William E. Blalock, MD
Cardiovascular Disease Physician · Chattanooga, TN
William E. Blalock, MD is a cardiovascular disease physician with a practice address in Chattanooga, Tennessee, and NPI 1740254820, issued on Feb 15, 2006. Check the license (Tennessee 21693, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William E. Blalock
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 21693 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1614 Gunbarrel RD, Chattanooga, TN 37421
- Phone
- (423) 553-7600
- Enumerated
- Feb 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050809000896); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 464 in Tennessee → Look up another NPI →
Also registered at 1614 Gunbarrel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Calvin Bell, MDCardiovascular Disease Physician1821062258
- Michael Love, MDCardiovascular Disease Physician1093789273
Verify William E. Blalock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 21693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,775 Medicare Part D claims for 297 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Carvedilol129 claims
- Nitroglycerin125 claims
- Metoprolol Succinate109 claims
- Eliquis108 claims
- Isosorbide Mononitrate Er101 claims
- Metoprolol Tartrate101 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 MIPS final score for 2023 (Medicare payment program): 96.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,228.38
101 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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 2 group practices
- Chattanooga Hamilton County Hospital AuthorityChattanooga, TN
- Erlanger HealthChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William E. Blalock among 464 cardiovascular disease physician records in Tennessee
William E. Blalock, MD is one of 464 cardiovascular disease 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 19% of them.
- NPI issued2006 · 19% of these records are older, 38% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1988 · median 1999 among the 320 with a school on file
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Tennessee
There are 464 cardiovascular disease physician records in Tennessee.
All 464 in Tennessee → Every provider in Chattanooga → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Calvin Bell, MDChattanooga, TN 374211821062258
- Michael Love, MDChattanooga, TN 374211093789273
- Martin Martin, MDChattanooga, TN 374121417946922
- William Armstrong, MDChattanooga, TN 374041902225014
- Allen Atchley, M.D.Chattanooga, TN 374041134320476
- Henry Cheng, MDChattanooga, TN 374041669748638
- Andrew Fowler, M.D.Chattanooga, TN 374041831274372
- Jeffrey Jarrett, M.D.Chattanooga, TN 374041669437315
Common questions
What is William E. Blalock, MD's NPI number?
William E. Blalock, MD's National Provider Identifier (NPI) is 1740254820, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William E. Blalock, MD located?
The NPPES record lists a practice address at 1614 Gunbarrel RD, Chattanooga, TN, 37421. Phone: (423) 553-7600. Providers update this record themselves, so call before visiting.
How can I verify William E. Blalock, MD's license?
NPPES lists Tennessee license number 21693, 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 William E. Blalock, MD prescribe under Medicare Part D?
In 2024, William E. Blalock, MD had 1,775 Medicare Part D claims for 297 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is William E. Blalock, MD's MIPS final score?
The 2023 MIPS final score is 96.2 of 100. 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.