GERALDINE CAWAH CHAN MD
NPI 1962025320
Pediatrics in Ann Arbor, MI

Active since May 20, 2020PECOS Enrolled
400 E EISENHOWER PKWY, ANN ARBOR, MI 48108(734) 539-5080 Get Directions Write a Review

NPPES record last updated: July 13, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 13, 2023, May 20, 2020 (2 updates tracked since 2020).

About Geraldine Cawah Chan Md NPPES

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

GERALDINE CAWAH CHAN MD (NPI 1962025320) is an individual pediatrics provider in Ann Arbor, Michigan, licensed in Michigan (4301509214) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Brighton.

NPPES Registry Identity

NPI1962025320
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameGERALDINE CAWAH CHANCredential: MD
Location Address400 E EISENHOWER PKWYAnn Arbor, MI 48108-3302
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Enumeration DateMay 20, 2020
Last NPPES UpdateJuly 13, 20232 updates tracked since enumeration
NPPES CertifiedJuly 13, 2023
✔ NPI 1962025320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MI · 4301509214
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.
400 E EISENHOWER PKWY, Ann Arbor, MI 48108

Secondary Practice Location 1

Location 18001 Challis RdBrighton, MI 48116-7446 · Phone (810) 227-9510

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Geraldine Cawah Chan 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 Billing Reassignments

2

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

Primary Podiatric Medicine
400 E EISENHOWER PKWY, SUITE B
Ann Arbor, MI 48108
  • Reassigned Medicare billing, Michigan enrollment
  • 2,377 clinicians in this Medicare group
Physical Therapist
800 5TH AVE STE P100
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 663 clinicians in this Medicare group

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 48108 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Obstetrics & Gynecology
400 E EISENHOWER PKWY, SUITE B
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY, SUITE B
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY, STE B
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY
ANN ARBOR, MI 48108
Obstetrics & Gynecology
400 E EISENHOWER PKWY
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY
ANN ARBOR, MI 48108
Pediatrics
400 E EISENHOWER PKWY, STE B
ANN ARBOR, MI 48108

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 Geraldine Chan's NPI number?

The NPI number for Geraldine Chan is 1962025320. It was assigned to this individual provider in the NPPES registry on May 20, 2020.

Where is Geraldine Chan located?

Geraldine Chan practices at 400 E Eisenhower Pkwy, Ann Arbor, MI 48108. The listed phone number is (734) 539-5080.

What is Geraldine Chan's specialty?

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

Is Geraldine Chan enrolled in Medicare?

Yes. Geraldine Chan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Geraldine Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Geraldine Chan reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and Swedish Health Services (Seattle, WA). 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 Geraldine Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Geraldine Chan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Geraldine Chan 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 Geraldine Chan was last updated on July 13, 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.