DR. HARRY H. AHN (MD) – Family Medicine Physician, NPI 1730492000
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
Provider Addresses for DR. HARRY H. AHN (MD)
PO BOX 1264
LA CANADA, CA 910125264
Phone: (805) 946-0430
Type: Mailing
1812 VERDUGO BLVD
GLENDALE, CA 912081407
Phone: (818) 790-7100
Type: Location
1515 E Ocean Ave
Lompoc, CA 934367092
Phone: (805) 737-3300
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $17.
Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.
Last reported payment date: 2023-01-10 • Largest payer in this snapshot: Boston Scientific Corporation ($17).
Total Amount
$17
General + Research + Ownership
Payments
1
Total payment records
General Amount
$17
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $17 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-10-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140612000345 | I | Family Practice | TX | TBD |
| I20141030002673 | I | Family Practice | CA | TBD |
| I20221021000982 | I | Emergency Medicine | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 148 | 145 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 88 | 84 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 64 | 61 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 34 | 34 | $0 |
| 99497 | Advance care planning, first 30 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 91012)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 23 | 23 |
| FAMILY MEDICINE | CA | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 39 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA | |
| Emergency Medicine | NY | |
| Emergency Medicine, Hospitalist | PA | |
| - | PA | |
| Internal Medicine, Emergency Medicine | PA | |
| Emergency Medicine | PR | |
| Nurse Practitioner | PA | |
| Internal Medicine, Emergency Medicine | PA | |
| Nurse Practitioner | PA | |
| - | VA |
Reviews
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