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CHRISTINE ANNE ROYER M.D.
NPI 1730566613
Allergy & Immunology in Santa Rosa, CA

Active since April 30, 2015PECOS EnrolledAccepts Medicare Assignment
130 STONY POINT RD STE E, SANTA ROSA, CA 95401(707) 525-0211 Get Directions Write a Review

NPPES record last updated: September 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 22, 2021, Aug 14, 2020, Aug 4, 2020 and 1 more (4 updates tracked since 2020).

About Christine Anne Royer M.d. NPPES

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

CHRISTINE ANNE ROYER M.D. (NPI 1730566613) is an individual allergy & immunology provider in Santa Rosa, California, licensed in California (A169502) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Rafael, and is a graduate of George Washington University School Of Medicine (2015).

NPPES Registry Identity

NPI1730566613
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameCHRISTINE ANNE ROYERCredential: M.D.
Location Address130 STONY POINT RD STE ESanta Rosa, CA 95401-4120
Mailing Address135 Waterside CirSan Rafael, CA 94903-2777 · (207) 233-2255
Phone(707) 525-0211
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2015
Enumeration DateApril 30, 2015
Last NPPES UpdateSeptember 22, 20214 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2021
✔ NPI 1730566613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A169502
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
130 STONY POINT RD STE E, Santa Rosa, CA 95401
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Secondary Practice Location 1

Location 14000 Civic Center DrSan Rafael, CA 94903-4171 · Phone (707) 525-0211

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christine Anne Royer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911219084
PECOS Enrollment IDI20200904001657
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 Christine Royer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ucsf Health Medical Foundation
48 mi
Pediatrics
6425 CHRISTIE AVE STE 220
Emeryville, CA 94608
  • Reassigned Medicare billing, California enrollment
  • 79 clinicians in this Medicare group
NPI 1043628316 (415) 476-7220

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

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

JULINE NATALIA CARABALLO FONSECA M.D.
Allergy & Immunology
130 STONY POINT RD STE E
SANTA ROSA, CA 95401
Sonoma County (707) 525-0211

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 Christine Royer's NPI number?

The NPI number for Christine Royer is 1730566613. It was assigned to this individual provider in the NPPES registry on April 30, 2015.

Where is Christine Royer located?

Christine Royer practices at 130 Stony Point Rd Ste E, Santa Rosa, CA 95401. The listed phone number is (707) 525-0211.

What is Christine Royer's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Christine Royer enrolled in Medicare?

Yes. Christine Royer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Christine Royer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Royer reassigns Medicare benefits to Ucsf Health Medical Foundation (Emeryville, 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 Christine Royer'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 Christine Royer was last updated on September 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.