

54 services18 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

52 services52 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

29 services13 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

28 services28 patients

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487

Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.

26 services14 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

18 services17 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

15 services15 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

15 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

14 services11 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

13 services12 patients

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92675 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers16 claims26 services$5.18 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

9 suppliers20 claims20 services$33.92 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers15 claims15 services$73.47 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

4 suppliers14 claims40 services$28.50 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

9 suppliers21 claims21 services$53.37 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

8 suppliers24 claims24 services$17.20 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PACIFIC PRIVATE PRACTICE NETWORK INC

Internal Medicine (Pulmonary Disease)

30230 RANCHO VIEJO RD, SUITE 110
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 441-5681

DR. MICHAEL ANTHONY ROVZAR M.D.

Internal Medicine (Pulmonary Disease)

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 443-4303

DR. BEVERLY R HENDRICKSON MD

Pediatrics

30230 RANCHO VIEJO RD, SUITE A
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 493-7337

PALOMA MEDICAL GROUP INC

Specialist

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 443-4303

DR. WILLIAM WEIMING CHANG D.O.

Internal Medicine (Pulmonary Disease)

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (714) 571-5000

RAHUL MADHAV KALE MD

Internal Medicine (Pulmonary Disease)

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 443-4303

WILLIAM GUSTIN MD

Hospitalist

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 443-4303

KAREN JEAN CARUSO MSN, RN, FNP-BC

Nurse Practitioner (Family)

30230 RANCHO VIEJO RD, SUITE 200
SAN JUAN CAPISTRANO, CA 92675

Orange County (949) 443-4303

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patricia Ahearn's NPI number?

The NPI number for Patricia Ahearn is 1982655304. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Patricia Ahearn located?

Patricia Ahearn practices at 30230 Rancho Viejo Rd Suite 200, San Juan Capistrano, CA 92675. The listed phone number is (949) 443-4303.

What is Patricia Ahearn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Patricia Ahearn enrolled in Medicare?

Yes. Patricia Ahearn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Patricia Ahearn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Ahearn reassigns Medicare benefits to 2 organizations: Paloma Medical Group Inc (San Juan Capistrano, CA) and Gapcare PC (Orange, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patricia Ahearn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Patricia Ahearn was last updated on April 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.