HAMID R. RASSAI – Surgery Physician, NPI 1013013218
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
Provider Addresses for HAMID R. RASSAI
365 LENNON LN STE 250
WALNUT CREEK, CA 945985915
Phone: (925) 627-3494
Fax: (925) 627-1592
Type: Mailing
2222 East St Ste 300
Concord, CA 945202066
Phone: (925) 682-7730
Type: Location
2350 COUNTRY HILLS DR STE A
ANTIOCH, CA 945097436
Phone: (925) 757-0800
Fax: (925) 757-2160
Type: Mailing
Lone Tree Way, Antioch, Contra Costa County, California, 94509, United States
ANTIOCH, CA 945096249
Phone: (925) 757-0800
Fax: (925) 757-2160
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $294.
Total Amount is formed as General ($294) + Research ($0) + Ownership ($0) = $294.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Smith+Nephew, Inc. ($122).
Total Amount
$294
General + Research + Ownership
Payments
13
Total payment records
General Amount
$294
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $122 |
| MIMEDX Group, Inc. | $90 |
| TELA Bio, Inc. | $35 |
| Becton, Dickinson and Company | $27 |
| Organogenesis Inc. | $21 |
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: 2007-05-30
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 |
|---|---|---|---|---|
| I20070530000307 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 386 | 118 | $0 |
| 11042 | Removal of skin and tissue, 20.0 sq cm or less | 263 | 40 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 117 | 108 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 116 | 57 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 103 | 102 | $0 |
Insurance plans in this area (ZIP 94598)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | CA | 11042 | Removal of skin and tissue first 20 sq cm or less | 212 | 53 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| General Surgery | CA | |
| N E U R O S U R G E R Y | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| P O D I A T R Y | CA | |
| - | CA | |
| E N D O C R I N O L O G Y | KS | |
| Qualified Audiologist | CA |
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