Jennifer Iyengar, MD
NPI 1447513064 · Endocrinology, Diabetes & Metabolism Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Iyengar, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Ann Arbor, MI (NPI 1447513064).
Provider details
- NPI number
- 1447513064
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301100499 (MI)
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
14 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
309 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 | 83 | $98 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 62 | $35 |
| 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 | 53 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 52 | $79 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $146 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 155 | 45 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 118 | 42 |
| Metformin Hcl | 105 | 32 |
| Semaglutidebrand: Ozempic | 79 | 20 |
| Atorvastatin Calcium | 71 | 22 |
| Insulin Aspartbrand: Novolog Flexpen | 71 | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-19
- Last updated
- 2020-07-09
- Certified
- 2020-07-09
Frequently asked questions
- What is Jennifer Iyengar's NPI number?
- Jennifer Iyengar's National Provider Identifier (NPI) is 1447513064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Iyengar's specialty?
- Jennifer Iyengar is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Iyengar located?
- Jennifer Iyengar's practice location on file with NPPES is 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105-9484.
- What is Jennifer Iyengar's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Iyengar is (734) 647-5871.
- Does Jennifer Iyengar accept Medicare?
- Jennifer Iyengar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Iyengar's NPI active?
- Yes — Jennifer Iyengar's NPI (1447513064) is active in the NPPES registry as of the last update on 2020-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.