John Wharton, MD
NPI 1427087527 · Internal Medicine Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wharton, MD is a Internal Medicine Physician provider in Baton Rouge, LA (NPI 1427087527).
Provider details
- NPI number
- 1427087527
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 023271 (LA)
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
2,850 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 | 491 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 389 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 273 | $84 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 239 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 239 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 229 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 941 | 257 |
| Amlodipine Besylate | 774 | 208 |
| Lisinopril | 540 | 132 |
| Levothyroxine Sodium | 509 | 117 |
| Gabapentin | 359 | 85 |
| Pantoprazole Sodium | 356 | 88 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-01
- Last updated
- 2011-02-07
Frequently asked questions
- What is John Wharton's NPI number?
- John Wharton's National Provider Identifier (NPI) is 1427087527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wharton's specialty?
- John Wharton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Wharton located?
- John Wharton's practice location on file with NPPES is 7373 Perkins Rd, Baton Rouge, LA 70808-4326.
- What is John Wharton's phone number?
- The practice phone number listed in the NPPES registry for John Wharton is (225) 769-4044.
- Does John Wharton accept Medicare?
- John Wharton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wharton's NPI active?
- Yes — John Wharton's NPI (1427087527) is active in the NPPES registry as of the last update on 2011-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.