Zack Nigogosyan, MD
NPI 1649822289 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zack Nigogosyan, MD is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1649822289).
Provider details
- NPI number
- 1649822289
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2025002605 (MO)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-14
- Last updated
- 2025-07-15
Frequently asked questions
- What is Zack Nigogosyan's NPI number?
- Zack Nigogosyan's National Provider Identifier (NPI) is 1649822289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zack Nigogosyan's specialty?
- Zack Nigogosyan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Zack Nigogosyan located?
- Zack Nigogosyan's practice location on file with NPPES is 510 S Kingshighway Blvd, Saint Louis, MO 63110-1016.
- What is Zack Nigogosyan's phone number?
- The practice phone number listed in the NPPES registry for Zack Nigogosyan is (314) 362-7200.
- Does Zack Nigogosyan accept Medicare?
- Zack Nigogosyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zack Nigogosyan's NPI active?
- Yes — Zack Nigogosyan's NPI (1649822289) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.