NPPES file of Aug 9, 2026

Michael J. Grosserode, MD

Internal Medicine Physician · Johnson City, TN

Michael J. Grosserode, MD is an internal medicine physician with a practice address in Johnson City, Tennessee, and NPI 1710982848, issued on Jun 16, 2005. Check the license (Tennessee 26879, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1710982848
Name
Michael J. Grosserode
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
26879 TN
Self-reported in NPPES; status is on the state search
Practice location
301 Med Tech Pkwy, Johnson City, TN 37604
Phone
(423) 794-5550
Enumerated
Jun 16, 2005
Record last updated
Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(423) 928-0394
Medicaid ID
3091643 TN
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 301 Med Tech Pkwy

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

  1. Vanessa Ailey, CNMAdvanced Practice Midwife1265838650
  2. Boyce Berry, M.D.Pediatrics Physician1992700041
  3. Stephen Box, M.D.Obstetrics & Gynecology Physician1326044892
  4. William Bridgforth, M.D.Pediatrics Physician1740285881
  5. Paul Brown, MDInternal Medicine Physician1326043167
  6. Matthew Cary, MDInternal Medicine Physician1306841440

Verify Michael J. Grosserode in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 26879
    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 Tennessee 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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

22 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Grosserode22
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium12 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.

Michael J. Grosserode among 2,596 internal medicine physician records in Tennessee

Michael J. Grosserode, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

125 internal medicine physician records list a practice address in Johnson City

They are 125 of the 3,807 NPPES records with a practice address in Johnson City, and 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Brown, MDJohnson City, TN 376041326043167
  2. Matthew Cary, MDJohnson City, TN 376041306841440
  3. Keith Cook, MDJohnson City, TN 376041396740957
  4. Frank Forbush, MDJohnson City, TN 376041538164660
  5. Mary Gibson, MDJohnson City, TN 376041164427290
  6. Christopher Hemphill, MDJohnson City, TN 376041053316232
  7. Randy Hoover, MDJohnson City, TN 376041255336434
  8. Frank Johnson, MDJohnson City, TN 376041780689562

Common questions

What is Michael J. Grosserode, MD's NPI number?

Michael J. Grosserode, MD's National Provider Identifier (NPI) is 1710982848, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Grosserode, MD located?

The NPPES record lists a practice address at 301 Med Tech Pkwy, Johnson City, TN, 37604. Phone: (423) 794-5550. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Grosserode, MD's license?

NPPES lists Tennessee license number 26879, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael J. Grosserode, MD prescribe under Medicare Part D?

In 2024, Michael J. Grosserode, MD had 22 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.