Toby Levenson, MD
NPI 1649288945 · Allergy & Immunology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Toby Levenson, MD is a Allergy & Immunology Physician provider in San Jose, CA (NPI 1649288945).
Provider details
- NPI number
- 1649288945
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G74286 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,791 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 1,051 | $5 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 398 | $20 |
| Professional Service for Multiple Injections of Allergen95117 | 374 | $17 |
| Test to Measure Expiratory Airflow and Volume94010 | 217 | $36 |
| Test to Measure the Level of Nitric Oxide Gas95012 | 183 | $26 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 180 | $154 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 140 | 38 |
| Prednisone | 88 | 50 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 60 | 28 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 44 | 14 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 27 | — |
| Fluticasone Furoatebrand: Arnuity Ellipta | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,174 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2007-07-24
Frequently asked questions
- What is Toby Levenson's NPI number?
- Toby Levenson's National Provider Identifier (NPI) is 1649288945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toby Levenson's specialty?
- Toby Levenson is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Toby Levenson located?
- Toby Levenson's practice location on file with NPPES is 4050 Moorpark Avenue, San Jose, CA 95117-1840.
- What is Toby Levenson's phone number?
- The practice phone number listed in the NPPES registry for Toby Levenson is (408) 243-2700.
- Does Toby Levenson accept Medicare?
- Toby Levenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Toby Levenson's NPI active?
- Yes — Toby Levenson's NPI (1649288945) is active in the NPPES registry as of the last update on 2007-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.