Doctor profile · Federal record

Dr. Harry Ahn, MD

Family Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Hospitalist Physician · Glendale, CA

  • NPI 1730492000
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1812 Verdugo Blvd
Glendale, CA 912081407
(818) 790-7100
Additional location
1515 E Ocean Ave
Lompoc, CA 934367092
(805) 737-3300
Mailing address
Po Box 1264
La Canada, CA 910125264

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
June 8, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A121353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730492000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
377
Distinct HCPCS
6
Medicare allowed
$46,263
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 148 145 $175
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 88 84 $8
99284 Emergency department visit with moderate level of medical decision making 64 61 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 34 34 $180
99497 Advance care planning, first 30 minutes 24 24 $79
99291 Critical care, first 30-74 minutes 19 19 $216

In context: peer comparison

Among 37 peers in this city , average services per provider: 218. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$38
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 12 $38

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Ahn's medical specialty?
Dr. Harry Ahn practices Family Medicine Physician in Glendale, CA.
Where does Dr. Harry Ahn practice?
Dr. Harry Ahn practices at 1812 Verdugo Blvd, Glendale, CA 912081407. Office phone: 8187907100.
What is Dr. Harry Ahn's NPI?
Dr. Harry Ahn's National Provider Identifier (NPI) is 1730492000, issued by NPPES.
Does Dr. Harry Ahn accept Medicare assignment?
Yes. Dr. Harry Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Ahn commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.