MR. MICHAEL R GROSSMAN MD
NPI 1538158233
Internal Medicine - Gastroenterology in Enid, OK

Active since October 17, 2005PECOS Enrolled
91.18/100
CMS Quality Rating
330 S 5TH ST, ENID, OK 73701(580) 249-3003(580) 599-6447 Get Directions Write a Review

NPPES record last updated: July 31, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Michael R Grossman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MICHAEL R GROSSMAN MD (NPI 1538158233) is an individual gastroenterology provider in Enid, Oklahoma, licensed in Oklahoma (10463) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Mcalester.

NPPES Registry Identity

NPI1538158233
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMR. MICHAEL R GROSSMANCredential: MD
Location Address330 S 5TH STEnid, OK 73701-5825
Mailing AddressPo Box 3046Malvern, PA 19355-0746 · (580) 249-3003 · Fax (580) 599-6447
Fax(580) 599-6447
Sole ProprietorNo
Enumeration DateOctober 17, 2005
Last NPPES UpdateJuly 31, 2023
NPPES CertifiedJuly 31, 2023
NPI 1538158233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in OK · 10463
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
330 S 5TH ST, Enid, OK 73701

Secondary Practice Location 1

Location 12 E Clark Bass Blvd, Suite 301McAlester, OK 74501-4282 · Phone (918) 421-6846 · Fax (918) 421-6875

Other Identifiers 2

Other1E4684OK · Ptan
Medicaid100013500AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Michael R Grossman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality79.27
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinical Medical Laboratory
330 S 5TH ST
ENID, OK 73701
Neurological Surgery
330 S 5TH ST, SUITE 400
ENID, OK 73701
Dermatology
330 S 5TH ST, SUITE 400
ENID, OK 73701
Surgery
330 S 5TH ST, SUITE 401
ENID, OK 73701
Community Health Worker
330 S 5TH ST, STE 501
ENID, OK 73701
Clinic/Center (Radiology, Mobile)
330 S 5TH ST, SUITE 404
ENID, OK 73701
Physician Assistant
330 S 5TH ST, SUITE 400
ENID, OK 73701
Family Medicine
330 S 5TH ST, STE 202
ENID, OK 73701

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Grossman's NPI number?

The NPI number for Michael Grossman is 1538158233. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Where is Michael Grossman located?

Michael Grossman practices at 330 S 5th St, Enid, OK 73701. The listed phone number is (580) 249-3003.

What is Michael Grossman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Grossman enrolled in Medicare?

Yes. Michael Grossman is registered in the Medicare PECOS enrollment system.

What insurance does Michael Grossman accept?

Health plans from CareSource list Michael Grossman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Grossman was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.