Peter Sices, MD
NPI 1245212893 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Sices, MD is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1245212893).
Provider details
- NPI number
- 1245212893
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01053431A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2005-11-18
- Last updated
- 2015-02-18
Frequently asked questions
- What is Peter Sices's NPI number?
- Peter Sices's National Provider Identifier (NPI) is 1245212893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Sices's specialty?
- Peter Sices is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Sices located?
- Peter Sices's practice location on file with NPPES is 235 Wealthy St Se, Grand Rapids, MI 49503-5247.
- What is Peter Sices's phone number?
- The practice phone number listed in the NPPES registry for Peter Sices is (734) 793-6140.
- Does Peter Sices accept Medicare?
- Peter Sices is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Sices's NPI active?
- Yes — Peter Sices's NPI (1245212893) is active in the NPPES registry as of the last update on 2015-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.