Jennifer Carnahan, MD
NPI 1578706099 · Geriatric Medicine (Internal Medicine) Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Carnahan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Indianapolis, IN (NPI 1578706099).
Provider details
- NPI number
- 1578706099
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 55809 (WI)
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
17 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
73 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 | 37 | $90 |
| 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 | 36 | $15 |
Typical Medicare-allowed amounts for these services range $15–$90 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 136 | 33 |
| Metoprolol Succinate | 114 | 23 |
| Amlodipine Besylate | 65 | 21 |
| Trazodone Hcl | 58 | — |
| Lisinopril | 57 | 13 |
| Losartan Potassium | 55 | 15 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 720 Eskenazi AveIndianapolis, IN 46202-5187Phone: (317) 880-7666
Registry dates
- Enumerated
- 2009-04-14
- Last updated
- 2025-07-29
- Certified
- 2025-07-29
Frequently asked questions
- What is Jennifer Carnahan's NPI number?
- Jennifer Carnahan's National Provider Identifier (NPI) is 1578706099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Carnahan's specialty?
- Jennifer Carnahan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Carnahan located?
- Jennifer Carnahan's practice location on file with NPPES is 541 Clinical Dr # Cl630, Indianapolis, IN 46202-5233.
- What is Jennifer Carnahan's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Carnahan is (317) 278-2694.
- Does Jennifer Carnahan accept Medicare?
- Jennifer Carnahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Carnahan's NPI active?
- Yes — Jennifer Carnahan's NPI (1578706099) is active in the NPPES registry as of the last update on 2025-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.