RAJASHRI S IYENGAR M.D.
NPI 1811004476
Allergy & Immunology in San Carlos, CA

Q: What is Rajashri Iyengar's NPI number?

The NPI number for Rajashri Iyengar is 1811004476. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Q: What is Rajashri Iyengar's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Rajashri Iyengar was last updated on May 28, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 23, 2006PECOS EnrolledAccepts Medicare Assignment

301 INDUSTRIAL RD, SAN CARLOS, CA 94070(650) 596-4150 Get Directions Write a Review

NPPES record last updated: May 28, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Rajashri S Iyengar M.d. NPPES

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

RAJASHRI S IYENGAR M.D. (NPI 1811004476) is an individual allergy & immunology provider in San Carlos, California, licensed in California (84762) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Duke University School Of Medicine (2002).

NPPES Registry Identity

NPI1811004476

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameRAJASHRI S IYENGARCredential: M.D.

Location Address301 INDUSTRIAL RDSan Carlos, CA 94070-2603

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 596-4150

Phone(650) 596-4150

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 2002

Enumeration DateAugust 23, 2006

Last NPPES UpdateMay 28, 2020

NPPES CertifiedMay 28, 2020

✔ NPI 1811004476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CA · 84762

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.

Also ListedPediatricsTaxonomy 208000000X · License 229490 (MA)

301 INDUSTRIAL RD, San Carlos, CA 94070

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Secondary Practice Location 1

Location 1795 El Camino RealPalo Alto, CA 94330-2302 · Phone (650) 853-2981

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rajashri S Iyengar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729155049

PECOS Enrollment IDI20141028002807

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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,219 services27 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

930 services53 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

753 services59 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

153 services97 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

46 services37 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

32 services32 patients

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier13 claims52 services$18.27 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims7,800 services$9.51 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

2 suppliers18 claims124 services$2.36 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REBECCA ASHE MD

Internal Medicine