John R. Blake, M.D.
Family Medicine Physician · Knoxville, TN
John R. Blake, M.D. is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1447220363, issued on Jan 24, 2006. Check the license (Tennessee MD16391, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John R. Blake
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD16391 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4306 Asheville Hwy, Knoxville, TN 37914
- Phone
- (865) 522-2168
- Enumerated
- Jan 24, 2006
- Record last updated
- Feb 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (865) 522-7116
- Medicaid ID
- 3721704 TN
- Medicare enrollment
- Enrolled (PECOS I20100819000166); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 4306 Asheville Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phillip Watson, M.D.Family Medicine Physician1598735433
Verify John R. Blake in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD16391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family medicine physician in 2024
11,611 Medicare Part D claims for 594 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 571 claims were for opioids.
Most prescribed
- Levothyroxine Sodium538 claims
- Amlodipine Besylate471 claims
- Atorvastatin Calcium460 claims
- Alprazolam380 claims
- Hydrocodone-Acetaminophen354 claims
- Gabapentin288 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): 95.1 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).
Industry payments in 2024: $920.64
37 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Knoxville Medical And Industrial ClinicKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Blake among 2,674 family medicine physician records in Tennessee
John R. Blake, 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
- Graduated1984 · median 2004 among the 1,685 with a school on file
- Record last updated2014 · 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).
244 family medicine physician records list a practice address in Knoxville
They are 244 of the 14,339 NPPES records with a practice address in Knoxville, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Knoxville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Tamara Davis, MDKnoxville, TN 379141528066719
- Tracey Thomas, DOKnoxville, TN 379141518901602
- Phillip Watson, M.D.Knoxville, TN 379141598735433
- Thomas Witt, MDKnoxville, TN 379151760010185
- Kelly Baker, MDKnoxville, TN 379161174567598
- Christin Carter, FNPKnoxville, TN 379161366410847
- Robert Chambers, MDKnoxville, TN 379121619911039
- Strant Colwell, M.D.Knoxville, TN 379161053519173
Common questions
What is John R. Blake, M.D.'s NPI number?
John R. Blake, M.D.'s National Provider Identifier (NPI) is 1447220363, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Blake, M.D. located?
The NPPES record lists a practice address at 4306 Asheville Hwy, Knoxville, TN, 37914. Phone: (865) 522-2168. Providers update this record themselves, so call before visiting.
How can I verify John R. Blake, M.D.'s license?
NPPES lists Tennessee license number MD16391, 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 John R. Blake, M.D. prescribe under Medicare Part D?
In 2024, John R. Blake, M.D. had 11,611 Medicare Part D claims for 594 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John R. Blake, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.1 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.