Naiab Naser Chowdhury, MD
NPI 1558985234 · Family Medicine Physician · Vacaville, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naiab Naser Chowdhury, MD is a Family Medicine Physician provider in Vacaville, CA (NPI 1558985234).
Provider details
- NPI number
- 1558985234
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 187917 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 139 | 60 |
| Losartan Potassium | 102 | 42 |
| Amlodipine Besylate | 85 | 42 |
| Levothyroxine Sodium | 79 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 77 | 48 |
| Lisinopril | 55 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-29
- Last updated
- 2023-08-03
- Certified
- 2023-08-02
Frequently asked questions
- What is Naiab Naser Chowdhury's NPI number?
- Naiab Naser Chowdhury's National Provider Identifier (NPI) is 1558985234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naiab Naser Chowdhury's specialty?
- Naiab Naser Chowdhury is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Naiab Naser Chowdhury located?
- Naiab Naser Chowdhury's practice location on file with NPPES is 1 Quality Dr, Vacaville, CA 95688-9494.
- What is Naiab Naser Chowdhury's phone number?
- The practice phone number listed in the NPPES registry for Naiab Naser Chowdhury is (707) 624-4000.
- Does Naiab Naser Chowdhury accept Medicare?
- Naiab Naser Chowdhury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naiab Naser Chowdhury's NPI active?
- Yes — Naiab Naser Chowdhury's NPI (1558985234) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.