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KREMER, PC
NPI 1033231923
Social Worker - Clinical in Grand Rapids, MI

Active since April 04, 2007
750 FRONT AVE NW, SUITE 311, GRAND RAPIDS, MI 49504(616) 459-8971(616) 459-2361 Get Directions Write a Review

NPPES record last updated: April 24, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Kremer, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KREMER, PC (NPI 1033231923), doing business as Edwin F. Kremer, Phd, Pc, is a healthcare organization registered as a clinical in Grand Rapids, Michigan and active in the NPI registry since April 2007. The organization lists Sara Kremer-start, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1033231923
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameKREMER, PC
Location Address750 FRONT AVE NW, SUITE 311Grand Rapids, MI 49504-4400
Mailing Address750 Front Ave Nw, Suite 311Grand Rapids, MI 49504-4400 · (616) 459-8971 · Fax (616) 459-2361
Phone(616) 459-8971
Fax(616) 459-2361
Organization SubpartNo
Authorized OfficialSara Kremer-startOffice Manager · (616) 459-8971
Enumeration DateApril 4, 2007
Last NPPES UpdateApril 24, 2015
✔ NPI 1033231923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MI · 6801070616
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
750 FRONT AVE NW, Grand Rapids, MI 49504
Open in Google Maps ↗

Other Names 1

Former Legal Business NameEdwin F. Kremer, Phd, Pc

Other Identifiers 4

Other0D14590MI · Blue Cross Blue Shield
Other716836000MI · Magellan
Medicare UPINR67354
Other680004805Railroad Medicare

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kremer, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Kremer, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Ann Kremer, L.M.S.W., A.C.S.W.
Clinical Social Worker
NPI 1609998517
750 FRONT AVE NW SUITE 311
Grand Rapids, MI 49504
(616) 459-8971
✔ PECOS✔ Accepts MedicareSame address
Sara Kremer-Start, LMSW
Clinical Social Worker
NPI 1346787983
750 FRONT AVE NW STE 311
Grand Rapids, MI 49504
(616) 459-8971
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kremer, PC's NPI number?

The NPI number for Kremer, PC is 1033231923. It was assigned to this organization in the NPPES registry on April 4, 2007. The provider was formerly known as Edwin F. Kremer, Phd, PC.

Where is Kremer, PC located?

Kremer, PC is located at 750 Front Ave NW Suite 311, Grand Rapids, MI 49504. The listed phone number is (616) 459-8971.

What is Kremer, PC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Kremer, PC enrolled in Medicare?

Yes. Kremer, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kremer, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Clinical Social Worker, reassign their Medicare billing to Kremer, PC. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Kremer, PC accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Kremer, PC 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.

When was this NPI record last updated?

The NPPES record for Kremer, PC was last updated on April 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.