SARA KREMER-START LMSW
NPI 1346787983
Social Worker in Grand Rapids, MI

Q: What is Sara Kremer-start's NPI number?

The NPI number for Sara Kremer-start is 1346787983. It was assigned to this individual provider in the NPPES registry on January 20, 2017.

Q: What is Sara Kremer-start's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Sara Kremer-start was last updated on April 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since January 20, 2017PECOS EnrolledAccepts Medicare Assignment

750 FRONT AVE NW STE 311, GRAND RAPIDS, MI 49504(616) 459-8971(616) 459-2361 Get Directions Write a Review

NPPES record last updated: April 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2019, Mar 3, 2017, Jan 20, 2017 (3 updates tracked since 2017).

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About Sara Kremer-start Lmsw NPPES

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

SARA KREMER-START LMSW (NPI 1346787983) is an individual social worker in Grand Rapids, Michigan, licensed in Michigan (6801093978) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Grand Rapids, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1346787983

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameSARA KREMER-STARTCredential: LMSW

Location Address750 FRONT AVE NW STE 311Grand Rapids, MI 49504-4400

Mailing AddressPo Box 150068Grand Rapids, MI 49515-0068 · (616) 460-0711

Phone(616) 459-8971

Fax(616) 459-2361

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateJanuary 20, 2017

Last NPPES UpdateApril 25, 20233 updates tracked since enumeration

NPPES CertifiedApril 25, 2023

✔ NPI 1346787983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in MI · 6801093978

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

750 FRONT AVE NW STE 311, Grand Rapids, MI 49504

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Secondary Practice Location 1

Location 12750 E Beltline Ave NEGrand Rapids, MI 49525-8614 · Phone (616) 391-7800

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Sara Kremer-start Lmsw 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.

PECOS PAC ID648590133

PECOS Enrollment IDI20170213000420

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sara Kremer-start reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sara Kremer-Start, Lmsw, LLC

Same address

Clinical

750 FRONT AVE NW STE 311
Grand Rapids, MI 49504

Reassigned Medicare billing, Michigan enrollment

NPI 1023693058 (616) 459-8971

Kremer, PC

Same address

Clinical

750 FRONT AVE NW, SUITE 311
Grand Rapids, MI 49504

Reassigned Medicare billing, Michigan enrollment
2 clinicians in this Medicare group

NPI 1033231923 (616) 459-8971

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

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARA KREMER-START, LMSW, LLC

Social Worker (Clinical)

750 FRONT AVE NW STE 311
GRAND RAPIDS, MI 49504

Kent County (616) 459-8971

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 Sara Kremer-start's NPI number?

The NPI number for Sara Kremer-start is 1346787983. It was assigned to this individual provider in the NPPES registry on January 20, 2017.

Where is Sara Kremer-start located?

Sara Kremer-start practices at 750 Front Ave NW Ste 311, Grand Rapids, MI 49504. The listed phone number is (616) 459-8971.

What is Sara Kremer-start's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Sara Kremer-start enrolled in Medicare?

Yes. Sara Kremer-start 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 Sara Kremer-start's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Kremer-start reassigns Medicare benefits to 2 organizations: Sara Kremer-Start, Lmsw, LLC (Grand Rapids, MI) and Kremer, PC (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 Sara Kremer-start's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Kremer-start accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Sara Kremer-start 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 Sara Kremer-start was last updated on April 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.