Patricia Ahearn, M.D.
NPI 1982655304 · Internal Medicine Physician · San Juan Capistrano, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Ahearn, M.D. is a Internal Medicine Physician provider in San Juan Capistrano, CA (NPI 1982655304).
Provider details
- NPI number
- 1982655304
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G54979 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
714 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 158 | $137 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 150 | $194 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 86 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $97 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 54 | $46 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 297 | 82 |
| Amlodipine Besylate | 236 | 61 |
| Rosuvastatin Calcium | 215 | 73 |
| Atorvastatin Calcium | 155 | 42 |
| Gabapentin | 135 | 41 |
| Lorazepam | 120 | 30 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$990 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2013-04-16
Frequently asked questions
- What is Patricia Ahearn's NPI number?
- Patricia Ahearn's National Provider Identifier (NPI) is 1982655304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Ahearn's specialty?
- Patricia Ahearn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patricia Ahearn located?
- Patricia Ahearn's practice location on file with NPPES is 30230 Rancho Viejo Rd, San Juan Capistrano, CA 92675-1557.
- What is Patricia Ahearn's phone number?
- The practice phone number listed in the NPPES registry for Patricia Ahearn is (949) 443-4303.
- Does Patricia Ahearn accept Medicare?
- Patricia Ahearn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Ahearn's NPI active?
- Yes — Patricia Ahearn's NPI (1982655304) is active in the NPPES registry as of the last update on 2013-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.