John Nash, MD
NPI 1821086281 · Orthopaedic Surgery Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Nash, MD is a Orthopaedic Surgery Physician provider in Chattanooga, TN (NPI 1821086281).
Provider details
- NPI number
- 1821086281
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 026978 (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 tenure28% of score
20 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
3,086 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 694 | $116 |
| X-Ray of Knee, 4 Or More Views73564 | 377 | $42 |
| X-Ray of Knee, 3 Views73562 | 303 | $36 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 280 | $59 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 270 | $87 |
| Mri Scan of Arm Joint Without Contrast73221 | 187 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 424 | 193 |
| Meloxicam | 372 | 171 |
| Oxycodone Hcl | 135 | 106 |
| Methylprednisolone | 102 | 98 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 102 | 77 |
| Ondansetron Hcl | 91 | 86 |
| Naloxone Hcl | 85 | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2015-05-12
Frequently asked questions
- What is John Nash's NPI number?
- John Nash's National Provider Identifier (NPI) is 1821086281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nash's specialty?
- John Nash is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Nash located?
- John Nash's practice location on file with NPPES is 2415 Mccallie Ave, Chattanooga, TN 37404-3322.
- What is John Nash's phone number?
- The practice phone number listed in the NPPES registry for John Nash is (423) 624-2696.
- Does John Nash accept Medicare?
- John Nash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Nash's NPI active?
- Yes — John Nash's NPI (1821086281) is active in the NPPES registry as of the last update on 2015-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.