AAMIR AHSAN (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1386832640
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,586 PATHOLOGY in CA
Provider Addresses for AAMIR AHSAN (MD)
FILE 1440
PASADENA, CA 911991440
Phone: (858) 939-3660
Fax: (858) 939-3647
Type: Mailing
9295 FARNHAM ST STE 100
SAN DIEGO, CA 921231254
Phone: (858) 939-3660
Fax: (858) 939-3647
Type: Location
9460 S SAGINAW RD STE D
GRAND BLANC, MI 484398207
Phone: (810) 733-7741
Fax: (810) 733-8898
Type: Mailing
3490 CALKINS RD
FLINT, MI 485323506
Phone: (810) 733-7741
Fax: (810) 733-8898
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-03-31
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040204000238 | I | Pathology | CA | TBD |
| I20071121000218 | I | Pathology | MI | TBD |
| I20210331000234 | I | Pathology | FL | 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 | 670 | 453 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 165 | 42 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 140 | 105 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 126 | 80 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 64 | 60 | $0 |
Insurance plans in this area (ZIP 91199)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | MI | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 165 | 107 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| P A T H O L O G Y | CA | |
| - | NC | |
| P A T H O L O G Y | CA | |
| - | MO | |
| - | CA | |
| P A T H O L O G Y | CA | |
| Dermatology, Pathology | CA | |
| - | CA | |
| P A T H O L O G Y | MS |
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