Catherine Linn, MD
NPI 1730276874 · Internal Medicine Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Linn, MD is a Internal Medicine Physician provider in Nashville, TN (NPI 1730276874).
Provider details
- NPI number
- 1730276874
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD39800 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
444 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Tracing93005 | 101 | $6 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 101 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $122 |
| Administration of Influenza Virus VaccineG0008 | 64 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $173 |
| Admn Sarscov2 Vacc 1 Dose90480 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 107 | 28 |
| Atorvastatin Calcium | 105 | 32 |
| Rosuvastatin Calcium | 95 | 27 |
| Amlodipine Besylate | 67 | 19 |
| Trazodone Hcl | 65 | 15 |
| Metoprolol Succinate | 54 | 14 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2022-03-17
- Certified
- 2022-03-17
Frequently asked questions
- What is Catherine Linn's NPI number?
- Catherine Linn's National Provider Identifier (NPI) is 1730276874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Linn's specialty?
- Catherine Linn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Linn located?
- Catherine Linn's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Catherine Linn's phone number?
- The practice phone number listed in the NPPES registry for Catherine Linn is (615) 322-3000.
- Does Catherine Linn accept Medicare?
- Catherine Linn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Linn's NPI active?
- Yes — Catherine Linn's NPI (1730276874) is active in the NPPES registry as of the last update on 2022-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.