MR. ROY ANTHONY ORDEN MD
NPI 1861781056
Allergy & Immunology - Allergy in Walnut Creek, CA

Active since March 29, 2011PECOS EnrolledAccepts Medicare Assignment
69.91/100
CMS Quality Rating
370 N WIGET LN STE 210, WALNUT CREEK, CA 94598(925) 935-6252(925) 935-7611 Get Directions Write a Review

NPPES record last updated: December 2, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 2, 2024, Jul 31, 2024, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

About Mr. Roy Anthony Orden Md NPPES

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

MR. ROY ANTHONY ORDEN MD (NPI 1861781056) is an individual allergy provider in Walnut Creek, California, licensed in California (A141478) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2011).

NPPES Registry Identity

NPI1861781056
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameMR. ROY ANTHONY ORDENCredential: MD
Location Address370 N WIGET LN STE 210Walnut Creek, CA 94598-2452
Mailing Address370 N Wiget Ln Ste 210Walnut Creek, CA 94598-2452 · (925) 935-6252 · Fax (935) 935-7611
Fax(925) 935-7611
Sole ProprietorYes
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2011
Enumeration DateMarch 29, 2011
Last NPPES UpdateDecember 2, 20244 updates tracked since enumeration
NPPES CertifiedDecember 2, 2024
NPI 1861781056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License Licensed in CA · A141478
Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License A141478 (CA)
370 N WIGET LN STE 210, Walnut Creek, CA 94598

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Roy Anthony Orden Md 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 ID1052560166
PECOS Enrollment IDI20161116001581
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.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
2,120 services60 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
192 services15 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
138 services101 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
136 services13 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
123 services13 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
74 services74 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.91/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.15
Promoting Interoperability98
Improvement Activities40
Cost21.23

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
2 suppliers20 claims66 services$18.25 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers30 claims8,680 services$11.72 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
2 suppliers19 claims92 services$2.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Allergy & Immunology (Allergy)
370 N WIGET LN STE 210
WALNUT CREEK, CA 94598
Allergy & Immunology (Allergy)
370 N WIGET LN STE 210
WALNUT CREEK, CA 94598
Physician Assistant
370 N WIGET LN STE 210
WALNUT CREEK, CA 94598
Allergy & Immunology
370 N WIGET LN STE 210
WALNUT CREEK, CA 94598

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 Roy Orden's NPI number?

The NPI number for Roy Orden is 1861781056. It was assigned to this individual provider in the NPPES registry on March 29, 2011.

Where is Roy Orden located?

Roy Orden practices at 370 N Wiget Ln Ste 210, Walnut Creek, CA 94598. The listed phone number is (925) 935-6252.

What is Roy Orden's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Roy Orden enrolled in Medicare?

Yes. Roy Orden 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.

When was this NPI record last updated?

The NPPES record for Roy Orden was last updated on December 2, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.