DARIUSH SAHMEDINI (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1790771830
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,584 PATHOLOGY in CA
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Provider Addresses for DARIUSH SAHMEDINI (M.D.)
Chatsworth Post Office, Devonshire Street, Chatsworth Neighborhood Council District, Los Angeles, Los Angeles County, California, 91311, United States
CHATSWORTH, CA 913132311
Phone: (818) 718-9500
Fax: (818) 718-9507
Type: Mailing
1720, East Cesar E Chavez Avenue, Boyle Heights, Los Angeles, Los Angeles County, California, 90033, United States
LOS ANGELES, CA 900332414
Phone: (323) 268-5000
Fax: (323) 265-5086
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $41.
Total Amount is formed as General ($41) + Research ($0) + Ownership ($0) = $41.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($21).
Total Amount
$41
General + Research + Ownership
Payments
2
Total payment records
General Amount
$41
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $21 |
| Abbott Laboratories | $20 |
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: 2004-05-21
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 |
|---|---|---|---|---|
| I20040521001348 | I | Pathology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 709 | 304 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 199 | 163 | $0 |
| 88331 | Pathology examination of specimen during surgery, first tissue block | 160 | 45 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 115 | 38 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 63 | 55 | $0 |
Insurance plans in this area (ZIP 91313)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | CA | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 26 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | OH | |
| P A T H O L O G Y | ME |
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