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DR. NICHOLAS JOHN THANOS M.D.
NPI 1427088194
Obstetrics & Gynecology in Fullerton, CA

Active since July 05, 2006PECOS Enrolled
2262 N STATE COLLEGE BLVD, FULLERTON, CA 92831(714) 990-2900(714) 990-3133 Get Directions Write a Review

NPPES record last updated: February 27, 2014. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Nicholas John Thanos M.d. NPPES

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

DR. NICHOLAS JOHN THANOS M.D. (NPI 1427088194) is an individual obstetrics & gynecology provider in Fullerton, California, licensed in California (G35873) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427088194
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. NICHOLAS JOHN THANOSCredential: M.D.
Location Address2262 N STATE COLLEGE BLVDFullerton, CA 92831-1361
Mailing Address2262 N State College BlvdFullerton, CA 92831-1361 · (714) 990-2900 · Fax (714) 990-3133
Phone(714) 990-2900
Fax(714) 990-3133
Sole ProprietorNo
Enumeration DateJuly 5, 2006
Last NPPES UpdateFebruary 27, 2014
✔ NPI 1427088194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G35873
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
2262 N STATE COLLEGE BLVD, Fullerton, CA 92831
Open in Google Maps ↗

Other Identifiers 5

OtherDL109ZCA · Medicare Ptan
Medicare UPINA46506
Medicaid00G358730CA
OtherG35873CA · Medical License Number
Medicare ID-Type UnspecifiedWG35873AProvider Number

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nicholas John Thanos 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 Reassignment

Medicare enrollment records show Nicholas Thanos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Center For Women's Health
Same address
Obstetrics & Gynecology
2262 N STATE COLLEGE BLVD
Fullerton, CA 92831
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Center For Womens Health
  • 2 clinicians in this Medicare group
NPI 1124202593 (714) 990-2900

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 92831 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 4

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

VASILIKI TATSIS MD
Obstetrics & Gynecology
2262 N STATE COLLEGE BLVD
FULLERTON, CA 92831
Orange County (714) 990-2900
DR. JERALD JOHN THANOS M.D.
Obstetrics & Gynecology
2262 N STATE COLLEGE BLVD
FULLERTON, CA 92831
Orange County (714) 990-2900
CENTER FOR WOMEN'S HEALTH
Obstetrics & Gynecology
2262 N STATE COLLEGE BLVD
FULLERTON, CA 92831
Orange County (714) 990-2900
JANEEN D HENDERSON CNP
Nurse Practitioner (Women's Health)
2262 N STATE COLLEGE BLVD
FULLERTON, CA 92831
Orange County (714) 990-2900

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 Nicholas Thanos's NPI number?

The NPI number for Nicholas Thanos is 1427088194. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Nicholas Thanos located?

Nicholas Thanos practices at 2262 N State College Blvd, Fullerton, CA 92831. The listed phone number is (714) 990-2900.

What is Nicholas Thanos's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nicholas Thanos enrolled in Medicare?

Yes. Nicholas Thanos is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Thanos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Thanos reassigns Medicare benefits to Center For Women's Health (Fullerton, CA). The 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 Nicholas Thanos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicholas Thanos was last updated on February 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.