DR. SINAN N. ALSHAHWANY (M.D.) – Internal Medicine Physician, NPI 1801997440
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. SINAN N. ALSHAHWANY (M.D.)
San Francisco, Province of Ambo, Huánuco, Peru
P.O. BOX 39000
SAN FRANCISCO, CA 941390001
Phone: (925) 952-2828
Fax: (925) 952-2850
Type: Mailing
Balfour Road, Brentwood, Contra Costa County, California, 94513, United States
SUITE 120
BRENTWOOD, CA 945134945
Phone: (925) 308-8112
Fax: (925) 308-8710
Type: Location
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: 2006-11-06
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 |
|---|---|---|---|---|
| I20061106000296 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 492 | 448 | $0 |
| 81002 | Urinalysis, manual test | 85 | 81 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 79 | 79 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 64 | 63 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 58 | 57 | $0 |
Insurance plans in this area (ZIP 94139)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pediatric Medicine | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| U R O L O G Y | CA | |
| Internal Medicine, Hospitalist | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Hospice/Palliative Care, Internal Medicine | CA | |
| Physician Assistant | CA |
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