DR. HARRY H. AHN MD
NPI 1730492000
Family Medicine in Glendale, CA
About Dr. Harry H. Ahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARRY H. AHN MD (NPI 1730492000) is an individual family medicine provider in Glendale, California, licensed in California (A121353) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Regional Hospital Of Scranton, and maintains a secondary practice location in Lompoc.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Harry H. Ahn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Harry Ahn reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, CA 91208
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Sherman Oaks, CA 91423
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Lompoc, CA 93436
- Reassigned Medicare billing, California enrollment
- 54 clinicians in this Medicare group
Cibecue, AZ 85911
- Reassigned Medicare billing, Texas enrollment
- 214 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 clinicians in this Medicare group
Wilkes Barre, PA 18764
- Reassigned Medicare billing, Pennsylvania enrollment
- 111 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Regional Hospital Of Scranton
Acute Care Hospitals · Scranton, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91208 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLENDALE, CA 91208
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Harry Ahn's NPI number?
The NPI number for Harry Ahn is 1730492000. It was assigned to this individual provider in the NPPES registry on July 15, 2010.
Where is Harry Ahn located?
Harry Ahn practices at 1812 Verdugo Blvd, Glendale, CA 91208. The listed phone number is (818) 790-7100.
What is Harry Ahn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Harry Ahn enrolled in Medicare?
Yes. Harry Ahn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Harry Ahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harry Ahn reassigns Medicare benefits to 8 organizations: Concord Hospitalist Group A Medical Corporation (Glendale, CA), Mend Health Inc (Sherman Oaks, CA), Pacifica Emergency Medical Associates (Encino, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), Santa Ynez River Physicians, PC (Lompoc, CA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Harry Ahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Harry Ahn affiliated with any hospitals?
According to CMS data, Harry Ahn is affiliated with Regional Hospital Of Scranton.
When was this NPI record last updated?
The NPPES record for Harry Ahn was last updated on June 8, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Harry H. Ahn, MD · NPI 1730492000
Family Medicine physician in Glendale, California. Individual provider, active in the CMS NPPES registry since July 15, 2010.
## Identity
- **NPI:** 1730492000 (Entity type: Individual)
- **Enumerated:** July 15, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A121353 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1812 VERDUGO BLVD, Glendale, CA 91208
- **Phone:** (818) 790-7100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Concord Hospitalist Group A Medical Corporation (NPI 1972036309, Glendale, CA); Mend Health Inc (NPI 1467849745, Sherman Oaks, CA); Pacifica Emergency Medical Associates (NPI 1053350975, Encino, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); Santa Ynez River Physicians, PC (NPI 1396210597, Lompoc, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** June 8, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1730492000) · Data from the CMS NPPES public registry.