MELISSA ITSARA
NPI 1417375528
Allergy & Immunology - Allergy in Richmond, CA

Active since April 04, 2014PECOS Enrolled
901 NEVIN AVE BLDG 2, RICHMOND, CA 94801(510) 910-5120 Get Directions Write a Review

NPPES record last updated: October 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 9, 2022, Mar 14, 2017 (2 updates tracked since 2017).

About Melissa Itsara NPPES

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

MELISSA ITSARA (NPI 1417375528) is an individual allergy provider in Richmond, California, licensed in California (A140042) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417375528
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameMELISSA ITSARA
Location Address901 NEVIN AVE BLDG 2Richmond, CA 94801-3143
Mailing Address901 Nevin Ave Bldg 2Richmond, CA 94801-3143
Sole ProprietorYes
Enumeration DateApril 4, 2014
Last NPPES UpdateOctober 30, 20242 updates tracked since enumeration
NPPES CertifiedOctober 30, 2024
✔ NPI 1417375528 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 · A140042
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Also ListedInternal MedicineTaxonomy 207R00000X · License A140042 (CA)
901 NEVIN AVE BLDG 2, Richmond, CA 94801

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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa Itsara is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Itsara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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 Melissa Itsara's NPI number?

The NPI number for Melissa Itsara is 1417375528. It was assigned to this individual provider in the NPPES registry on April 4, 2014.

Where is Melissa Itsara located?

Melissa Itsara practices at 901 Nevin Ave Bldg 2, Richmond, CA 94801. The listed phone number is (510) 910-5120.

What is Melissa Itsara's specialty?

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

Is Melissa Itsara enrolled in Medicare?

Yes. Melissa Itsara is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Itsara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Itsara reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). The 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 Melissa Itsara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Itsara was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.