Grand Traverse Internists, PC
NPI 1578559365 · Internal Medicine Physician · Traverse City, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grand Traverse Internists, PC is a Internal Medicine Physician organization in Traverse City, MI (NPI 1578559365).
Provider details
- NPI number
- 1578559365
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Pacer, President(231) 935-0850
- License
- 4301047167 (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
- 2005-09-27
- Last updated
- 2011-02-18
Frequently asked questions
- What is Grand Traverse Internists, PC's NPI number?
- Grand Traverse Internists, PC's National Provider Identifier (NPI) is 1578559365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grand Traverse Internists, PC?
- Grand Traverse Internists, PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grand Traverse Internists, PC located?
- Grand Traverse Internists, PC's practice location on file with NPPES is 5015 N. Royal Drive, Traverse City, MI 49684.
- What is Grand Traverse Internists, PC's phone number?
- The practice phone number listed in the NPPES registry for Grand Traverse Internists, PC is (231) 935-0850.
- Does Grand Traverse Internists, PC accept Medicare?
- Grand Traverse Internists, 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 Grand Traverse Internists, PC?
- The authorized official listed on Grand Traverse Internists, PC's NPPES record is Robert Pacer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grand Traverse Internists, PC's NPI active?
- Yes — Grand Traverse Internists, PC's NPI (1578559365) is active in the NPPES registry as of the last update on 2011-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.