James Gainer, MD
NPI 1467544874 · Internal Medicine Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Gainer, MD is a Internal Medicine Physician provider in Nashville, TN (NPI 1467544874).
Provider details
- NPI number
- 1467544874
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28182 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
702 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 222 | $95 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 166 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 126 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $64 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 83 | $137 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 325 | 86 |
| Gabapentin | 242 | 45 |
| Spironolactone | 219 | 64 |
| Amlodipine Besylate | 208 | 58 |
| Omeprazole | 204 | 55 |
| Losartan Potassium | 204 | 59 |
| Eplerenone | 191 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18,362 across 17 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
Additional practice locations (2)
- 1310 24th Ave SNashville, TN 37212-2637Phone: (615) 327-4751
- 719 Thompson Ln Ste 38500Nashville, TN 37204-3615Phone: (615) 936-1212
Registry dates
- Enumerated
- 2006-09-30
- Last updated
- 2025-12-17
- Certified
- 2025-12-17
Frequently asked questions
- What is James Gainer's NPI number?
- James Gainer's National Provider Identifier (NPI) is 1467544874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Gainer's specialty?
- James Gainer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Gainer located?
- James Gainer's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
- What is James Gainer's phone number?
- The practice phone number listed in the NPPES registry for James Gainer is (615) 322-3000.
- Does James Gainer accept Medicare?
- James Gainer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Gainer's NPI active?
- Yes — James Gainer's NPI (1467544874) is active in the NPPES registry as of the last update on 2025-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.