GEOFFREY KENNETH HAHM (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1871543942
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
749 PATHOLOGY in OH
Provider Addresses for GEOFFREY KENNETH HAHM (M.D.)
75 Sylvania Dr
Dayton, OH 454403237
Phone: (937) 320-5050
Type: Location
3535 SOUTHERN BLVD
KETTERING, OH 454291221
Phone: (937) 395-8849
Fax: (937) 395-8350
Type: Mailing
Kettering Medical Center, 3535, Southern Boulevard, Kettering, Montgomery County, Ohio, 45429, United States
KETTERING, OH 45429
Phone: (937) 395-8849
Fax: (937) 395-8350
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 $15.
Total Amount is formed as General ($15) + Research ($0) + Ownership ($0) = $15.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($15).
Total Amount
$15
General + Research + Ownership
Payments
1
Total payment records
General Amount
$15
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $15 |
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: 2004-04-23
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 |
|---|---|---|---|---|
| I20040423000512 | I | Pathology | OH | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 2,252 | 1,295 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 431 | 95 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 374 | 323 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 157 | 151 | $0 |
| 84165 | Protein measurement, serum | 152 | 140 | $0 |
Insurance plans in this area (ZIP 45440)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | OH | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 180 | 117 |
| PATHOLOGY | OH | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 185 | 165 |
| PATHOLOGY | OH | 88342 | Tissue or cell analysis by immunologic technique | 224 | 200 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | ND | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | OH |
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