TOBY LEVENSON MD
NPI 1649288945
Allergy & Immunology in San Jose, CA

Q: What is Toby Levenson's NPI number?

The NPI number for Toby Levenson is 1649288945. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Q: What is Toby Levenson'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 Toby Levenson was last updated on July 24, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.

Active since August 03, 2006PECOS EnrolledAccepts Medicare Assignment

4050 MOORPARK AVENUE, SAN JOSE, CA 95117(408) 243-2700(408) 553-0750 Get Directions Write a Review

NPPES record last updated: July 24, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Toby Levenson Md NPPES

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

TOBY LEVENSON MD (NPI 1649288945) is an individual allergy & immunology provider in San Jose, California, licensed in California (G74286) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1990).

NPPES Registry Identity

NPI1649288945

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameTOBY LEVENSONCredential: MD

Location Address4050 MOORPARK AVENUESan Jose, CA 95117-1840

Mailing Address4050 Moorpark AvenueSan Jose, CA 95117-1840 · (408) 243-2700 · Fax (408) 553-0750

Phone(408) 243-2700

Fax(408) 553-0750

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1990

Enumeration DateAugust 3, 2006

Last NPPES UpdateJuly 24, 2007

✔ NPI 1649288945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CA · G74286

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.

4050 MOORPARK AVENUE, San Jose, CA 95117

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Other Identifiers 1

Medicare UPINF65024

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Toby Levenson Md 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 ID3779661707

PECOS Enrollment IDI20080416000435

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 Reassignments

Medicare enrollment records show Toby Levenson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Allergy & Asthma Associates Of Santa Clara Valley A Medical Corp

Same address

Allergy & Immunology

4050 MOORPARK AVE
San Jose, CA 95117

Reassigned Medicare billing, California enrollment
7 clinicians in this Medicare group

NPI 1962531590 (408) 243-2700

Ucsf Health Medical Foundation

41 mi

Pediatrics

6425 CHRISTIE AVE STE 220
Emeryville, CA 94608

Reassigned Medicare billing, California enrollment
79 clinicians in this Medicare group

NPI 1043628316 (415) 476-7220

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

Areas of Expertise CMS Part B claims 11

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.

1,051 services19 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.

398 services33 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.

374 services31 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

217 services87 patients

Test to measure the level of nitric oxide gas 95012

A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.

183 services75 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.

180 services77 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

134 services77 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

122 services12 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

103 services17 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.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Referred Medical Equipment & Supplies CMS DME claims 5

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

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

5 suppliers35 claims36 services$2.80 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

9 suppliers19 claims1,500 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

21 suppliers66 claims7,326 services$0.81 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

12 suppliers34 claims34 services$24.58 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 90 days Q0514

DME-Other DME · category DE000N

14 suppliers25 claims25 services$50.05 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 4

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

CARRIE A KAUFMANN CPNP

Nurse Practitioner (Pediatrics)

4050 MOORPARK AVENUE
SAN JOSE, CA 95117

Santa Clara County (408) 243-2700

ROBERT T TORRANO MD

Allergy & Immunology

4050 MOORPARK AVENUE
SAN JOSE, CA 95117

Santa Clara County (408) 243-2700

KRISTI M ANNECONE FNP

Allergy & Immunology

4050 MOORPARK AVENUE
SAN JOSE, CA 95117

Santa Clara County (408) 243-2700

THOMAS RICHARD SANTORA MD

Allergy & Immunology

4050 MOORPARK AVENUE
SAN JOSE, CA 95117

Santa Clara County (408) 243-2700

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 Toby Levenson's NPI number?

The NPI number for Toby Levenson is 1649288945. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Where is Toby Levenson located?

Toby Levenson practices at 4050 Moorpark Avenue, San Jose, CA 95117. The listed phone number is (408) 243-2700.

What is Toby Levenson's specialty?

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

Is Toby Levenson enrolled in Medicare?

Yes. Toby Levenson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Toby Levenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Toby Levenson reassigns Medicare benefits to 2 organizations: Allergy & Asthma Associates Of Santa Clara Valley A Medical Corp (San Jose, CA) and Ucsf Health Medical Foundation (Emeryville, CA). Each 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 Toby Levenson'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 Toby Levenson was last updated on July 24, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.