Michael R. Grossman, MD
Gastroenterology Physician · Enid, OK
Michael R. Grossman, MD is a gastroenterology physician with a practice address in Enid, Oklahoma, and NPI 1538158233, issued on Oct 17, 2005. Check the license (Oklahoma 10463, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Michael R. Grossman
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 10463 OK
Self-reported in NPPES; status is on the state search - Practice location
- 330 S 5TH St, Enid, OK 73701
- Phone
- (580) 249-3003
- Enumerated
- Oct 17, 2005
- Record last updated
- Jul 31, 2023
- Fax
- (580) 599-6447
- Medicaid ID
- 100013500A OK
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 160 in Oklahoma → Look up another NPI →
Also registered at 330 S 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Dilling, CNSPsychiatric/Mental Health Nurse Practitioner1619942919
- Trenton Horst, D.O.Gastroenterology Physician1861476517
- Sanku Rao, MDGastroenterology Physician1992864086
- Julie Ross, PTSpecialist1730269226
- Holli Schultz, P.T.Community Health Worker1275704082
- Charles Shields, MDSpecialist1972590776
Verify Michael R. Grossman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 10463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 91.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Michael R. Grossman among 160 gastroenterology physician records in Oklahoma
Michael R. Grossman, MD is one of 160 gastroenterology physician records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 69% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oklahoma
There are 160 gastroenterology physician records in Oklahoma.
All 160 in Oklahoma → Every provider in Enid → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Trenton Horst, D.O.Enid, OK 737011861476517
- Stephen Hwang, M.D., PH.D.Enid, OK 737011497740468
- Sanku Rao, MDEnid, OK 737011992864086
- Cristopher Schultz, D.O.Enid, OK 737011881693752
- Charles Cannon, M.D.Enid, OK 737031073519815
- Hugh Leavens, MDElk City, OK 736441659308914
- Alexander Gurrola, MDArdmore, OK 734011033193776
- Stephen Kirkpatrick, M.D.Bartlesville, OK 740061588619787
Common questions
What is Michael R. Grossman, MD's NPI number?
Michael R. Grossman, MD's National Provider Identifier (NPI) is 1538158233, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael R. Grossman, MD located?
The NPPES record lists a practice address at 330 S 5TH St, Enid, OK, 73701. Phone: (580) 249-3003. Providers update this record themselves, so call before visiting.
How can I verify Michael R. Grossman, MD's license?
NPPES lists Oklahoma license number 10463, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michael R. Grossman, MD's MIPS final score?
The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.