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JAMES B FAHNER MD
NPI 1245201383
Pediatrics - Pediatric Hematology-Oncology in Grand Rapids, MI

Active since January 27, 2006PECOS Enrolled
86.44/100
CMS Quality Rating
100 MICHIGAN ST NE, MC 85, GRAND RAPIDS, MI 49503(616) 391-2653(616) 391-8873 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 8, 2026, Mar 8, 2021 (2 updates tracked since 2021).

About James B Fahner Md NPPES

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

JAMES B FAHNER MD (NPI 1245201383) is an individual pediatric hematology-oncology provider in Grand Rapids, Michigan, licensed in Michigan (4301049486) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245201383
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameJAMES B FAHNERCredential: MD
Location Address100 MICHIGAN ST NE, MC 85Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne, Mc 85Grand Rapids, MI 49503-2560
Phone(616) 391-2653
Fax(616) 391-8873
Sole ProprietorNo
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJanuary 8, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1245201383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MI · 4301049486
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
100 MICHIGAN ST NE, Grand Rapids, MI 49503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include McLaren Health Plan Community, 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 (PECOS)

James B Fahner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 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.

86.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.93
Promoting Interoperability100
Improvement Activities40
Cost41.91

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 James Fahner's NPI number?

The NPI number for James Fahner is 1245201383. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is James Fahner located?

James Fahner practices at 100 Michigan St NE Mc 85, Grand Rapids, MI 49503. The listed phone number is (616) 391-2653.

What is James Fahner's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is James Fahner enrolled in Medicare?

Yes. James Fahner is registered in the Medicare PECOS enrollment system.

What insurance does James Fahner accept?

Health plans from McLaren Health Plan Community and Priority Health list James Fahner 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 James Fahner was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.