Sinan Alshahwany, M.D.
NPI 1801997440 · Internal Medicine Physician · Brentwood, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sinan Alshahwany, M.D. is a Internal Medicine Physician provider in Brentwood, CA (NPI 1801997440).
Provider details
- NPI number
- 1801997440
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A96392 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,079 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 600 | $110 |
| Urinalysis, Manual Test81002 | 91 | $3 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 87 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 80 | $134 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 60 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 125 | 121 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 90 | 87 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 75 | 74 |
| Molnupiravirbrand: Lagevrio (eua) | 48 | 47 |
| Azithromycin | 47 | 46 |
| Cephalexin | 46 | 44 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2012-06-17
Frequently asked questions
- What is Sinan Alshahwany's NPI number?
- Sinan Alshahwany's National Provider Identifier (NPI) is 1801997440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sinan Alshahwany's specialty?
- Sinan Alshahwany is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sinan Alshahwany located?
- Sinan Alshahwany's practice location on file with NPPES is 2400 Balfour Rd, Brentwood, CA 94513-4945.
- What is Sinan Alshahwany's phone number?
- The practice phone number listed in the NPPES registry for Sinan Alshahwany is (925) 308-8112.
- Does Sinan Alshahwany accept Medicare?
- Sinan Alshahwany is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sinan Alshahwany's NPI active?
- Yes — Sinan Alshahwany's NPI (1801997440) is active in the NPPES registry as of the last update on 2012-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.