Gregory Harold Blake, MD, MPH
Family Medicine Physician · Knoxville, TN
Gregory Harold Blake, MD, MPH is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1841257482, issued on Apr 27, 2006. Check the license (Tennessee 26558, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory Harold Blake
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26558 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1924 Alcoa Hwy, Knoxville, TN 37920
- Phone
- (865) 544-9351
- Enumerated
- Apr 27, 2006
- Record last updated
- Sep 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (865) 544-9314
- Medicaid ID
- 3092066 TN
- Medicare enrollment
- Enrolled (PECOS I20040116000333); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1977
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1924 Alcoa Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Harold Blake in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 26558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
719 Medicare Part D claims for 197 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Lisinopril38 claims
- Amlodipine Besylate31 claims
- Eliquis29 claims
- Omeprazole28 claims
- Gabapentin25 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
- University OF TennesseeKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Harold Blake among 2,674 family medicine physician records in Tennessee
Gregory Harold Blake, MD, MPH 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
- Graduated1977 · median 2004 among the 1,685 with a school on file
- Record last updated2012 · 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
- Amy Barger Stevens, MDKnoxville, TN 379201831156348
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- Daniel Cox, M.D.Knoxville, TN 379201417059254
- Larry Davis, MDKnoxville, TN 379201568420610
- Donald Keeble, MDKnoxville, TN 379201649232646
- Richard Mays, M.D.Knoxville, TN 379201275560351
- Fabian Mihelic, MD, FAAFPKnoxville, TN 379201639136179
- Anwar Mire, MDKnoxville, TN 379201508868969
Common questions
What is Gregory Harold Blake, MD, MPH's NPI number?
Gregory Harold Blake, MD, MPH's National Provider Identifier (NPI) is 1841257482, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Harold Blake, MD, MPH located?
The NPPES record lists a practice address at 1924 Alcoa Hwy, Knoxville, TN, 37920. Phone: (865) 544-9351. Providers update this record themselves, so call before visiting.
How can I verify Gregory Harold Blake, MD, MPH's license?
NPPES lists Tennessee license number 26558, 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 Gregory Harold Blake, MD, MPH prescribe under Medicare Part D?
In 2024, Gregory Harold Blake, MD, MPH had 719 Medicare Part D claims for 197 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.