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CHRISTOPHER RYAN ARNOS M.D.
NPI 1386931319
Pediatrics in Grand Rapids, MI

Active since June 28, 2011PECOS Enrolled
100 MICHIGAN ST NE, MC #13, GRAND RAPIDS, MI 49503(616) 267-0073 Get Directions Write a Review

NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christopher Ryan Arnos M.d. NPPES

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

CHRISTOPHER RYAN ARNOS M.D. (NPI 1386931319) is an individual pediatrics provider in Grand Rapids, Michigan, licensed in Michigan (4301099231) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386931319
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameCHRISTOPHER RYAN ARNOSCredential: M.D.
Location Address100 MICHIGAN ST NE, MC #13Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Phone(616) 267-0073
Sole ProprietorNo
Enumeration DateJune 28, 2011
Last NPPES UpdateFebruary 24, 2021
NPPES CertifiedFebruary 24, 2021
✔ NPI 1386931319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MI · 4301099231
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
100 MICHIGAN ST NE, Grand Rapids, MI 49503
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christopher Ryan Arnos M.d. 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 Billing Reassignments

2

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

Spectrum Health Primary Care Partners
0.1 mi
Pediatric Endocrinology
35 MICHIGAN ST NE STE 1800
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1326599671 (616) 391-3933
Spectrum Health United
24 mi
Rural Health
1202 W OAK ST
Greenville, MI 48838
  • Reassigned Medicare billing, Michigan enrollment
  • 242 clinicians in this Medicare group
NPI 1538436852 (616) 754-2944

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

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 Christopher Arnos's NPI number?

The NPI number for Christopher Arnos is 1386931319. It was assigned to this individual provider in the NPPES registry on June 28, 2011.

Where is Christopher Arnos located?

Christopher Arnos practices at 100 Michigan St NE Mc #13, Grand Rapids, MI 49503. The listed phone number is (616) 267-0073.

What is Christopher Arnos's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Christopher Arnos enrolled in Medicare?

Yes. Christopher Arnos is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christopher Arnos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Arnos reassigns Medicare benefits to 2 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI) and Spectrum Health United (Greenville, 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 Christopher Arnos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Arnos accept?

Health plans from Priority Health list Christopher Arnos 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 Christopher Arnos was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.