James Heinsimer, MD
NPI 1861468316 · Cardiovascular Disease Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Heinsimer, MD is a Cardiovascular Disease Physician provider in Royal Oak, MI (NPI 1861468316).
Provider details
- NPI number
- 1861468316
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301049901 (MI)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
425 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 230 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 113 | $67 |
| Ultrasound of Heart, Follow-Up93308 | 42 | $24 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $178 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $129 |
Typical Medicare-allowed amounts for these services range $8–$178 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 12 |
| Metoprolol Succinate | 53 | 14 |
| Rosuvastatin Calcium | 34 | — |
| Ezetimibe | 30 | — |
| Amlodipine Besylate | 25 | — |
| Apixabanbrand: Eliquis | 21 | — |
| Nitroglycerin | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-24
- Last updated
- 2020-11-30
- Certified
- 2020-11-30
Frequently asked questions
- What is James Heinsimer's NPI number?
- James Heinsimer's National Provider Identifier (NPI) is 1861468316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Heinsimer's specialty?
- James Heinsimer is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Heinsimer located?
- James Heinsimer's practice location on file with NPPES is 3535 W 13 Mile Rd Ste 504, Royal Oak, MI 48073-6770.
- What is James Heinsimer's phone number?
- The practice phone number listed in the NPPES registry for James Heinsimer is (248) 551-0066.
- Does James Heinsimer accept Medicare?
- James Heinsimer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Heinsimer's NPI active?
- Yes — James Heinsimer's NPI (1861468316) is active in the NPPES registry as of the last update on 2020-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.