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DR. MARIA GNARRA BUETHE MD, PHD
NPI 1134784168
Dermatology - Pediatric Dermatology in Orange, CA

Active since May 06, 2019PECOS Enrolled
1201 W LA VETA AVE, ORANGE, CA 92868(714) 509-7987(949) 898-6012 Get Directions Write a Review

NPPES record last updated: June 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 21, 2025, May 19, 2025, Sep 4, 2024 and 3 more (6 updates tracked since 2019).

About Dr. Maria Gnarra Buethe Md, Phd NPPES

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

DR. MARIA GNARRA BUETHE MD, PHD (NPI 1134784168) is an individual pediatric dermatology provider in Orange, California, licensed in California (187371) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Irvine.

NPPES Registry Identity

NPI1134784168
Entity TypeIndividualFemale
Primary Taxonomy207NP0225X
Provider Legal NameDR. MARIA GNARRA BUETHECredential: MD, PHD
Location Address1201 W LA VETA AVEOrange, CA 92868-4203
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-8888
Phone(714) 509-7987
Fax(949) 898-6012
Sole ProprietorYes
Enumeration DateMay 6, 2019
Last NPPES UpdateJune 21, 20256 updates tracked since enumeration
NPPES CertifiedJune 21, 2025
✔ NPI 1134784168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · Pediatric DermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207NP0225X
License✔ Licensed in CA · 187371
Definition
A pediatric dermatologist has, through additional special training, developed expertise in the treatment of specific skin disease categories with emphasis on those diseases which predominate in infants, children and adolescents.
Also ListedDermatologyTaxonomy 207N00000X · License 187371 (CA)
1201 W LA VETA AVE, Orange, CA 92868
Open in Google Maps ↗

Secondary Practice Location 1

Location 1850 Health Sciences Rd Fl 2Irvine, CA 92617-3058 · Phone (949) 824-0606 · Fax (949) 824-1641

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maria Gnarra Buethe Md, Phd 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 Maria Buethe reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uci Department Of Dermatology
1.5 mi
Dermatology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 54 clinicians in this Medicare group
NPI 1518916527 (714) 456-7004

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 92868 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
$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 20

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

TRISHA JACKSON
Social Worker
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (714) 509-8521
CHILDREN'S HOSPITAL OF ORANGE COUNTY
Neurological Surgery
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (714) 509-8649
JULIAN THOMAS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (714) 509-7601
DR. GEOFFREY CARSON CHENG MD
Pediatrics (Pediatric Hematology-Oncology)
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (714) 509-8636
BRIANNA JOY LEYDEN
Student in an Organized Health Care Education/Training Program
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (714) 997-3000
DR. MARNI CARMELA SWITKIN NAGEL PH.D.
Psychologist (Clinical Child & Adolescent)
1201 W LA VETA AVE, 503
ORANGE, CA 92868
Orange County (714) 532-8481
DR. DAINA DREIMANE MD
Pediatrics (Pediatric Endocrinology)
1201 W LA VETA AVE
ORANGE, CA 92868
Orange County (888) 770-2462
DR. SHARIEF KHALIL TARAMAN M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1201 W LA VETA AVE, CHILDREN'S HOSPITAL OF ORANGE COUNTY, NEUROLOGY
ORANGE, CA 92868
Orange County (714) 509-7601

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 Maria Buethe's NPI number?

The NPI number for Maria Buethe is 1134784168. It was assigned to this individual provider in the NPPES registry on May 6, 2019.

Where is Maria Buethe located?

Maria Buethe practices at 1201 W La Veta Ave, Orange, CA 92868. The listed phone number is (714) 509-7987.

What is Maria Buethe's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Pediatric Dermatology, with taxonomy code 207NP0225X.

Is Maria Buethe enrolled in Medicare?

Yes. Maria Buethe is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maria Buethe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Buethe reassigns Medicare benefits to Uci Department Of Dermatology (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 Maria Buethe'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 Maria Buethe was last updated on June 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.