Stephen Welk, M.D.
NPI 1912154097 · Family Medicine Physician · Holland, NY
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Welk, M.D. is a Family Medicine Physician provider in Holland, NY (NPI 1912154097).
Provider details
- NPI number
- 1912154097
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 116386 (NY)
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
17 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
- 2008-08-20
- Last updated
- 2008-08-20
Frequently asked questions
- What is Stephen Welk's NPI number?
- Stephen Welk's National Provider Identifier (NPI) is 1912154097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Welk's specialty?
- Stephen Welk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Welk located?
- Stephen Welk's practice location on file with NPPES is 11829 Matteson Corners Rd, Holland, NY 14080-9639.
- What is Stephen Welk's phone number?
- The practice phone number listed in the NPPES registry for Stephen Welk is (716) 496-7440.
- Does Stephen Welk accept Medicare?
- Stephen Welk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Welk's NPI active?
- Yes — Stephen Welk's NPI (1912154097) is active in the NPPES registry as of the last update on 2008-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.