Ernest Grover Buchanan, M.D.
Family Medicine Physician · Cookeville, TN
Ernest Grover Buchanan, M.D. is a family medicine physician with a practice address in Cookeville, Tennessee, and NPI 1720088974, issued on Jul 29, 2005. Check the license (Tennessee 30853, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ernest Grover Buchanan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30853 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Neal St, Cookeville, TN 38501
- Phone
- (931) 528-7797
- Enumerated
- Jul 29, 2005
- Record last updated
- May 15, 2024
- Fax
- (931) 372-0098
- Medicaid ID
- 3831523 TN
- Medicare enrollment
- Enrolled (PECOS I20031229000542); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1101 Neal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Debovis, NPFamily Nurse Practitioner1508941733
- Chelsea Delk, APRNFamily Nurse Practitioner1124525894
- David Ferraro, LPNLicensed Practical Nurse1124366513
- Steven Flatt, M.D.Family Medicine Physician1831199223
- Jane Gotcher, M.D.Family Medicine Physician1952301541
- Haley King, NPNurse Practitioner1699343517
Verify Ernest Grover Buchanan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 30853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average family medicine physician in 2024
11,439 Medicare Part D claims for 823 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 301 claims were for opioids.
Most prescribed
- Atorvastatin Calcium409 claims
- Levothyroxine Sodium390 claims
- Omeprazole381 claims
- Lisinopril332 claims
- Amlodipine Besylate326 claims
- Pantoprazole Sodium319 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 63.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Summit Medical Group, PLLCCookeville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernest Grover Buchanan among 2,674 family medicine physician records in Tennessee
Ernest Grover Buchanan, M.D. is one of 2,674 family medicine physician records with a practice address in Tennessee. 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, 83% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 1,685 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in Cookeville
They are 32 of the 1,654 NPPES records with a practice address in Cookeville, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Cookeville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Harold Chertok, DOCookeville, TN 385011891719274
- Mark Clapp, M.D.Cookeville, TN 385011376592782
- Julian Fields, MDCookeville, TN 385011326007113
- Steven Flatt, M.D.Cookeville, TN 385011831199223
- William Gailmard, M.D.Cookeville, TN 385011124022884
- Jane Gotcher, M.D.Cookeville, TN 385011952301541
- Thomas Jenkins, MDCookeville, TN 385011992719934
- Craig Maltman, M.D.Cookeville, TN 385011316939853
Common questions
What is Ernest Grover Buchanan, M.D.'s NPI number?
Ernest Grover Buchanan, M.D.'s National Provider Identifier (NPI) is 1720088974, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ernest Grover Buchanan, M.D. located?
The NPPES record lists a practice address at 1101 Neal St, Cookeville, TN, 38501. Phone: (931) 528-7797. Providers update this record themselves, so call before visiting.
How can I verify Ernest Grover Buchanan, M.D.'s license?
NPPES lists Tennessee license number 30853, 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 Ernest Grover Buchanan, M.D. prescribe under Medicare Part D?
In 2024, Ernest Grover Buchanan, M.D. had 11,439 Medicare Part D claims for 823 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ernest Grover Buchanan, M.D.'s MIPS final score?
The 2023 MIPS final score is 63.5 of 100, reported for the practice group. 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.