Harmonic Medical Group of Michigan, P.C
NPI 1639931553 · Geriatric Medicine (Family Medicine) Physician · Plymouth, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harmonic Medical Group of Michigan, P.C is a Geriatric Medicine (Family Medicine) Physician organization in Plymouth, MI (NPI 1639931553).
Provider details
- NPI number
- 1639931553
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Gera, Chief Executive Office(314) 368-4224
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Gerontology Nurse Practitioner363LG0600X
Physician Assistants & Advanced Practice Nursing Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
- Registered Nurse163W00000X
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-01-25
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Harmonic Medical Group of Michigan, P.C's NPI number?
- Harmonic Medical Group of Michigan, P.C's National Provider Identifier (NPI) is 1639931553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harmonic Medical Group of Michigan, P.C?
- Harmonic Medical Group of Michigan, P.C is classified in the NPPES registry as Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Harmonic Medical Group of Michigan, P.C located?
- Harmonic Medical Group of Michigan, P.C's practice location on file with NPPES is 186 N Main St Fl 2, Plymouth, MI 48170-1236.
- What is Harmonic Medical Group of Michigan, P.C's phone number?
- The practice phone number listed in the NPPES registry for Harmonic Medical Group of Michigan, P.C is (862) 375-6089.
- Does Harmonic Medical Group of Michigan, P.C accept Medicare?
- Harmonic Medical Group of Michigan, 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 Harmonic Medical Group of Michigan, P.C?
- The authorized official listed on Harmonic Medical Group of Michigan, P.C's NPPES record is James Gera, Chief Executive Office. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harmonic Medical Group of Michigan, P.C's NPI active?
- Yes — Harmonic Medical Group of Michigan, P.C's NPI (1639931553) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.