THERESA ESTIPHAN MD
NPI 1871957118
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Ann Arbor, MI

Active since April 13, 2016PECOS Enrolled
1500 E MEDICAL CTR DR, ANN ARBOR, MI 48109(734) 936-5000 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2026, Sep 17, 2024, Sep 11, 2024 and 1 more (4 updates tracked since 2023).

About Theresa Estiphan Md NPPES

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

THERESA ESTIPHAN MD (NPI 1871957118) is an individual neurology with special qualifications in child neurology provider in Ann Arbor, Michigan, licensed in Michigan (4301506188) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1871957118
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameTHERESA ESTIPHANCredential: MD
Location Address1500 E MEDICAL CTR DRAnn Arbor, MI 48109-5000
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Enumeration DateApril 13, 2016
Last NPPES UpdateMay 5, 20264 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1871957118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in MI · 4301506188
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
1500 E MEDICAL CTR DR, Ann Arbor, MI 48109

Secondary Practice Locations 2

Location 1804 Service Rd Ste A217East Lansing, MI 48824-7015 · Phone (517) 353-8122 · Fax (517) 432-3713
Location 21919 E Thomas RdPhoenix, AZ 85016-7710 · Phone (602) 933-1000

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)

Theresa Estiphan 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

3

Medicare enrollment records show Theresa Estiphan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nephrology
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
  • Reassigned Medicare billing, Michigan enrollment
  • 2,377 clinicians in this Medicare group
Emergency Medicine
800 E COLUMBIA ST
Mason, MI 48854
  • Reassigned Medicare billing, Michigan enrollment
  • 916 clinicians in this Medicare group
Pediatrics
1600 W GRAND RIVER AVE STE 2
Okemos, MI 48864
  • Reassigned Medicare billing, Michigan enrollment
  • 365 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 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
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 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Nurse Practitioner
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Physical Therapist
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Dentist
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Student in an Organized Health Care Education/Training Program
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Physical Therapist
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Nurse Practitioner (Psychiatric/Mental Health)
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109
Physical Therapist
1500 E MEDICAL CTR DR
ANN ARBOR, MI 48109

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 Theresa Estiphan's NPI number?

The NPI number for Theresa Estiphan is 1871957118. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is Theresa Estiphan located?

Theresa Estiphan practices at 1500 E Medical Ctr Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-5000.

What is Theresa Estiphan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Theresa Estiphan enrolled in Medicare?

Yes. Theresa Estiphan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Theresa Estiphan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Estiphan reassigns Medicare benefits to 3 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), Edward W. Sparrow Hospital Association (Mason, MI) and Msu Health Care Inc (Okemos, 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 Theresa Estiphan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Estiphan 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 Theresa Estiphan 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 Theresa Estiphan was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.