Grant Welmers, NP
NPI 1487170122 · Primary Care Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Welmers, NP is a Primary Care Nurse Practitioner provider in Ann Arbor, MI (NPI 1487170122).
Provider details
- NPI number
- 1487170122
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 4704271979 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
8 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 70 | 27 |
| Atorvastatin Calcium | 57 | 21 |
| Levothyroxine Sodium | 47 | 21 |
| Simvastatin | 46 | 21 |
| Amlodipine Besylate | 37 | 19 |
| Metoprolol Succinate | 31 | — |
| Omeprazole | 28 |
Practice location
Mailing address
Additional practice locations (1)
- 15160 Levan RdLivonia, MI 48154-5027Phone: (734) 462-0090Fax: (313) 383-6078
Registry dates
- Enumerated
- 2017-08-15
- Last updated
- 2025-10-13
- Certified
- 2025-10-13
Frequently asked questions
- What is Grant Welmers's NPI number?
- Grant Welmers's National Provider Identifier (NPI) is 1487170122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Welmers's specialty?
- Grant Welmers is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Grant Welmers located?
- Grant Welmers's practice location on file with NPPES is 1801 Briarwood Cir, Ann Arbor, MI 48108-3347.
- What is Grant Welmers's phone number?
- The practice phone number listed in the NPPES registry for Grant Welmers is (734) 998-7167.
- Does Grant Welmers accept Medicare?
- Grant Welmers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Welmers's NPI active?
- Yes — Grant Welmers's NPI (1487170122) is active in the NPPES registry as of the last update on 2025-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.