RILEY KAISER
NPI 1881335891
Family Medicine in Grand Rapids, MI

Q: What is Riley Kaiser's NPI number?

The NPI number for Riley Kaiser is 1881335891. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Q: What is Riley Kaiser's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Riley Kaiser was last updated on December 5, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment

300 LAFAYETTE AVE SE STE 4000, GRAND RAPIDS, MI 49503(616) 685-6922 Get Directions Write a Review

NPPES record last updated: December 5, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 5, 2022, Apr 5, 2022 (2 updates tracked since 2022).

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About Riley Kaiser NPPES

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

RILEY KAISER (NPI 1881335891) is an individual family medicine provider in Grand Rapids, Michigan, licensed in Michigan (4351049052) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Wayne State University School Of Medicine (2022).

NPPES Registry Identity

NPI1881335891

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameRILEY KAISER

Location Address300 LAFAYETTE AVE SE STE 4000Grand Rapids, MI 49503-4692

Mailing Address200 Jefferson Ave Se Ste 305Grand Rapids, MI 49503-4502 · (616) 685-6874

Phone(616) 685-6922

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 2022

Enumeration DateApril 5, 2022

Last NPPES UpdateDecember 5, 20222 updates tracked since enumeration

NPPES CertifiedDecember 5, 2022

✔ NPI 1881335891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MI · 4351049052

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

300 LAFAYETTE AVE SE STE 4000, Grand Rapids, MI 49503

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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, Oscar Insurance Company and more.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

Riley Kaiser 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 ID2860871167

PECOS Enrollment IDI20250804002249

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.

Hospital Affiliations CMS Care Compare

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

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number230059

Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · 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.

TARAJO HANRAHAN MD

Family Medicine