Anita Carmen Choy, MD

Allergy Allergy & Immunology

Anita Carmen Choy is an Allergy Allergy & Immunology specialist based in Palo Alto, CA with over 40 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(650) 322-3847Palo Alto, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Anita Carmen Choy, MD has practiced allergy & immunology for 40+ years, working in independent practice. She has been in practice for 40+ years. Among her Medicare patients, common conditions include high cholesterol, hypertension, and asthma (per CMS data).

1 of 32 Allergy & Immunology providers in CASee all Allergy & Immunology in Palo Alto40+ years experienceNPI since 2006

Older · 1173dNPPES updated 2023-03-07 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

1101 Welch Rd #A2, Palo Alto, CA 94304-1904

Fax: (650) 322-3249
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

177

Unique beneficiaries

Standard volume

Prescription Recipients

93

Patients prescribed

Prescriptions Written

411

Total claims

Total Medicare drug cost: $171k

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Asthma.

High Cholesterol
73%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
52%

High blood pressure — a leading risk factor for heart disease and stroke

Asthma
46%

A condition causing airway inflammation, wheezing, and difficulty breathing

Arthritis
43%

Joint inflammation causing pain, swelling, and stiffness

Ischemic Heart Disease
21%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Osteoporosis
20%

Weakened bones that are more prone to fractures, common in older adults

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$367 received from industry

11 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Anita Carmen Choy's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 40 years in practice

    Senior practitioner

Allergy & ImmunologyAllopathic & Osteopathic Physicians

A physician who specializes in the diagnosis, treatment, and management of allergies.

Taxonomy: 207KA0200X

Practice Footprint

Mailing address

211 Quarry Rd # 106, Palo Alto, CA 94304-1416

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 200034

View hospital on Medicare Care Compare

Virtual Allergy & Immunology Care With Anita Carmen Choy

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Anita Carmen Choy for cholesterol management, blood pressure monitoring, asthma reviews — no travel to Palo Alto required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Anita Carmen Choy

NPI records show Dr. Choy as active with telehealth listed in Palo Alto, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 322-3847.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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