John Hardin, MD
NPI 1417969551 · Dermatology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hardin, MD is a Dermatology Physician provider in Nashville, TN (NPI 1417969551).
Provider details
- NPI number
- 1417969551
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35039 (TN)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,757 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 896 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 471 | $83 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 384 | $48 |
| Biopsy of Related Skin Growth, First Growth11102 | 248 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 234 | $118 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 179 | 121 |
| Triamcinolone Acetonide | 119 | 100 |
| Fluocinonide | 61 | 54 |
| Cephalexin | 44 | 37 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 36 | 17 |
| Desonide | 31 | 26 |
| Hydrocortisone | 30 | 28 |
| Clobetasol Propionate | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 across 4 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 (1)
- 222 22nd Ave NNashville, TN 37203-1852Phone: (629) 255-2130Fax: (629) 255-4155
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2018-06-14
Frequently asked questions
- What is John Hardin's NPI number?
- John Hardin's National Provider Identifier (NPI) is 1417969551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hardin's specialty?
- John Hardin is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Hardin located?
- John Hardin's practice location on file with NPPES is 2325 Crestmoor Rd Ste 104, Nashville, TN 37215.
- What is John Hardin's phone number?
- The practice phone number listed in the NPPES registry for John Hardin is (629) 255-2130.
- Does John Hardin accept Medicare?
- John Hardin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hardin's NPI active?
- Yes — John Hardin's NPI (1417969551) is active in the NPPES registry as of the last update on 2018-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.