Robert Martyn, M.D.
NPI 1265422760 · Interventional Cardiology Physician · Loudon, TN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Martyn, M.D. is a Interventional Cardiology Physician provider in Loudon, TN (NPI 1265422760).
Provider details
- NPI number
- 1265422760
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 23724 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
884 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 160 | $7 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 120 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 89 | $83 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 58 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 124 | 47 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 94 | 33 |
| Apixabanbrand: Eliquis | 88 | 30 |
| Carvedilol | 87 | 35 |
| Metoprolol Tartrate | 87 | 50 |
| Atorvastatin Calcium | 84 | 38 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,821 across 86 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-26
- Last updated
- 2020-09-02
- Certified
- 2020-09-02
Frequently asked questions
- What is Robert Martyn's NPI number?
- Robert Martyn's National Provider Identifier (NPI) is 1265422760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Martyn's specialty?
- Robert Martyn is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Martyn located?
- Robert Martyn's practice location on file with NPPES is 202 Dohi Dr, Loudon, TN 37774-2851.
- What is Robert Martyn's phone number?
- The practice phone number listed in the NPPES registry for Robert Martyn is (865) 392-3400.
- Does Robert Martyn accept Medicare?
- Robert Martyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Martyn's NPI active?
- Yes — Robert Martyn's NPI (1265422760) is active in the NPPES registry as of the last update on 2020-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.