Registry data as of Aug 27, 2026

Gail Grunkemeyer, NP

Acute Care Nurse Practitioner · Grosse Pointe Woods, MI

Gail Grunkemeyer, NP is an acute care nurse practitioner with a practice address in Grosse Pointe Woods, Michigan, and NPI 1336602671, issued on Apr 12, 2019. Check the license (Michigan 4704276376, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1336602671
Name
Gail Grunkemeyer
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
4704276376 MI
Self-reported in NPPES; status is on the state search
Practice location
19229 Mack Ave Ste 24, Grosse Pointe Woods, MI 48236
Phone
(313) 884-5522
Enumerated
Apr 12, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 19229 Mack Ave Ste 24

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

  1. Nour Aldaoud, MDStudent in an Organized Health Care Education/Training Program1578240271
  2. Laura Biernat, M.D.Medical Oncology Physician1659385300
  3. Carrie Dul, M.D.Hematology & Oncology Physician1003820648
  4. Hosam Hakim, M.DInternal Medicine Physician1619228483
  5. Ali Khalil, MDHematology & Oncology Physician1164172995
  6. Wajahat Khan, MDMedical Oncology Physician1144234782

Verify Gail Grunkemeyer 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 4704276376
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

37% more Medicare Part D claims than the average acute care nurse practitioner in 2024

854 Medicare Part D claims for 299 beneficiaries, against an average of 623 among the 12,256 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 262 claims were for opioids.

  1. Gail Grunkemeyer854
  2. Specialty average623

Most prescribed

  1. Hydrocodone-Acetaminophen95 claims
  2. Prochlorperazine Maleate69 claims
  3. Gabapentin55 claims
  4. Anastrozole52 claims
  5. Oxycodone-Acetaminophen48 claims
  6. Oxycodone Hcl39 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.

Industry payments in 2024: $1,239.20

18 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 10,240 providers of this specialty with any payment received $630.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gail Grunkemeyer$1,239.20
  2. Specialty average$630.57

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Henry Ford Health St. John HospitalGrosse Pointe Woods, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Acute Care Nurse Practitioner providers in Michigan

There are 820 acute care nurse practitioner records in Michigan.

Other acute care nurse practitioner records in Michigan

  1. Rebecca Aaron, NPGrand Blanc, MI1679834758
  2. Wafaa Abdallah, NURSE PRACTITIONERDearborn, MI1891200440
  3. Amearia AbdelrahmanTaylor, MI1700451952
  4. Aaron Achatz, FNP-CRoseville, MI1194580191
  5. Denisha AdamsAnn Arbor, MI1821731449
  6. Oluwabunmi AdeyemiLivonia, MI1154253730
  7. Mohammad Afzal, AGACNP-BCLivonia, MI1528653094
  8. Crystal AielloDetroit, MI1194473827
  9. Ashley Ajlouny, MSN, AGACNP-BCNovi, MI1629621248
  10. Zaineb Albachachy, NP-BCJackson, MI1578124632

Common questions

What is Gail Grunkemeyer, NP's NPI number?

Gail Grunkemeyer, NP's National Provider Identifier (NPI) is 1336602671, issued on Apr 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gail Grunkemeyer, NP located?

The NPPES record lists a practice address at 19229 Mack Ave Ste 24, Grosse Pointe Woods, MI, 48236. Phone: (313) 884-5522. Providers update this record themselves, so call before visiting.

How can I verify Gail Grunkemeyer, NP's license?

NPPES lists Michigan license number 4704276376, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Gail Grunkemeyer, NP prescribe under Medicare Part D?

In 2024, Gail Grunkemeyer, NP had 854 Medicare Part D claims for 299 beneficiaries; the average among acute care nurse practitioner prescribers was 623. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.