NPPES file of Aug 9, 2026

Michael Emanuel Grillis, DO

Surgery Physician · Fremont, OH

Michael Emanuel Grillis, DO is a surgery physician with a practice address in Fremont, Ohio, and NPI 1508974494, issued on Aug 29, 2006. Check the license (Ohio 34004664, as entered in NPPES) on the State Medical Board of Ohio; 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
1508974494
Name
Michael Emanuel Grillis
Credential
DO
Primary taxonomy
Surgery Physician 208600000X
License number
34004664 OH
Self-reported in NPPES; status is on the state search
Practice location
2281 Hayes Ave, Fremont, OH 43420
Phone
(419) 355-8488
Enumerated
Aug 29, 2006
Record last updated
Jul 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(419) 355-8890
Medicaid ID
0739964 OH
Medicare enrollment
Enrolled (PECOS I20100802000067); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 1977
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 2281 Hayes Ave

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

  1. Jessica Carroll, MSN, FNP-CFamily Nurse Practitioner1255069985

Verify Michael Emanuel Grillis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34004664
    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 Ohio 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.

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24% more Medicare Part D claims than the average surgery physician in 2024

182 Medicare Part D claims for 110 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Michael Grillis182
  2. Specialty average147

Most prescribed

  1. Omeprazole73 claims
  2. Oxycodone-Acetaminophen26 claims
  3. Pantoprazole Sodium17 claims
  4. Sucralfate12 claims
  5. Ibuprofen11 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. Memorial Professional Services LtdFremont, OH

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

Michael Emanuel Grillis among 1,249 surgery physician records in Ohio

Michael Emanuel Grillis, DO is one of 1,249 surgery physician records with a practice address in Ohio. 73% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 57% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1977 · median 2006 among the 739 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Ohio

There are 1,249 surgery physician records in Ohio.

The 8 surgery physician records with the nearest ZIP codes

  1. Richard Wiecek, MDFremont, OH 434201831187087
  2. Michael Bielefeld, MDBowling Green, OH 434021295728079
  3. Douglas Hess, MDBowling Green, OH 434021467506931
  4. David Kim, D.O.Bowling Green, OH 434021861765083
  5. Peter Lalor, MDBowling Green, OH 434021528093218
  6. Guillermo Crisologo, M.D.Port Clinton, OH 434521821106295
  7. Jose Vale, MDUpper Sandusky, OH 433511235197799
  8. Stenneth Adams, M.D.Bryan, OH 435061982642146

Common questions

What is Michael Emanuel Grillis, DO's NPI number?

Michael Emanuel Grillis, DO's National Provider Identifier (NPI) is 1508974494, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Emanuel Grillis, DO located?

The NPPES record lists a practice address at 2281 Hayes Ave, Fremont, OH, 43420. Phone: (419) 355-8488. Providers update this record themselves, so call before visiting.

How can I verify Michael Emanuel Grillis, DO's license?

NPPES lists Ohio license number 34004664, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Emanuel Grillis, DO prescribe under Medicare Part D?

In 2024, Michael Emanuel Grillis, DO had 182 Medicare Part D claims for 110 beneficiaries; the average among surgery physician prescribers was 147. 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.