NPPES file of Aug 9, 2026

Stoyan Grakov, M.D.

Adult Medicine Physician · Chattanooga, TN

Stoyan Grakov, M.D. is an adult medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1730491317, issued on Jul 12, 2010. Check the license (Tennessee 57078, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730491317
Name
Stoyan Grakov
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License numbers
57078 TN
262418 NY
Self-reported in NPPES; status is on the state search
Practice location
941 Spring Creek RD, Chattanooga, TN 37412
Phone
(423) 855-3691
Enumerated
Jul 12, 2010
Record last updated
Oct 31, 2025
Medicare enrollment
Enrolled (PECOS I20180710003480); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 941 Spring Creek RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hannah Afman, OTDOccupational Therapist1346106978
  2. Cullen Black, MDFamily Medicine Physician1487116166
  3. Antoinette Boameh, M.D.Internal Medicine Physician1194157610
  4. Victoria BuiCritical Care Medicine Registered Nurse1063345007
  5. Melissa Bunnell, DOFamily Medicine Physician1861707507
  6. Dinora Duke, BSN, RNStudent in an Organized Health Care Education/Training Program1104742832

Verify Stoyan Grakov in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 57078
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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74% fewer Medicare Part D claims than the average adult medicine physician in 2024

771 Medicare Part D claims for 320 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 18 claims were for opioids.

  1. Stoyan Grakov771
  2. Specialty average3,002

Most prescribed

  1. Cefuroxime85 claims
  2. Amlodipine Besylate58 claims
  3. Methylprednisolone51 claims
  4. Losartan Potassium40 claims
  5. Azithromycin37 claims
  6. Spironolactone30 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 2 group practices

  1. Hospital Medicine Services OF TN LLCNashville, TN
  2. Pepper Branch Physician Services PCMcMinnville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stoyan Grakov among 36 adult medicine physician records in Tennessee

Stoyan Grakov, M.D. is one of 36 adult medicine physician records with a practice address in Tennessee. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1991 · median 1998 among the 18 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in Tennessee

There are 36 adult medicine physician records in Tennessee.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Joe Mazzolini, MDChattanooga, TN 374121811908718
  2. Gary Gesualdi, MDChattanooga, TN 374211629110457
  3. William Shelton, MDChattanooga, TN 374031174013825
  4. Jung Park, MDWhitwell, TN 373971942291638
  5. James Ness, M.D.Tellico Plains, TN 373851245361054
  6. Cynthia Shaffer, NP-COoltewah, TN 373631891798047
  7. Brandalyn Randolph, NPHixson, TN 373431154287456
  8. Paul Boerema, M.D.Cleveland, TN 373121396979233

Common questions

What is Stoyan Grakov, M.D.'s NPI number?

Stoyan Grakov, M.D.'s National Provider Identifier (NPI) is 1730491317, issued on Jul 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Stoyan Grakov, M.D. located?

The NPPES record lists a practice address at 941 Spring Creek RD, Chattanooga, TN, 37412. Phone: (423) 855-3691. Providers update this record themselves, so call before visiting.

How can I verify Stoyan Grakov, M.D.'s license?

NPPES lists Tennessee license number 57078, 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 Stoyan Grakov, M.D. prescribe under Medicare Part D?

In 2024, Stoyan Grakov, M.D. had 771 Medicare Part D claims for 320 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.