ZHEN FAN (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1417020397
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
434 PATHOLOGY in MD
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Provider Addresses for ZHEN FAN (M.D.)
University of Maryland St. Joseph Medical Center, 7601, Osler Drive, Rodgers Forge, Towson, Baltimore County, Maryland, 21204, United States
TOWSON, MD 212047700
Phone: (410) 337-1000
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 $179.
Total Amount is formed as General ($179) + Research ($0) + Ownership ($0) = $179.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Genentech USA, Inc. ($139).
Total Amount
$179
General + Research + Ownership
Payments
3
Total payment records
General Amount
$179
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Genentech USA, Inc. | $139 |
| Medtronic, Inc. | $22 |
| Merck Sharp & Dohme LLC | $19 |
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: 2010-10-11
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 |
|---|---|---|---|---|
| I20101011000285 | I | Pathology | MD | 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 | 1,228 | 938 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 755 | 220 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 386 | 333 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 382 | 178 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 262 | 236 | $0 |
Insurance plans in this area (ZIP 21204)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pathology, Hematology | CA | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | NY | |
| P A T H O L O G Y | UT | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | MD | |
| P A T H O L O G Y | PA |
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