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NPI-verifiedAllergy & Immunology · GilbertLast verified Oct 15, 2026

San Tan Allergy and Asthma

Established 19 years ago, San Tan Allergy and Asthma PC delivers allergy and immunology care in Gilbert's Western Skies area. The practice offers Asthma management, Anaphylaxis treatment, Rhinitis treatment, Eczema treatment, Immune deficiency diseases, and Autoimmune disease management. Medicare and plans including Ambetter are accepted.

At a glance
Today
Hours listed
See hours
New patients
Welcome
Per its website
Insurance
21 plans listed
Includes AHCCCS plans
Who you'll see
5 clinicians
Sam Shimamoto, M.D.
Reviews
1,380 on Google · 4.7 avg
Found Oct 2026 · read on Google
Visits
In person + telehealth
Per its website

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Who you'll see

Providers

SS
Sam Shimamoto, M.D.
NPI 1073587382
NJ
Neal Jain, MD
NPI 1356390512
HS
Heidi Schmidt, PA-C
Physician Assistant · NPI 1194034942
JG
John Gedell, PA-C
Physician Assistant · NPI 1073805511
Show all 5 providers ▾
CD
Corey Deberry-Seguine, PA-C
Physician Assistant · NPI 1669921524
Services

What this practice treats

Allergic RhinitisAsthma/RespiratorySkinEczema CareSinusitisGI ConditionsEosinophilic EsophagitisEosinophilic GI Diesease (EGID)Gastroesophogeal reflux disease (GERD)Food Allergy TXImmune Deficiency TXPatch TestingOral ImmunotherapyAllergy ImmunotherapyAllergy TestingEnvironmental AllergiesFood Allergy Testing

Also treats

Skin AllergyTesting For Allergic Skin DermatitisTesting For AngioedemaEczema TestsHivesRespiratory Allergies & AsthmaAsthma & Respiratory TestingHay FeverCoughingSinus ProblemsFood AllergyFood Sensitivities & IntoleranceFood Protein Induced Enterocolitis SyndromeImmune Conditions & DeficienciesAddison diseaseAutoimmune HepatitisCeliac diseaseAntiphospholipid SyndromeCommon Variable Immunodeficiency
Insurance

Plans accepted

Ambetter from Arizona Complete Health Choice Bronze HSA - HMOAmbetter from Arizona Choice Bronze HSA + Vision + Adult Dental - HMOAmbetter from Arizona Complete Gold - HMOAmbetter from Arizona Complete Gold + Vision + Adult Dental - HMOAmbetter from Arizona Complete Silver - HMOAmbetter from Arizona Complete Silver + Vision + Adult Dental - HMOAmbetter from Arizona Elite Gold - HMOAmbetter from Arizona Elite Gold + Vision + Adult Dental - HMOAmbetter from Arizona Everyday Bronze - HMOAmbetter from Arizona Everyday Bronze + Vision + Adult Dental - HMO+11 more — call to confirm
Before your visit
Booking
Call to book
New-patient forms
New patients
Accepting
Locations

San Tan Allergy and Asthma has 2 locations

Gilbert and Payson — same practice, same team.

Gilbert officeMain office4915 E BASELINE RD, Gilbert, AZ 85234Show ▾
Phone
(480) 626-6600
Providers at this location
Sam Shimamoto, MDLaine Keahey, MDDavid Reeder, MDCorey Deberry-Seguine, PANeal JainDeepa GrandonHeidi SchmidtJohn Gedell
Directions to Gilbert
Payson office708 S COEUR D'ALENE LANE, Payson, AZ 85541Show ▾
Phone
(480) 626-6600
Providers at this location
Sam Shimamoto, MDCorey Deberry-Seguine, PA
Directions to Payson
Questions

Common questions about San Tan Allergy and Asthma.

Insurance, hours and new-patient availability change — confirm with the office before your visit.

San Tan Allergy and Asthma offers services including Allergic Rhinitis, Asthma/Respiratory, Skin, Eczema Care, Sinusitis, Immune Deficiency, GI Conditions, Eosinophilic Esophagitis, and more.

The authorized representative on file with the National Provider Identifier registry is Gregory Carlson, Business Manager.

San Tan Allergy and Asthma is listed as accepting Ambetter from Arizona Complete Health Choice Bronze HSA - HMO, Ambetter from Arizona Choice Bronze HSA + Vision + Adult Dental - HMO, Ambetter from Arizona Complete Gold - HMO, Ambetter from Arizona Complete Gold + Vision + Adult Dental - HMO, Ambetter from Arizona Complete Silver - HMO, Ambetter from Arizona Complete Silver + Vision + Adult Dental - HMO, Ambetter from Arizona Elite Gold - HMO, Ambetter from Arizona Elite Gold + Vision + Adult Dental - HMO, Ambetter from Arizona Everyday Bronze - HMO, Ambetter from Arizona Everyday Bronze + Vision + Adult Dental - HMO, and Medicare.

San Tan Allergy and Asthma's website says it is accepting new patients.

San Tan Allergy and Asthma's website lists telehealth visits.

Last verified Oct 15, 2026Report a correction

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Nearby

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