Chad A. Griffin, M.D.
Family Medicine Physician · Sparta, TN
Chad A. Griffin, M.D. is a family medicine physician with a practice address in Sparta, Tennessee, and NPI 1659311702, issued on Jun 7, 2006. Check the license (Tennessee MD0000028253, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Chad A. Griffin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD0000028253 TN
Self-reported in NPPES; status is on the state search - Practice location
- 433 Sewell Dr, Sparta, TN 38583
- Phone
- (931) 739-3000
- Enumerated
- Jun 7, 2006
- Record last updated
- Jan 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (931) 739-3013
- Medicaid ID
- 3852925 TN
- Medicare enrollment
- Enrolled (PECOS I20100429000438); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 433 Sewell Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Lyons, A.P.N.Family Nurse Practitioner1396143483
- Anna Tylka, A.P.N.Nurse Practitioner1295977882
Verify Chad A. Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000028253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average family medicine physician in 2024
2,958 Medicare Part D claims for 250 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate187 claims
- Losartan Potassium171 claims
- Atorvastatin Calcium150 claims
- Rosuvastatin Calcium121 claims
- Levothyroxine Sodium111 claims
- Lisinopril111 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.
Bills Medicare through one group practice
- Cornerstone Family Medicine LLCSparta, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad A. Griffin among 2,674 family medicine physician records in Tennessee
Chad A. Griffin, 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 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 1,685 with a school on file
- Record last updated2010 · 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).
7 family medicine physician records list a practice address in Sparta
They are 7 of the 189 NPPES records with a practice address in Sparta, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Sparta → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Baker, MDSparta, TN 385831134291883
- Alan Drake, M.D.Sparta, TN 385831295730281
- Sharon HamptonSparta, TN 385831720540768
- Ryan Hunley, DOSparta, TN 385831992233704
- Linda Stover, FNPSparta, TN 385831609870393
- Ty Webb, MDSparta, TN 385831174512974
- Haidee Ballew, FNP-CSpencer, TN 385851639988157
- Grant Fraser, M.D.Spencer, TN 385851801835947
Common questions
What is Chad A. Griffin, M.D.'s NPI number?
Chad A. Griffin, M.D.'s National Provider Identifier (NPI) is 1659311702, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chad A. Griffin, M.D. located?
The NPPES record lists a practice address at 433 Sewell Dr, Sparta, TN, 38583. Phone: (931) 739-3000. Providers update this record themselves, so call before visiting.
How can I verify Chad A. Griffin, M.D.'s license?
NPPES lists Tennessee license number MD0000028253, 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 Chad A. Griffin, M.D. prescribe under Medicare Part D?
In 2024, Chad A. Griffin, M.D. had 2,958 Medicare Part D claims for 250 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.