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Edit this profileAt a glance
- 4050 Moorpark Avenue, San Jose, CA 95117
About Dr. Levenson
Based in San Jose, CA, Toby Levenson, MD is listed in the NPI registry under allergy & immunology. Toby graduated from Northwestern University Feinberg Medical School in 1990. Medicare claims data shows Toby provided 2,791 services to 457 patients. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and professional service for multiple injections of allergen. NPI 1649288945 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 243-2700
- Email not available
Practice Locations
4050 MOORPARK AVENUE
San Jose, CA 95117
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Procedures & services
Most searched procedures
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
Procedures Most Often Billed to Medicare
2,791 services · 457 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,051 | As often as other peers in Allergy & Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
398 | Less often than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
374 | As often as other peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
217 | More than most peers in Allergy & Immunology |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
183 | More than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
122 | Less often than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
103 | Less often than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
180 | More often than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
134 | More often than most peers in Allergy & Immunology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | Less often than most peers in Allergy & Immunology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other allergists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other allergists in San Jose 3
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Levenson?
Dr. Levenson is an allergist in San Jose, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Dr. Levenson's address?
Dr. Levenson is listed at 4050 Moorpark Avenue, San Jose, CA 95117. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Levenson?
The number on file is (408) 243-2700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Levenson?
Dr. Levenson's National Provider Identifier is 1649288945. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Levenson train?
Dr. Levenson attended Northwestern University Feinberg Medical School, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Levenson have?
Dr. Levenson has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Levenson perform?
According to Medicare billing data, Dr. Levenson provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Levenson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Levenson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.