Registry data as of Aug 27, 2026

Robert Martyn, M.D.

Cardiovascular Disease Physician · Loudon, TN

Robert Martyn, M.D. is a cardiovascular disease physician with a practice address in Loudon, Tennessee, and NPI 1265422760, issued on Oct 26, 2005. Check the license (Tennessee 23724, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1265422760
Name
Robert Martyn
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
23724 TN
Self-reported in NPPES; status is on the state search
Practice location
202 Dohi Dr, Loudon, TN 37774
Phone
(865) 392-3400
Enumerated
Oct 26, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 202 Dohi Dr

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

  1. Brock Beeler, PTPhysical Therapist1538844832
  2. Charles Cupp, FNPFamily Nurse Practitioner1811675960
  3. Gabriel Ojeda, MDCardiovascular Disease Physician1023045556
  4. Haley Patterson, DPTPhysical Therapist1114638764
  5. Karen Rookard, FNPFamily Nurse Practitioner1417658246
  6. Evelyn Ward, FNPFamily Nurse Practitioner1679295513

Verify Robert Martyn 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 23724
    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.

57% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,340 Medicare Part D claims for 319 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Robert Martyn1,340
  2. Specialty average3,149

Most prescribed

  1. Clopidogrel124 claims
  2. Diltiazem 24hr Er (Cd)94 claims
  3. Eliquis88 claims
  4. Carvedilol87 claims
  5. Metoprolol Tartrate87 claims
  6. Atorvastatin Calcium84 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 Medicare quality score for 2023: 89.6 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.

  1. Qualityout of 100 · 30% of the final score77.7
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,820.69

86 payments, mostly food and beverage; the largest payer was Penumbra, Inc.. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Martyn$2,820.69
  2. Specialty average$4,923.81

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Knoxville Hma Cardiology Ppm, LLCKnoxville, TN

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 cardiovascular disease physician records list a Loudon practice address

They are 2 of the 167 NPPES records with a Loudon practice address, and 509 cardiovascular disease physician records in Tennessee.

Other cardiovascular disease physician records in Tennessee

  1. Bassem Abazid, M.D.Lenoir City, TN1689835944
  2. Abdul-Rahman Abdel-Karim, M.D.Memphis, TN1093014441
  3. Javed Abdullah, MDGermantown, TN1184801367
  4. Robert Abraham, MDNashville, TN1285781161
  5. Ahmad Abu-Halimah, M.D.Nashville, TN1013958776
  6. John Acker, M.D.Knoxville, TN1497756241
  7. Kylie Adamek, MDNashville, TN1972966786
  8. Milton Addington, MDGermantown, TN1790752566
  9. Adedayo Adeboye, MDMemphis, TN1699948281
  10. Adeyinka Agbetoyin, MDJackson, TN1922047422

Common questions

What is Robert Martyn, M.D.'s NPI number?

Robert Martyn, M.D.'s National Provider Identifier (NPI) is 1265422760, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Martyn, M.D. located?

The NPPES record lists a practice address at 202 Dohi Dr, Loudon, TN, 37774. Phone: (865) 392-3400. Providers update this record themselves, so call before visiting.

How can I verify Robert Martyn, M.D.'s license?

NPPES lists Tennessee license number 23724, 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 Robert Martyn, M.D. prescribe under Medicare Part D?

In 2024, Robert Martyn, M.D. had 1,340 Medicare Part D claims for 319 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.

What is Robert Martyn, M.D.'s Medicare quality score?

The 2023 MIPS final score is 89.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.