James Heinsimer MD PC
NPI 1124214952 · Cardiovascular Disease Physician · Royal Oak, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Heinsimer MD PC is a Cardiovascular Disease Physician organization in Royal Oak, MI (NPI 1124214952).
Provider details
- NPI number
- 1124214952
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Heinsimer, Owner(248) 551-0066
- License
- JH049901 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-14
- Last updated
- 2007-10-11
Frequently asked questions
- What is James Heinsimer MD PC's NPI number?
- James Heinsimer MD PC's National Provider Identifier (NPI) is 1124214952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James Heinsimer MD PC?
- James Heinsimer MD PC is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Heinsimer MD PC located?
- James Heinsimer MD PC's practice location on file with NPPES is 3535 W 13 Mile Rd Ste 208, Royal Oak, MI 48073-6770.
- What is James Heinsimer MD PC's phone number?
- The practice phone number listed in the NPPES registry for James Heinsimer MD PC is (248) 551-0066.
- Does James Heinsimer MD PC accept Medicare?
- James Heinsimer MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for James Heinsimer MD PC?
- The authorized official listed on James Heinsimer MD PC's NPPES record is James Heinsimer, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James Heinsimer MD PC's NPI active?
- Yes — James Heinsimer MD PC's NPI (1124214952) is active in the NPPES registry as of the last update on 2007-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.