Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Roy Anthony Orden, MD

Individual provider Allergy & Immunology Physician · NPI 1861781056

Mr. Roy Anthony Orden, MD is an Allergy/Immunology in Walnut Creek, California. Graduated from University of Washington School of Medicine in 2011, 15 years ago. Practices with Allergy and Asthma Medical Group of the Bay Area Inc, a 21-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
15
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

370 N Wiget Ln Ste 210
Walnut Creek, CA 94598-2452
Phone: (925) 935-6252
Fax: (925) 935-7611
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence A141478 (CA)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence A141478 (CA)

Record details

NPI number1861781056
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2011
Last updated in NPPESDecember 2, 2024
Certification dateDecember 2, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Allergy And Asthma Medical Group Of The Bay Area Inc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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