Diane Welker, NP
NPI 1811009103 · Adult Health Nurse Practitioner · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Welker, NP is a Adult Health Nurse Practitioner provider in Grand Blanc, MI (NPI 1811009103).
Provider details
- NPI number
- 1811009103
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704147537 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-31
- Last updated
- 2007-09-20
Frequently asked questions
- What is Diane Welker's NPI number?
- Diane Welker's National Provider Identifier (NPI) is 1811009103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Welker's specialty?
- Diane Welker is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Welker located?
- Diane Welker's practice location on file with NPPES is 2605 Genesys Pkwy, Grand Blanc, MI 48439-8069.
- What is Diane Welker's phone number?
- The practice phone number listed in the NPPES registry for Diane Welker is (810) 606-7670.
- Does Diane Welker accept Medicare?
- Diane Welker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Welker's NPI active?
- Yes — Diane Welker's NPI (1811009103) is active in the NPPES registry as of the last update on 2007-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.