NPPES file of Aug 9, 2026

Gregory S. Mervenne, MD

Hospice and Palliative Medicine (Emergency Medicine) Physician · Grand Rapids, MI

Gregory S. Mervenne, MD is a hospice and palliative medicine (emergency medicine) physician with a practice address in Grand Rapids, Michigan, and NPI 1215955752, issued on Jul 17, 2006. Check the license (Michigan 4301060010, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1215955752
Name
Gregory S. Mervenne
Credential
MD
Primary taxonomy
Hospice and Palliative Medicine (Emergency Medicine) Physician 207PH0002X
License number
4301060010 MI
Self-reported in NPPES; status is on the state search
Practice location
145 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 391-9945
Enumerated
Jul 17, 2006
Record last updated
Apr 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(616) 486-6346
Medicare enrollment
Enrolled (PECOS I20070409000266); accepts Medicare assignment
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 145 Michigan St NE

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

  1. Syed Muneer Abidi, MDHematology (Internal Medicine) Physician1922045525
  2. Amy Amash, M.S., C.G.C.Genetic Counselor (M.S.)1629001268
  3. Murwarid Assifi, MDSurgical Oncology Physician1548416563
  4. Lisa Berger, P.A.Physician Assistant1497729172
  5. Jamie Bray, PA-CMedical Physician Assistant1609964691
  6. Kristin Brown, CNSOncology Registered Nurse1033923149

Verify Gregory S. Mervenne in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301060010
    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
Open the Michigan license search

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5% more Medicare Part D claims than the average hospice and palliative medicine (emergency medicine) physician in 2024

204 Medicare Part D claims for 143 beneficiaries, against an average of 194 among the 130 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Gregory Mervenne204
  2. Specialty average194

Most prescribed

  1. Methylprednisolone23 claims
  2. Ciprofloxacin Hcl22 claims
  3. Azithromycin20 claims
  4. Cephalexin19 claims
  5. Hydrocodone-Acetaminophen17 claims
  6. Amoxicillin-Clavulanate Potass11 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. Hawk Emergency Group, P.C.Gaylord, MI

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

Gregory S. Mervenne among 10 hospice and palliative medicine (emergency medicine) physician records in Michigan

Gregory S. Mervenne, MD is one of 10 hospice and palliative medicine (emergency medicine) physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 70% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Record last updated2014 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PH0002X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Emergency Medicine) Physician providers in Michigan

There are 10 hospice and palliative medicine (emergency medicine) physician records in Michigan.

The 8 hospice and palliative medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Ryan Stringer, D.O.Grand Rapids, MI 495031962847756
  2. David King, MDByron Center, MI 493151952751844
  3. Robert Zalenski, MDRochester Hills, MI 483091922017458
  4. Norman Harrison, M.D.Detroit, MI 482141427269034
  5. Patrick Hawley, M.D.Detroit, MI 482021750479085
  6. Eric Herrera, MDRoyal Oak, MI 480671972710432
  7. Bradley Heth, D.O.Mount Clemens, MI 480431568679710
  8. Becky Heth, D.O.Mount Clemens, MI 480431356558522

Common questions

What is Gregory S. Mervenne, MD's NPI number?

Gregory S. Mervenne, MD's National Provider Identifier (NPI) is 1215955752, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Mervenne, MD located?

The NPPES record lists a practice address at 145 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 391-9945. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Mervenne, MD's license?

NPPES lists Michigan license number 4301060010, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory S. Mervenne, MD prescribe under Medicare Part D?

In 2024, Gregory S. Mervenne, MD had 204 Medicare Part D claims for 143 beneficiaries; the average among hospice and palliative medicine (emergency medicine) physician prescribers was 194. 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.