Keith R. Cook, MD
Internal Medicine Physician · Johnson City, TN
Keith R. Cook, MD is an internal medicine physician with a practice address in Johnson City, Tennessee, and NPI 1396740957, issued on Jun 20, 2005. Check the license (Tennessee 28176, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Keith R. Cook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 28176 TN
Self-reported in NPPES; status is on the state search - Practice location
- 301 Med Tech Pkwy Ste 240, Johnson City, TN 37604
- Phone
- (423) 794-5520
- Enumerated
- Jun 20, 2005
- Record last updated
- Feb 13, 2025
- Fax
- (423) 282-6940
- Medicaid ID
- 3811766 TN
- Medicare enrollment
- Enrolled (PECOS I20100201000576); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 301 Med Tech Pkwy Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kayla Almanzor, NPFamily Nurse Practitioner1912434820
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- Whitney Aultman, PHARMDPharmacist1588161368
- Britny Boswell Hall, FNPFamily Nurse Practitioner1376236992
Verify Keith R. Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 28176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,595 Medicare Part D claims for 655 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 302 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium469 claims
- Atorvastatin Calcium421 claims
- Omeprazole363 claims
- Levothyroxine Sodium362 claims
- Amlodipine Besylate343 claims
- Lisinopril333 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.
Industry payments in 2024: $147.61
9 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- State OF Franklin Healthcare Associates, PLLCJohnson City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith R. Cook among 2,596 internal medicine physician records in Tennessee
Keith R. Cook, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 2003 among the 1,705 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
125 internal medicine physician records list a practice address in Johnson City
They are 125 of the 3,807 NPPES records with a practice address in Johnson City, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Johnson City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Brown, MDJohnson City, TN 376041326043167
- Matthew Cary, MDJohnson City, TN 376041306841440
- Frank Forbush, MDJohnson City, TN 376041538164660
- Mary Gibson, MDJohnson City, TN 376041164427290
- Michael Grosserode, MDJohnson City, TN 376041710982848
- Christopher Hemphill, MDJohnson City, TN 376041053316232
- Randy Hoover, MDJohnson City, TN 376041255336434
- Frank Johnson, MDJohnson City, TN 376041780689562
Common questions
What is Keith R. Cook, MD's NPI number?
Keith R. Cook, MD's National Provider Identifier (NPI) is 1396740957, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Keith R. Cook, MD located?
The NPPES record lists a practice address at 301 Med Tech Pkwy Ste 240, Johnson City, TN, 37604. Phone: (423) 794-5520. Providers update this record themselves, so call before visiting.
How can I verify Keith R. Cook, MD's license?
NPPES lists Tennessee license number 28176, 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 Keith R. Cook, MD prescribe under Medicare Part D?
In 2024, Keith R. Cook, MD had 11,595 Medicare Part D claims for 655 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.