1. Home
  2. Directory
  3. Michigan
  4. Grand Rapids
  5. Orthopaedic Surgery
  6. NPI Profile

DR. MATTHEW KAREK M.D.
NPI 1861620718
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Grand Rapids, MI

Active since June 30, 2009PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1900 WEALTHY ST SE STE 300, GRAND RAPIDS, MI 49506(616) 774-8345(616) 774-8350 Get Directions Write a Review

NPPES record last updated: May 23, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2023, Feb 24, 2021 (2 updates tracked since 2021).

About Dr. Matthew Karek M.d. NPPES

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

DR. MATTHEW KAREK M.D. (NPI 1861620718) is an individual orthopaedic surgery of the spine provider in Grand Rapids, Michigan, licensed in Michigan (4301094990) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Michigan State University College Of Human Medicine (2009).

NPPES Registry Identity

NPI1861620718
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameDR. MATTHEW KAREKCredential: M.D.
Location Address1900 WEALTHY ST SE STE 300Grand Rapids, MI 49506-2969
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560 · (616) 486-6790 · Fax (616) 486-6702
Phone(616) 774-8345
Fax(616) 774-8350
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2009
Enumeration DateJune 30, 2009
Last NPPES UpdateMay 23, 20232 updates tracked since enumeration
NPPES CertifiedMay 23, 2023
✔ NPI 1861620718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in MI · 4301094990
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 4301094990 (MI)
1900 WEALTHY ST SE STE 300, Grand Rapids, MI 49506
Open in Google Maps ↗

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

Dr. Matthew Karek M.d. 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 ID345460382
PECOS Enrollment IDI20150713001172
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 Reassignment

Medicare enrollment records show Matthew Karek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Spectrum Health Primary Care Partners
Same address
Internal Medicine
1840 WEALTHY ST SE
Grand Rapids, MI 49506
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1235188673 (616) 486-6793

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 6

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
44 services42 patients
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.
35 services32 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.
21 services21 patients
Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853
Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.
19 services12 patients
Computer-assisted spinal procedure 61783
A computer-assisted spinal procedure is a surgical technique that uses computer technology for improved precision. It involves creating a 3D image of your spine to guide the surgeon during the operation. This method enhances accuracy, reduces risk, and promotes quicker recovery.
13 services13 patients
Placement of stabilizing device to back, 3-6 spine bone segments 22842
This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Corewell Health Big Rapids Hospital

Acute Care Hospitals · Big Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230093
Location605 Oak StreetBig Rapids, MI 49307 · Mecosta County
Emergency services Birthing friendly

Corewell Health Ludington Hospital

Acute Care Hospitals · Ludington, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230110
LocationOne N Atkinson DriveLudington, MI 49431 · Mason County
Emergency services Birthing friendly

Corewell Health Reed City Hospital

Critical Access Hospitals · Reed City, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231323
Location300 N Patterson, PO Box 75Reed City, MI 49677 · Osceola County
Emergency services

Medicare 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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

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.

DR. TAYLOR MARIE BLANK DNP, FNP-BC
Nurse Practitioner (Family)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
JOAN MARIE SULLIVAN PAC
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
MARY C LEEMPUTTE MD
Pain Medicine (Interventional Pain Medicine)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
TIMOTHY EDWARD HALPIN PA
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
RACHEL ELDERSVELD PA-C
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
NICHOLAS LESNAU PA
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
STEPHANIE ECKSTEIN PA-C
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 774-8345
JASON A. SQUIRES DO
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Kent County (616) 267-7293

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 Matthew Karek's NPI number?

The NPI number for Matthew Karek is 1861620718. It was assigned to this individual provider in the NPPES registry on June 30, 2009.

Where is Matthew Karek located?

Matthew Karek practices at 1900 Wealthy St SE Ste 300, Grand Rapids, MI 49506. The listed phone number is (616) 774-8345.

What is Matthew Karek's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Matthew Karek enrolled in Medicare?

Yes. Matthew Karek 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 organization bills Medicare for Matthew Karek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Karek reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The 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 Matthew Karek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Karek 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 Matthew Karek 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 Matthew Karek affiliated with any hospitals?

According to CMS data, Matthew Karek is affiliated with Spectrum Health, Corewell Health Big Rapids Hospital, Corewell Health Ludington Hospital and Corewell Health Reed City Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Karek was last updated on May 23, 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.