PATRICIA ANNE PENTIAK MD
NPI 1083877120
Surgery - Surgical Critical Care in Grand Rapids, MI
About Patricia Anne Pentiak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA ANNE PENTIAK MD (NPI 1083877120) is an individual surgical critical care provider in Grand Rapids, Michigan, licensed in Michigan (4301092852) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Wayne State University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Patricia Anne Pentiak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Patricia Pentiak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 405 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Pennock Hospital
Critical Access Hospitals · Hastings, MIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Patricia Pentiak's NPI number?
The NPI number for Patricia Pentiak is 1083877120. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Patricia Pentiak located?
Patricia Pentiak practices at 221 Michign St NE Ste 400, Grand Rapids, MI 49503. The listed phone number is (616) 486-9600.
What is Patricia Pentiak's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Patricia Pentiak enrolled in Medicare?
Yes. Patricia Pentiak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Patricia Pentiak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Pentiak reassigns Medicare benefits to 2 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI) and Spectrum Health Hospitals (Grand Rapids, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patricia Pentiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Pentiak accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Patricia Pentiak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Patricia Pentiak affiliated with any hospitals?
According to CMS data, Patricia Pentiak is affiliated with Spectrum Health and Corewell Health Pennock Hospital.
When was this NPI record last updated?
The NPPES record for Patricia Pentiak was last updated on February 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Patricia Anne Pentiak, MD · NPI 1083877120
Surgical Critical Care physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since July 9, 2008.
## Identity
- **NPI:** 1083877120 (Entity type: Individual)
- **Enumerated:** July 9, 2008
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** 4301092852 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 221 MICHIGN ST NE STE 400, Grand Rapids, MI 49503-2538
- **Phone:** (616) 486-9600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Spectrum Health Primary Care Partners (NPI 1689499667, Grand Rapids, MI); Spectrum Health Hospitals (NPI 1558407189, Grand Rapids, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** February 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1083877120) · Data from the CMS NPPES public registry.