Bernard Grunstra, MD
Internal Medicine Physician · Bristol, TN
Bernard Grunstra, MD is an internal medicine physician with a practice address in Bristol, Tennessee, and NPI 1558367417, issued on Jun 24, 2005. Check the license (Tennessee MD21854, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Bernard Grunstra
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD21854 TN
Self-reported in NPPES; status is on the state search - Practice location
- 350 Steeles RD, Bristol, TN 37620
- Phone
- (423) 844-6700
- Enumerated
- Jun 24, 2005
- Record last updated
- Apr 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (423) 844-6703
- Medicaid ID
- 006747531 VA
- Medicare enrollment
- Enrolled (PECOS I20111115000691); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 350 Steeles RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dulcie ChampionMedical Physician Assistant1881710333
- Cynthia McGlothlin, WHNPWomen's Health Nurse Practitioner1477556397
- Shelby Olds, MDInternal Medicine Physician1205832169
- Dennis Samuel, MDObstetrics & Gynecology Physician1932102944
Verify Bernard Grunstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD21854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,727 Medicare Part D claims for 413 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 51 claims were for opioids.
Most prescribed
- Levothyroxine Sodium452 claims
- Atorvastatin Calcium382 claims
- Lisinopril359 claims
- Rosuvastatin Calcium338 claims
- Amlodipine Besylate271 claims
- Losartan Potassium191 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.
Industry payments in 2024: $2,773.50
71 payments; by number, the most common kind was food and beverage; the largest payer was ModernaTX, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Internal Medicine And Pediatric Assoc OF BristolBristol, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bernard Grunstra among 2,596 internal medicine physician records in Tennessee
Bernard Grunstra, 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 fileYes · 66% of these records are
- Graduated1985 · median 2003 among the 1,705 with a school on file
- Record last updated2014 · 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).
28 internal medicine physician records list a practice address in Bristol
They are 28 of the 1,013 NPPES records with a practice address in Bristol, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Bristol → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Walter Arnold, MDBristol, TN 376201033162375
- Susan Boccarossa, MDBristol, TN 376201861496622
- Harry Claybrook, MDBristol, TN 376201801892765
- John Green, MDBristol, TN 376201740288380
- Steven Hanor, MDBristol, TN 376201578533055
- Kelley Harris, M.D.Bristol, TN 376201841297900
- Jean Mancini, M.D.Bristol, TN 376201013914308
- Shelby Olds, MDBristol, TN 376201205832169
Common questions
What is Bernard Grunstra, MD's NPI number?
Bernard Grunstra, MD's National Provider Identifier (NPI) is 1558367417, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bernard Grunstra, MD located?
The NPPES record lists a practice address at 350 Steeles RD, Bristol, TN, 37620. Phone: (423) 844-6700. Providers update this record themselves, so call before visiting.
How can I verify Bernard Grunstra, MD's license?
NPPES lists Tennessee license number MD21854, 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 Bernard Grunstra, MD prescribe under Medicare Part D?
In 2024, Bernard Grunstra, MD had 7,727 Medicare Part D claims for 413 beneficiaries; 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.