COMPREHENSIVE ALLERGY SERVICE MEDICAL CLINIC INC
NPI 1770539041
Allergy & Immunology in Fremont, CA

Q: What is Comprehensive Allergy Service Medical Clinic Inc's specialty?

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

Active since May 26, 2006

1895 MOWRY AVE STE 118B, FREMONT, CA 94538(510) 200-0445(844) 898-6129 Get Directions Write a Review

NPPES record last updated: December 22, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 22, 2025, Sep 2, 2025, May 7, 2025 (3 updates tracked since 2025).

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About Comprehensive Allergy Service Medical Clinic Inc NPPES

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

COMPREHENSIVE ALLERGY SERVICE MEDICAL CLINIC INC (NPI 1770539041), doing business as Columbia Allergy, is a healthcare organization registered as an allergy & immunology in Fremont, California and active in the NPI registry since May 2006. The organization lists Sanjeev Jain, Ceo/owner, as its authorized official.

NPPES Registry Identity

NPI1770539041

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameCOMPREHENSIVE ALLERGY SERVICE MEDICAL CLINIC INC

Location Address1895 MOWRY AVE STE 118BFremont, CA 94538-1737

Mailing Address43575 Mission Blvd Ste 716Fremont, CA 94539-5831 · (510) 200-0445 · Fax (844) 898-6129

Phone(510) 200-0445

Fax(844) 898-6129

Organization SubpartNo

Authorized OfficialSanjeev JainCeo/owner · (408) 476-0624

Enumeration DateMay 26, 2006

Last NPPES UpdateDecember 22, 20253 updates tracked since enumeration

NPPES CertifiedDecember 22, 2025

✔ NPI 1770539041 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.

1895 MOWRY AVE STE 118B, Fremont, CA 94538

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Other Names 1

Doing Business AsColumbia Allergy

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Comprehensive Allergy Service Medical Clinic Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Comprehensive Allergy Service Medical Clinic Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Sanjeev Jain, M.D.; PHD

Allergy/Immunology

NPI 1710973839

1152 DOUGLAS ST
Longview, WA 98632

(360) 940-0880

✔ PECOS593 mi

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

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 Comprehensive Allergy Service Medical Clinic Inc's NPI number?

The NPI number for Comprehensive Allergy Service Medical Clinic Inc is 1770539041. It was assigned to this organization in the NPPES registry on May 26, 2006. The provider is doing business as Columbia Allergy.

Where is Comprehensive Allergy Service Medical Clinic Inc located?

Comprehensive Allergy Service Medical Clinic Inc is located at 1895 Mowry Ave Ste 118B, Fremont, CA 94538. The listed phone number is (510) 200-0445.

What is Comprehensive Allergy Service Medical Clinic Inc's specialty?

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

Is Comprehensive Allergy Service Medical Clinic Inc enrolled in Medicare?

Yes. Comprehensive Allergy Service Medical Clinic Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Comprehensive Allergy Service Medical Clinic Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Comprehensive Allergy Service Medical Clinic 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Comprehensive Allergy Service Medical Clinic Inc was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.