NPPES file of Aug 9, 2026

Grant Jonathon Welmers, NP

Primary Care Nurse Practitioner · Ann Arbor, MI

Grant Jonathon Welmers, NP is a primary care nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1487170122, issued on Aug 15, 2017. Check the license (Michigan 4704271979, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487170122
Name
Grant Jonathon Welmers
Credential
NP
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
4704271979 MI
Self-reported in NPPES; status is on the state search
Practice location
1801 Briarwood Cir, Ann Arbor, MI 48108
Phone
(734) 998-7167
Enumerated
Aug 15, 2017
Record last updated
Oct 13, 2025
Medicare enrollment
Enrolled (PECOS I20180109002859); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1801 Briarwood Cir

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Aikens, PHDClinical Psychologist1699852202
  2. Alexander Athens, DOFamily Medicine Physician1699410126
  3. Ricardo Bartelme, MDFamily Medicine Physician1174611669
  4. Catherine Bettcher, MDFamily Medicine Physician1154419646
  5. Jessica Bible, MSWClinical Social Worker1063831196
  6. Denise Campbell-Scherer, MDFamily Medicine Physician1760570253

Verify Grant Jonathon Welmers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704271979
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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29% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024

1,059 Medicare Part D claims for 274 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.

  1. Grant Welmers1,059
  2. Specialty average1,492

Most prescribed

  1. Lisinopril70 claims
  2. Atorvastatin Calcium57 claims
  3. Levothyroxine Sodium47 claims
  4. Simvastatin46 claims
  5. Amlodipine Besylate37 claims
  6. Metoprolol Succinate31 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grant Jonathon Welmers among 426 primary care nurse practitioner records in Michigan

Grant Jonathon Welmers, NP is one of 426 primary care nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 38% of them.

  • NPI issued2017 · 38% of these records are older, 55% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2017 · median 2018 among the 235 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Primary Care Nurse Practitioner providers in Michigan

There are 426 primary care nurse practitioner records in Michigan.

The 8 primary care nurse practitioner records with the nearest ZIP codes

  1. Ashley Zimmerman, MSN, AGPCNP-BCAnn Arbor, MI 481081700412582
  2. Linda Baty, NPAnn Arbor, MI 481091386011989
  3. Cheryl Bord, NPAnn Arbor, MI 481091912060377
  4. Kari Castillo, NPAnn Arbor, MI 481091083928956
  5. Robin JacksonAnn Arbor, MI 481091174443808
  6. Hua Jiang, NPAnn Arbor, MI 481091457891459
  7. Laura Kaufman, NPAnn Arbor, MI 481091114087061
  8. Erin Lindstrom, N.P.Ann Arbor, MI 481091356474357

Common questions

What is Grant Jonathon Welmers, NP's NPI number?

Grant Jonathon Welmers, NP's National Provider Identifier (NPI) is 1487170122, issued on Aug 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Grant Jonathon Welmers, NP located?

The NPPES record lists a practice address at 1801 Briarwood Cir, Ann Arbor, MI, 48108. Phone: (734) 998-7167. Providers update this record themselves, so call before visiting.

How can I verify Grant Jonathon Welmers, NP's license?

NPPES lists Michigan license number 4704271979, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Grant Jonathon Welmers, NP prescribe under Medicare Part D?

In 2024, Grant Jonathon Welmers, NP had 1,059 Medicare Part D claims for 274 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.