SARA L KOSTER FNP-BC
NPI 1740575877
Nurse Practitioner - Family in Grand Rapids, MI

Q: What is Sara Koster's NPI number?

The NPI number for Sara Koster is 1740575877. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Q: What is Sara Koster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Sara Koster was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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 June 16, 2011PECOS EnrolledAccepts Medicare Assignment

100 MICHIGAN ST NE, GRAND RAPIDS, MI 49503(616) 391-1680 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Sara L Koster Fnp-bc NPPES

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

SARA L KOSTER FNP-BC (NPI 1740575877) is an individual family provider in Grand Rapids, Michigan, licensed in Michigan (4704169831) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health - West, and maintains a secondary practice location in Grand Rapids.

NPPES Registry Identity

NPI1740575877

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameSARA L KOSTERCredential: FNP-BC

Location Address100 MICHIGAN ST NEGrand Rapids, MI 49503-2560

Mailing Address2537 Momentum PlChicago, IL 60689-5325 · (616) 975-1845 · Fax (616) 285-0846

Phone(616) 391-1680

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateJune 16, 2011

Last NPPES UpdateMarch 26, 2026

NPPES CertifiedMarch 26, 2026

✔ NPI 1740575877 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MI · 4704169831

Also ListedNurse PractitionerTaxonomy 363L00000X · License 4704169831 (MI)

100 MICHIGAN ST NE, Grand Rapids, MI 49503

Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 68th St SEGrand Rapids, MI 49548-6927 · Phone (616) 455-5000 · Fax (616) 455-5960

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sara L Koster Fnp-bc 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 ID9830368745

PECOS Enrollment IDI20110810000652

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.

Areas of Expertise CMS Part B claims 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

61 services54 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

19 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

12 services12 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Michigan Health - West

Acute Care Hospitals · Wyoming, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230236

Location5900 Byron Center Avenue, SWWyoming, MI 49519 · Kent County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.74 typical visit price

range $54.34 – $166.68

Typical copayment $21.18 (range $13.58 – $41.67)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MAUREEN TAN PEDRES M.D.

Internal Medicine

100 MICHIGAN ST NE, SUITE A721
GRAND RAPIDS, MI 49503

Kent County (616) 391-3139

MATTHEW H ARMSTRONG MD

Anesthesiology

100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503

Kent County (616) 391-1510

ALINE DE QUADROS TEIXEIRA MD

Internal Medicine

100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503

Kent County (616) 391-3139

DR. LINDSEY DANIELLE CONRADO PT, DPT

Physical Therapist

100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503

Kent County (161) 639-1177

DANIEL H. ROBINSON D.O.

Anesthesiology

100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503

Kent County (616) 391-1510

MARK GREENWOOD DO

Emergency Medicine

100 MICHIGAN ST NE, MC 71
GRAND RAPIDS, MI 49503

Kent County (616) 391-5310

RAYMOND SCUREK MD

Emergency Medicine

100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503

Kent County (616) 391-1680

MRS. RACHEL LEIGH VANSTRIEN PA-C

Physician Assistant

100 MICHIGAN ST NE, SUITE 8861
GRAND RAPIDS, MI 49503

Kent County (616) 391-0800

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 Koster's NPI number?

The NPI number for Sara Koster is 1740575877. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Where is Sara Koster located?

Sara Koster practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-1680.

What is Sara Koster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sara Koster enrolled in Medicare?

Yes. Sara Koster 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.

What insurance does Sara Koster accept?

Health plans from Priority Health list Sara Koster 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 Sara Koster affiliated with any hospitals?

According to CMS data, Sara Koster is affiliated with University Of Michigan Health - West.

When was this NPI record last updated?

The NPPES record for Sara Koster was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.