Zafar Siddiqui, MD
NPI 1134189624 · Anesthesiology Physician · Westborough, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zafar Siddiqui, MD is a Anesthesiology Physician provider in Westborough, MA (NPI 1134189624).
Provider details
- NPI number
- 1134189624
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 219575 (MA)
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
20 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Zafar Siddiqui's NPI number?
- Zafar Siddiqui's National Provider Identifier (NPI) is 1134189624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zafar Siddiqui's specialty?
- Zafar Siddiqui is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Zafar Siddiqui located?
- Zafar Siddiqui's practice location on file with NPPES is 21 Thomas Newton Dr, Westborough, MA 01581-1753.
- What is Zafar Siddiqui's phone number?
- The practice phone number listed in the NPPES registry for Zafar Siddiqui is (508) 366-5012.
- Does Zafar Siddiqui accept Medicare?
- Zafar Siddiqui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zafar Siddiqui's NPI active?
- Yes — Zafar Siddiqui's NPI (1134189624) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.