SHERIN K SHIRAZI (M.D.) – Surgical Oncology Physician, NPI 1659438984
Surgical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
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Provider Addresses for SHERIN K SHIRAZI (M.D.)
PO BOX 80157
PASADENA, CA 911188157
Phone: (626) 768-4415
Fax: (626) 403-0321
Type: Mailing
35 E GLENARM ST
PASADENA, CA 911053418
Phone: (626) 768-4415
Fax: (626) 403-0321
Type: Mailing
1044, South Fair Oaks Avenue, Pasadena, Los Angeles County, California, 91105, United States
SUITE 101
PASADENA, CA 911052622
Phone: (626) 795-9023
Fax: (626) 797-1731
Type: Location
950 S ARROYO PKWY STE 310
PASADENA, CA 911053930
Phone: (626) 795-9023
Fax: (626) 797-1731
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $1,900.
Total Amount is formed as General ($1,900) + Research ($0) + Ownership ($0) = $1,900.
Last reported payment date: 2024-06-03 • Largest payer in this snapshot: Integra LifeSciences Corporation ($1,351).
Total Amount
$1,900
General + Research + Ownership
Payments
4
Total payment records
General Amount
$1,900
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Integra LifeSciences Corporation | $1,351 |
| Intuitive Surgical, Inc. | $548 |
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: 2004-03-18
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 |
|---|---|---|---|---|
| I20040318000606 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 18 | 11 | $0 |
Insurance plans in this area (ZIP 91118)
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