RICHARD J HAHN (M.D.) – Surgery Physician, NPI 1508927997
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
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Provider Addresses for RICHARD J HAHN (M.D.)
15th Street, Lancaster Methodist Episcopal Camp Ground Historic District, Lancaster, Greenfield Township, Fairfield County, Ohio, 43130, United States
SUITE 203
LANCASTER, CA 935344014
Phone: (661) 948-0062
Fax: (661) 949-5787
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $187.
Total Amount is formed as General ($187) + Research ($0) + Ownership ($0) = $187.
Last reported payment date: 2024-09-17 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($125).
Total Amount
$187
General + Research + Ownership
Payments
3
Total payment records
General Amount
$187
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $125 |
| ABBVIE INC. | $62 |
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: 2008-04-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20080423000555 | I | General Surgery | CA | 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 |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 20 | 16 | $0 |
Insurance plans in this area (ZIP 93534)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine, Allergy/Immunology | CA | |
| Nurse Practitioner | CA | |
| Family Practice | CA | |
| Nurse Practitioner | CA |
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