Doctor profile · Federal record

Dr. Martin Ahn, M.D.

Family Medicine Physician (CMS: Family Practice) · Buena Park, CA

  • NPI 1649342171
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6301 Beach Blvd, Suite 109
Buena Park, CA 90621
(714) 525-9900
fax (714) 880-3180

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 20, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A85576
Medicaid
CA #GR0099930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649342171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,267
Distinct HCPCS
10
Medicare allowed
$206,456
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 903 250 $118
96372 Injection of drug or substance under skin or into muscle 482 122 $15
36415 Insertion of needle into vein for collection of blood sample 372 212 $8
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 371 117 $2
81003 Automated urinalysis test 247 187 $2
82570 Creatinine level to test for kidney function or muscle injury 228 182 $5
99442 Telephone medical discussion with physician, 11-20 minutes 227 123 $59
82044 Urine microalbumin (protein) analysis 208 175 $6
J1100 Injection, dexamethasone sodium phosphate, 1 mg 116 11 $0
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 110 110 $33

In context: peer comparison

Among 4 peers in this city , average services per provider: 120. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,515
Transactions
73
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 12 $304.96
Lilly USA, LLC 12 $213.29
Amgen Inc. 9 $211.77
ABBVIE INC. 13 $184.26
Bayer Healthcare Pharmaceuticals Inc. 4 $91.51
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $91.45
GlaxoSmithKline, LLC. 3 $82.08
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $58.36
Corcept Therapeutics 2 $51.59
Novo Nordisk Inc 3 $45.35
Merck Sharp & Dohme LLC 3 $43.27
Exact Sciences Corporation 2 $42.68
Hologic Sales and Service, LLC 1 $25.02
Ardelyx, Inc. 1 $24.17
Sumitomo Pharma America, Inc. 1 $15.77

By nature of payment

Food and Beverage
$1,515

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,701
Patients
1,023
Total drug cost
$229,433
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 573 155 $6,494
Atorvastatin Calcium Generic 524 150 $9,152
Rosuvastatin Calcium Generic 438 127 $13,613
Metformin Hcl Generic 391 110 $4,016
Vascepa (Icosapent Ethyl) Brand 242 52 $166,314
Simvastatin Generic 225 64 $3,072
Famotidine Generic 163 54 $2,702
Omeprazole Generic 155 43 $2,199
Losartan Potassium Generic 147 43 $2,117
Irbesartan Generic 144 39 $4,503

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Ahn's medical specialty?
Dr. Martin Ahn practices Family Medicine Physician in Buena Park, CA.
Where does Dr. Martin Ahn practice?
Dr. Martin Ahn practices at 6301 Beach Blvd, Buena Park, CA 90621. Office phone: 7145259900.
What is Dr. Martin Ahn's NPI?
Dr. Martin Ahn's National Provider Identifier (NPI) is 1649342171, issued by NPPES.
Does Dr. Martin Ahn accept Medicare assignment?
Yes. Dr. Martin Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin Ahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.