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SAN TAN ALLERGY AND ASTHMA PC
NPI 1124240510
Allergy & Immunology in Gilbert, AZ

Active since May 03, 2007CLIA 03D2139398 · Waiver
4915 E BASELINE RD STE 112, GILBERT, AZ 85234(480) 626-6600(480) 626-6604 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2026, Feb 4, 2019, Sep 6, 2018 and 1 more (4 updates tracked since 2018).

About San Tan Allergy And Asthma Pc NPPES

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

SAN TAN ALLERGY AND ASTHMA PC (NPI 1124240510) is a healthcare organization registered as an allergy & immunology in Gilbert, Arizona and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through November 1, 2027, maintains 2 additional practice locations, and lists Sam Reed Shimamoto, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1124240510
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameSAN TAN ALLERGY AND ASTHMA PC
Location Address4915 E BASELINE RD STE 112Gilbert, AZ 85234
Mailing Address4915 E Baseline Rd Ste 112Gilbert, AZ 85234-2966 · (480) 626-6600 · Fax (480) 626-6604
Phone(480) 626-6600
Fax(480) 626-6604
Organization SubpartNo
Authorized OfficialSam Reed ShimamotoOwner/physician · (480) 626-6600
Enumeration DateMay 3, 2007
Last NPPES UpdateMay 21, 20264 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1124240510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in AZ · 29558
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.
4915 E BASELINE RD STE 112, Gilbert, AZ 85234
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Secondary Practice Locations 2

Location 14915 E Baseline Rd Ste 112Gilbert, AZ 85234-2966 · Phone (480) 626-6600 · Fax (480) 626-6604
Location 2708 S Coeur D Alene Ln Ste CPayson, AZ 85541-5662 · Phone (480) 626-6600 · Fax (480) 626-6604

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.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)

San Tan Allergy And Asthma Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to San Tan Allergy And Asthma PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Neal Jain, MD
Allergy/Immunology
NPI 1356390512
4915 E BASELINE RD SUITE 112
Gilbert, AZ 85234
(480) 626-6600
✔ PECOSSame address
Sam Shimamoto, M.D.
Allergy/Immunology
NPI 1073587382
4915 E BASELINE RD SUITE 112
Gilbert, AZ 85234
(480) 626-6600
✔ PECOS✔ Accepts Medicare0.1 mi
Kerry Berghoff, NP
Nurse Practitioner
NPI 1093095671
705 S DOBSON RD
Chandler, AZ 85224
(480) 850-2873
✔ PECOS10 mi
Laine Keahey, MD
Allergy/Immunology
NPI 1144244807
705 S DOBSON ROAD
Chandler, AZ 85224
(480) 897-6992
✔ PECOS✔ Accepts Medicare10 mi
Jennifer Hill, M.D.
Allergy/Immunology
NPI 1497035604
4835 E CACTUS RD STE 130
Scottsdale, AZ 85254
(480) 581-4877
✔ PECOS✔ Accepts Medicare21 mi
Kiranjit Khalsa, MD
Allergy/Immunology
NPI 1720321250
15255 N 40TH ST STE 127
Phoenix, AZ 85032
(602) 694-3566
✔ PECOS✔ Accepts Medicare23 mi
David Reeder, M.D.
Allergy/Immunology
NPI 1477937779
101 THE CITY DRIVE PAVILLION 1, 2ND FLOOR
Orange, CA 92868
(714) 456-7720
✔ PECOS✔ Accepts Medicare357 mi
Priscilla Wong, M.D.
Allergy/Immunology
NPI 1134353949
1620 E ROSEVILLE PKWY STE 110
Roseville, CA 95661
(916) 865-1092
✔ PECOS✔ Accepts Medicare648 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 2

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 03D2139398

San Tan Allergy & Asthma · Payson, AZ
Active · expires Nov 1, 2027
CLIA Number03D2139398
Laboratory TypePhysician Office
Certificate Effective DateNovember 2, 2025
Certificate Expiration DateNovember 1, 2027
Laboratory DirectorSam R. Shimamoto
Laboratory Phone(480) 626-6600
Laboratory LocationSan Tan Allergy & Asthma708 S Coeur D'alene Lane, Ste C, Payson, AZ 85541
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 03D2049028

San Tan Allergy & Asthma · Gilbert, AZ
Expired · Oct 28, 2026
CLIA Number03D2049028
Laboratory TypePhysician Office
Certificate Effective DateOctober 29, 2024
Certificate Expiration DateOctober 28, 2026
Laboratory DirectorSam R. Shimamoto
Laboratory Phone(480) 626-6600
Laboratory LocationSan Tan Allergy & Asthma4915 E Baseline Road Ste 112, Gilbert, AZ 85234
CLIA data matches this NPI record on: Address Phone
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 San Tan Allergy And Asthma PC's NPI number?

The NPI number for San Tan Allergy And Asthma PC is 1124240510. It was assigned to this organization in the NPPES registry on May 3, 2007.

Where is San Tan Allergy And Asthma PC located?

San Tan Allergy And Asthma PC is located at 4915 E Baseline Rd Ste 112, Gilbert, AZ 85234. The listed phone number is (480) 626-6600.

What is San Tan Allergy And Asthma PC's specialty?

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

Is San Tan Allergy And Asthma PC enrolled in Medicare?

Yes. San Tan Allergy And Asthma PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Tan Allergy And Asthma PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to San Tan Allergy And Asthma PC. 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 (7) and Nurse Practitioner (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does San Tan Allergy And Asthma PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D2139398) is associated with this NPI, valid through November 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does San Tan Allergy And Asthma PC accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list San Tan Allergy And Asthma PC 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 San Tan Allergy And Asthma PC was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.