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ALLERGY & ASTHMA MEDICAL GROUP OF DIABLO VALLEY INC
NPI 1871550590
Allergy & Immunology in Walnut Creek, CA

Active since April 27, 2006
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: October 18, 2026.

Record update history: Dec 2, 2024, Jul 31, 2024 (2 updates tracked since 2024).

About Allergy & Asthma Medical Group Of Diablo Valley Inc NPPES

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

ALLERGY & ASTHMA MEDICAL GROUP OF DIABLO VALLEY INC (NPI 1871550590) is a healthcare organization registered as an allergy & immunology in Walnut Creek, California and active in the NPI registry since April 2006. The organization lists Joshua Samuel Jacobs, Physician Cfo, as its authorized official.

NPPES Registry Identity

NPI1871550590
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameALLERGY & ASTHMA MEDICAL GROUP OF THE BAY AREA INC
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 (925) 935-7611
Phone(925) 935-6252
Fax(925) 935-7611
Organization SubpartNo
Authorized OfficialJoshua Samuel JacobsPhysician Cfo · (925) 935-6252
Enumeration DateApril 27, 2006
Last NPPES UpdateDecember 2, 20242 updates tracked since enumeration
NPPES CertifiedDecember 2, 2024
✔ NPI 1871550590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
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.
370 N WIGET LN STE 210, Walnut Creek, CA 94598
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Other Names 1

Doing Business AsAllergy & Asthma Medical Group Of Diablo Valley Inc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy & Asthma Medical Group Of Diablo Valley Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

18

Medicare enrollment records show 18 clinicians reassign Medicare billing to Allergy & Asthma Medical Group Of Diablo Valley Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 11 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Allergy/Immunology17
Nurse Practitioner1

Clinicians, nearest first (18)

Kelsey Ige, MD
Allergy/Immunology
NPI 1013414135
370 N WIGET LN STE 210
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts MedicareSame address
Joshua Jacobs, MD
Allergy/Immunology
NPI 1215920673
370 N WIGET LN STE 210
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts MedicareSame address
Roy Orden, MD
Allergy/Immunology
NPI 1861781056
370 N WIGET LN STE 210
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts MedicareSame address
Ilisten Jones, M.D., M.P.H.
Allergy/Immunology
NPI 1407148943
370 N WIGET LN SUITE 210
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts MedicareSame address
Nancy Mozelsio, M.D.
Allergy/Immunology
NPI 1114910551
370 N. WIGET LANE SUITE 210
Walnut Creek, CA 94598
(925) 935-0856
✔ PECOS✔ Accepts Medicare0.7 mi
Toral Kamdar, M.D.
Allergy/Immunology
NPI 1073776555
370 N. WIGET LANE SUITE 210
Walnut Creek, CA 94598
(925) 935-0856
✔ PECOS✔ Accepts Medicare0.8 mi
Shilpi Anand, M.D.
Allergy/Immunology
NPI 1871556605
130 LA CASA VIA SUITE 209
Walnut Creek, CA 94598
(925) 935-5853
✔ PECOS✔ Accepts Medicare1.5 mi
Karna Gendo, M.D.
Allergy/Immunology
NPI 1720164536
130 LA CASA VIA BUILDING 2, SUITE 209
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts Medicare1.5 mi
Matthew Lodewick, MD
Allergy/Immunology
NPI 1922091362
130 LA CASA VIA BLDG 2, # 209
Walnut Creek, CA 94598
(925) 930-6252
✔ PECOS✔ Accepts Medicare1.5 mi
Fannie Su, MD
Allergy/Immunology
NPI 1982738712
130 LA CASA VIA BLDG 2 SUITE 209
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts Medicare1.5 mi
Allyson Tevrizian, MD
Allergy/Immunology
NPI 1902930753
130 LA CASA VIA STE 209 BLDG 2
Walnut Creek, CA 94598
(925) 935-6252
✔ PECOS✔ Accepts Medicare1.5 mi
Sally Bailey, MD
Allergy/Immunology
NPI 1700815677
12677 ALCOSTA RD STE 500
San Ramon, CA 94583
(925) 327-1450
✔ PECOS11 mi
Katherine Gilbert, M.D.
Allergy/Immunology
NPI 1871814467
3010 COLBY ST STE 118
Berkeley, CA 94705
(510) 644-2316
✔ PECOS✔ Accepts Medicare14 mi
Myngoc Nguyen, MD
Allergy/Immunology
NPI 1194803965
3010 COLBY ST STE 118
Berkeley, CA 94705
(510) 644-2316
✔ PECOS✔ Accepts Medicare14 mi
Valerie Jerdee, M.D.
Allergy/Immunology
NPI 1134145394
350 JOHN MUIR PKWY STE 180
Brentwood, CA 94513
(925) 513-3140
✔ PECOS✔ Accepts Medicare16 mi
Daljeet Samra, M.D.
Allergy/Immunology
NPI 1720229693
3649 AVIANO WAY
Dublin, CA 94568
(703) 626-2304
✔ PECOS✔ Accepts Medicare17 mi
Christie Kennedy, MSN, FNP
Nurse Practitioner
NPI 1558777292
470 CHADBOURNE RD STE A
Fairfield, CA 94534
(707) 419-8989
✔ PECOS21 mi
Michelle Huffaker, MD
Allergy/Immunology
NPI 1407141641
300 PASTEUR DR
Stanford, CA 94305
(650) 723-4000
✔ PECOS✔ Accepts Medicare35 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2194729

Allergy And Asthma Midecal Group Of The Bay Area · Walnut Creek, CA
Expired · Oct 1, 2026
CLIA Number05D2194729
Laboratory TypePhysician Office
Certificate Effective DateOctober 2, 2024
Certificate Expiration DateOctober 1, 2026
Laboratory DirectorAllyson Tevrizian
Laboratory Phone(925) 361-2810
Laboratory LocationAllergy And Asthma Midecal Group Of The Bay Area370 N Wiget Lane Suite 210A, Walnut Creek, CA 94598
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

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 Allergy & Asthma Medical Group Of The Bay Area Inc's NPI number?

The NPI number for Allergy & Asthma Medical Group Of The Bay Area Inc is 1871550590. It was assigned to this organization in the NPPES registry on April 27, 2006. The provider is doing business as Allergy & Asthma Medical Group Of Diablo Valley Inc.

Where is Allergy & Asthma Medical Group Of The Bay Area Inc located?

Allergy & Asthma Medical Group Of The Bay Area Inc is located at 370 N Wiget Ln Ste 210, Walnut Creek, CA 94598. The listed phone number is (925) 935-6252.

What is Allergy & Asthma Medical Group Of The Bay Area Inc's specialty?

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

Is Allergy & Asthma Medical Group Of The Bay Area Inc enrolled in Medicare?

Yes. Allergy & Asthma Medical Group Of The Bay Area Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy & Asthma Medical Group Of The Bay Area Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 2 Medicare specialties reassign their Medicare billing to Allergy & Asthma Medical Group Of The Bay Area Inc. A 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 the clinician's services. The largest specialties are Allergy/Immunology (17) and Nurse Practitioner (1). Of these, 4 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy & Asthma Medical Group Of The Bay Area Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 30 other insurers list Allergy & Asthma Medical Group Of The Bay Area Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Allergy & Asthma Medical Group Of The Bay Area Inc was last updated on December 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.