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DR. MARYANN NUESSE D.O.
NPI 1689633455
Family Medicine - Adult Medicine in Orange, CA

Active since March 21, 2006PECOS Enrolled
867 S TUSTIN ST, ORANGE, CA 92866(714) 771-1420(714) 771-6918 Get Directions Write a Review

NPPES record last updated: June 25, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Maryann Nuesse D.o. NPPES

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

DR. MARYANN NUESSE D.O. (NPI 1689633455) is an individual adult medicine provider in Orange, California, licensed in California (20A7305) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689633455
Entity TypeIndividualFemale
Primary Taxonomy207QA0505X
Provider Legal NameDR. MARYANN NUESSECredential: D.O.
Location Address867 S TUSTIN STOrange, CA 92866-3426
Mailing Address867 S Tustin StOrange, CA 92866-3426 · (714) 771-1420 · Fax (714) 771-6918
Phone(714) 771-1420
Fax(714) 771-6918
Sole ProprietorNo
Enumeration DateMarch 21, 2006
Last NPPES UpdateJune 25, 2017
✔ NPI 1689633455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in CA · 20A7305
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
867 S TUSTIN ST, Orange, CA 92866
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedW14903CA · Group Medicare Number
Medicare UPINH13082CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maryann Nuesse D.o. 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 Maryann Nuesse reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

William H Nuesse M D And Mary Ann Nuesse D O A Medical Corporation
Same address
Clinic/Center
867 S TUSTIN ST
Orange, CA 92866
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1508994088 (714) 771-1420

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 92866 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.

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.

JOHN DIAB PA
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
BE CHIROPRACTIC PC
Chiropractor
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
MR. SIMON STEPHEN LEE YAO NP
Nurse Practitioner (Family)
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
FRANK FONG YOUNG M.D.
General Practice
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION
Clinic/Center
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
DR. KENNETH E GRUBBS D.O.
Family Medicine
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
MELISSA CHANG NP
Nurse Practitioner (Family)
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
NEIL CHEN
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420

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 Maryann Nuesse's NPI number?

The NPI number for Maryann Nuesse is 1689633455. It was assigned to this individual provider in the NPPES registry on March 21, 2006.

Where is Maryann Nuesse located?

Maryann Nuesse practices at 867 S Tustin St, Orange, CA 92866. The listed phone number is (714) 771-1420.

What is Maryann Nuesse's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Maryann Nuesse enrolled in Medicare?

Yes. Maryann Nuesse is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maryann Nuesse's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Nuesse reassigns Medicare benefits to William H Nuesse M D And Mary Ann Nuesse D O A Medical Corporation (Orange, 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 Maryann Nuesse'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 Maryann Nuesse was last updated on June 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.