Jonathan Marsh, MD
NPI 1689657165 · Internal Medicine Physician · Carmel, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Marsh, MD is a Internal Medicine Physician provider in Carmel, IN (NPI 1689657165).
Provider details
- NPI number
- 1689657165
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01060873A (IN)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,383 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 | 664 | $119 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 637 | $9 |
| Advance Care Planning, First 30 Minutes99497 | 390 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 366 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 112 | $167 |
| Administration of Pneumococcal VaccineG0009 | 73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 702 | 202 |
| Atorvastatin Calcium | 604 | 163 |
| Levothyroxine Sodium | 537 | 137 |
| Amlodipine Besylate | 373 | 101 |
| Tirzepatidebrand: Mounjaro | 333 | 50 |
| Lisinopril | 317 | 91 |
Practice location
Mailing address
Additional practice locations (1)
- 8330 Naab Rd Ste 340Indianapolis, IN 46260-2279Phone: (317) 415-6230
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Jonathan Marsh's NPI number?
- Jonathan Marsh's National Provider Identifier (NPI) is 1689657165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Marsh's specialty?
- Jonathan Marsh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Marsh located?
- Jonathan Marsh's practice location on file with NPPES is 13450 N Meridian St Ste 363, Carmel, IN 46032-7120.
- What is Jonathan Marsh's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Marsh is (317) 582-8315.
- Does Jonathan Marsh accept Medicare?
- Jonathan Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Marsh's NPI active?
- Yes — Jonathan Marsh's NPI (1689657165) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.