Stephen Niemiec, M.D.
NPI 1699128504 · Surgery Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Niemiec, M.D. is a Surgery Physician provider in Tucson, AZ (NPI 1699128504).
Provider details
- NPI number
- 1699128504
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 76601 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 535 N Wilmot Rd Ste 101Tucson, AZ 85711-2683Phone: (520) 694-5437Fax: (520) 874-2475
Registry dates
- Enumerated
- 2016-07-15
- Last updated
- 2025-11-07
- Certified
- 2025-11-07
Frequently asked questions
- What is Stephen Niemiec's NPI number?
- Stephen Niemiec's National Provider Identifier (NPI) is 1699128504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Niemiec's specialty?
- Stephen Niemiec is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Niemiec located?
- Stephen Niemiec's practice location on file with NPPES is 1625 N Campbell Ave, Tucson, AZ 85719-4330.
- What is Stephen Niemiec's phone number?
- The practice phone number listed in the NPPES registry for Stephen Niemiec is (520) 694-5437.
- Does Stephen Niemiec accept Medicare?
- Stephen Niemiec is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Niemiec's NPI active?
- Yes — Stephen Niemiec's NPI (1699128504) is active in the NPPES registry as of the last update on 2025-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.