Doctor profile · Federal record

Dr. Patricia Ahearn, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Specialist · San Juan Capistrano, CA

  • NPI 1982655304
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30230 Rancho Viejo RD, Suite 200
San Juan Capistrano, CA 926751557
(949) 443-4303
fax (949) 443-4033
Mailing address
Po Box 7087
Orange, CA 928637087

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 16, 2013
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G54979

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982655304. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,164
Distinct HCPCS
10
Medicare allowed
$96,060
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 233 126 $138
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 197 25 $46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 124 124 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 116 86 $98
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 98 14 $53
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 84 23 $42
G0444 Annual depression screening, 5 to 15 minutes 76 76 $21
G0442 Annual alcohol misuse screening, 5 to 15 minutes 59 59 $21
99215 Established patient office or other outpatient visit, 40-54 minutes 43 33 $194
96372 Injection of drug or substance under skin or into muscle 33 17 $16

In context: peer comparison

Among 3 peers in San Juan Capistrano Internal Medicine Physician, average services per provider: 67. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$990
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 6 $164.74
GlaxoSmithKline, LLC. 13 $149.09
Merck Sharp & Dohme LLC 3 $77.43
Abbvie INC. 3 $74.15
Amgen INC. 2 $47.94
Abbott Laboratories 2 $41.23
Pfizer INC. 2 $37.59
United Therapeutics Corporation 1 $34.80
Novo Nordisk INC 2 $32.47
Idorsia Pharmaceuticals US INC 2 $30.38
Exact Sciences Corporation 1 $29.37
Pulmonx Corporation 1 $28.84
Axsome Therapeutics, INC. 1 $27.94
Mylan Specialty L.P. 1 $25.20
Vifor Pharma, INC. 1 $23.95

By nature of payment

Food and Beverage
$990

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,515
Patients
635
Total drug cost
$278,102
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 359 94 $6,555
Amlodipine Besylate Generic 259 64 $2,337
Rosuvastatin Calcium Generic 247 70 $5,194
Atorvastatin Calcium Generic 183 47 $2,841
Gabapentin Generic 172 47 $4,712
Lorazepam Generic 171 32 $1,335
Ozempic (Semaglutide) Brand 153 34 $228,571
Alprazolam Generic 143 36 $1,063
Metformin Hcl ER (Metformin Hcl) Brand 141 42 $2,399
Synthroid (Levothyroxine Sodium) Brand 139 34 $12,598

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia Ahearn's medical specialty?
Dr. Patricia Ahearn practices Internal Medicine Physician in San Juan Capistrano, CA.
Where does Dr. Patricia Ahearn practice?
Dr. Patricia Ahearn practices at 30230 Rancho Viejo RD, San Juan Capistrano, CA 926751557. Office phone: 9494434303.
What is Dr. Patricia Ahearn's NPI?
Dr. Patricia Ahearn's National Provider Identifier (NPI) is 1982655304, issued by NPPES.
Does Dr. Patricia Ahearn accept Medicare assignment?
Yes. Dr. Patricia Ahearn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Ahearn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.