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DR. GREGORY TODD THIER MD
NPI 1922088558
Family Medicine in Anaheim, CA

Active since January 19, 2006PECOS Enrolled
1038 S SUNSTREAM LN, ANAHEIM, CA 92808(843) 540-3114 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gregory Todd Thier Md NPPES

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

DR. GREGORY TODD THIER MD (NPI 1922088558) is an individual family medicine provider in Anaheim, California, licensed in California (A65305) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922088558
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GREGORY TODD THIERCredential: MD
Location Address1038 S SUNSTREAM LNAnaheim, CA 92808-2517
Mailing Address1038 S Sunstream LnAnaheim, CA 92808-2517
Phone(843) 540-3114
Sole ProprietorNo
Enumeration DateJanuary 19, 2006
Last NPPES UpdateOctober 23, 2025
NPPES CertifiedOctober 23, 2025
✔ NPI 1922088558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A65305
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.
1038 S SUNSTREAM LN, Anaheim, CA 92808
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Todd Thier 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92808 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Gregory Thier's NPI number?

The NPI number for Gregory Thier is 1922088558. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Where is Gregory Thier located?

Gregory Thier practices at 1038 S Sunstream Ln, Anaheim, CA 92808. The listed phone number is (843) 540-3114.

What is Gregory Thier's specialty?

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

Is Gregory Thier enrolled in Medicare?

Yes. Gregory Thier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Thier was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.