2026 NPPES data Allergy Physician NPI 1417375528
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MELISSA ITSARA

Allergy Physician in RICHMOND, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
283
Medicare Part D claims · 111 beneficiaries · Allergy Physician avg: 755
Generic prescribing
67%
generic claims · 33% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: MELISSA ITSARA is a Allergy Physician ([object Object]) practicing in RICHMOND, California with a Medicare Part D prescribing footprint of 283 claims across 111 beneficiaries — 33% brand-name prescribing .

What stands out: MELISSA ITSARA filed 283 Medicare Part D claims in 2023 across RICHMOND, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

MELISSA ITSARA practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

MELISSA ITSARA at a glance

Quality data not reported

NPI registry status

Active

Issued 04/04/2014

NPI 1417375528

Primary specialty

Allergy Physician

Niche

1,019 US NPIs in this specialty

Medicare Part D claims

283 63% vs specialty avg

2023 prescription claims

Specialty avg: 755

Specialty distribution in California

How Allergy Physician compares to other specialties among California providers

California providers

Allergy Physician share within California

1. Allergy Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Allergy Physician share within California

Specialty board-certification context

Estimated specialty board-certified rate — Allergy Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Allergy Physician ABMS/AOA estimate

Est. board-certified rate (Allergy Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Allergy Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

MELISSA ITSARA is a Allergy Physician provider practicing in RICHMOND, California, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1417375528. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

MELISSA ITSARA appears in the CMS NPPES registry as a Allergy Physician provider at 901 NEVIN AVE BLDG 2, RICHMOND, CA, 94801, with a listed phone of (510) 910-5120. NPI 1417375528 was issued on 04/04/2014. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ITSARA most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 283 prescription claims written by this provider, covering 111 Medicare beneficiaries and totaling roughly $72K in drug spend, split 33% brand-name and 67% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Allergy Physician is a narrow specialty nationwide, with 1,019 enrolled providers across 49 states and an average of 755 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

901 NEVIN AVE BLDG 2
RICHMOND, CA 94801

Provider Details

NPI 1417375528
Specialty Allergy Physician
Gender Female
NPI Issued 04/04/2014

Hospital and facility affiliations

Facilities where MELISSA ITSARA bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

PERMANENTE MEDICAL GROUP INC
SACRAMENTO, CA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

License & disciplinary context — California MBC 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 — they are NOT specific to MELISSA ITSARA. To verify MELISSA ITSARA's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Above average

MELISSA ITSARA — brand share 33.0%
Specialty average (est.)

33% brand-name claims vs 67% generic, on 283 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

283
Total Claims
$72K
Total Drug Cost
111
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
399
Total Day Supply
11,335
Brand vs Generic
33% brand / 67% generic
Brand Drug Cost
$66K
Generic Drug Cost
$6K

Patient Demographics

Average Patient Age
72.7 years
Avg HCC Risk Score
1.07
Gender Split
69% female / 31% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Azelastine Hcl
77
Ipratropium Bromide
34
Olopatadine Hcl
25
Alvesco
Ciclesonide
21
Symbicort
Budesonide/Formoterol Fumarate
20
Fluticasone Propionate
17
Spiriva Respimat
Tiotropium Bromide
13
Albuterol Sulfate Hfa
Albuterol Sulfate
12
Montelukast Sodium
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Allergy Physician Overview

How MELISSA ITSARA fits within the Allergy Physician landscape nationally.

1,019
Allergy Physician Providers in US
49
States with Allergy Physician
755
Avg Claims per Provider

MELISSA ITSARA's 283 claims are below the specialty average of 755.

Nearby Allergy Physician Providers in California

Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as ITSARA.

Compare Allergy Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MELISSA ITSARA's specialty?
MELISSA ITSARA specializes in Allergy Physician and practices in RICHMOND, California.
How much does MELISSA ITSARA prescribe under Medicare Part D?
In 2023, MELISSA ITSARA wrote 283 Medicare Part D claims totaling $72K in drug costs for 111 beneficiaries.
Where is MELISSA ITSARA located?
MELISSA ITSARA is located at 901 NEVIN AVE BLDG 2, RICHMOND, CA, 94801. Phone: (510) 910-5120.
What is MELISSA ITSARA's NPI number?
MELISSA ITSARA's National Provider Identifier (NPI) is 1417375528, issued on 04/04/2014.
Does MELISSA ITSARA prescribe more brand-name or generic drugs?
MELISSA ITSARA's prescribing is 33% brand-name and 67% generic drugs by claim count, with $66K in brand drug costs.
How many Allergy Physician providers are there in the US?
There are 1,019 Allergy Physician providers across 49 states in the US. The average Allergy Physician provider writes 755 Medicare Part D claims per year.
What drugs does MELISSA ITSARA prescribe most often?
Based on 2023 Medicare Part D data, MELISSA ITSARA's most frequently prescribed drugs include Azelastine Hcl, Ipratropium Bromide, Olopatadine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MELISSA ITSARA accept Medicare?
MELISSA ITSARA appears in CMS Medicare data with 283 Part D claims and 111 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MELISSA ITSARA's credentials?
MELISSA ITSARA's NPI is 1417375528. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology