Commerce Internal Medicine, P.C.
NPI 1730139684 · Internal Medicine Physician · Commerce Twp, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Commerce Internal Medicine, P.C. is a Internal Medicine Physician organization in Commerce Twp, MI (NPI 1730139684).
Provider details
- NPI number
- 1730139684
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Norman Markowitz, Physician(248) 363-1500
- License
- 4301072948 (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
20 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
- 2006-05-11
- Last updated
- 2007-11-21
Frequently asked questions
- What is Commerce Internal Medicine, P.C.'s NPI number?
- Commerce Internal Medicine, P.C.'s National Provider Identifier (NPI) is 1730139684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Commerce Internal Medicine, P.C.?
- Commerce Internal Medicine, P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Commerce Internal Medicine, P.C. located?
- Commerce Internal Medicine, P.C.'s practice location on file with NPPES is 9640 Commerce Rd, Commerce Twp, MI 48382-4166.
- What is Commerce Internal Medicine, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Commerce Internal Medicine, P.C. is (248) 363-1500.
- Does Commerce Internal Medicine, P.C. accept Medicare?
- Commerce Internal Medicine, P.C. 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 Commerce Internal Medicine, P.C.?
- The authorized official listed on Commerce Internal Medicine, P.C.'s NPPES record is Norman Markowitz, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Commerce Internal Medicine, P.C.'s NPI active?
- Yes — Commerce Internal Medicine, P.C.'s NPI (1730139684) is active in the NPPES registry as of the last update on 2007-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.