Ann Allergy Asthma Immunol
Dr. Toby Levenson, MD
- Medicare services, 2024
- 2,791
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 757
- Publications
- 7
- MIPS score, 2024
- 82
- Practice address
- 4050 Moorpark Ave, San Jose, CA 95117
- Practice phone
- Call (408) 243-2700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy And Asthma Associates Of Northern California A Medical Corp
Medical specialty practice · San Jose, California
Find Dr. Levenson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Toby Levenson is an allergist and immunologist in San Jose, California
Dr. Levenson practices at Allergy And Asthma Associates Of Northern California A Medical Corp in San Jose, California.
Dr. Levenson's NPI, 1649288945, was assigned on August 3, 2006. Dr. Levenson graduated from Feinberg School of Medicine in 1990. Dr. Levenson holds California license G74286.
- NPI
- 1649288945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779661707
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 243-2700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Toby Levenson practices at Allergy and Asthma Associates of Northern California A Medical Corp in San Jose, California
Dr. Levenson's primary practice is Allergy and Asthma Associates of Northern California A Medical Corp, at 4050 Moorpark Ave, San Jose, CA 95117. The practice phone is (408) 243-2700.
- Allergy and Asthma Associates of Northern California A Medical Corp4050 Moorpark Ave, San Jose, CA 95117Phone(408) 243-2700
Source: Dmand AI Affiliation Data
Dr. Toby Levenson is affiliated with 3 sites of care and 2 medical groups
Dr. Levenson's primary practice is Allergy And Asthma Associates Of Northern California A Medical Corp in San Jose, California. Dr. Levenson is also affiliated with Washington Health. The medical group on file is BayChildren's Medical Group. Dmand AI also links Dr. Levenson to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Toby Levenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Levenson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy And Asthma Associates Of Northern California A Medical Corp | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Toby Levenson is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Levenson's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Levenson is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Levenson's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, chronic sinusitis, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Levenson treats.
Allergists and immunologists near Dr. Levenson
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Toby Levenson billed Medicare for 2,791 services in 2024
CMS data shows 2,791 Medicare services from Dr. Levenson across 11 procedure codes in 2024, for 142 Medicare patients. Medicare paid $60,287 for them. Every service was in an office.
Dr. Levenson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,7322024: 2,44810%
- Office and hospital visits
- 2023: 3312024: 3434%
Dr. Levenson compared with the California median for allergists and immunologists, 2024
- Dr. Levenson
- California median
- Medicare services
- 2,791vs 1,84052% above
- Medicare patients
- 142vs 145Close to median
- Part D claims
- 580vs 2592.2 times
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Levenson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Levenson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Levenson and other allergists and immunologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Toby Levenson treated 142 Medicare patients in 2024, average age 75
CMS counts 142 Medicare patients who saw Dr. Levenson in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Levenson's median patient age at 44, with 63% women.
Dr. Levenson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Levenson's Medicare patients by sex, 2024
- Women9869%
- Men4431%
Chronic conditions among Dr. Levenson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Asthma65%
- Arthritis47%
- Ischemic heart disease27%
- Osteoporosis27%
- Diabetes23%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Levenson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Toby Levenson wrote 757 Medicare Part D claims in 2024
In 2024, Dr. Levenson wrote 757 Medicare Part D claims for 133 patients. 59% of them were for generic drugs. CMS names the drug for 580 of them, across 17 drugs with 11 or more claims each, at $315,204 in total drug cost. In 2023, CMS named 509 claims across 16 drugs.
Dr. Levenson's Part D claims by kind of drug, 2024
- Generic450 claims59%
- Brand-name307 claims41%
Dr. Levenson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Levenson's Part D claims, 2024
- Antibiotics11%81 of 757 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5092024: 58014%
Drugs named by CMS: 17 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Toby Levenson scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Levenson for performance year 2024, reported as part of a group. Dr. Levenson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Levenson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Levenson's MIPS scores, performance year 2024
- 82of 100Final score
- 89.1of 100Quality
- 71of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Toby Levenson has 7 publications on record
Dmand AI links 7 papers to Dr. Levenson. The most frequent topics are Asthma, Patient Compliance and Rhinitis. Dr. Levenson has published most often in Allergy Asthma Proc. Dr. Levenson's most frequent co-author is Anita Carmen Choy, MD.
Topics Dr. Levenson writes about most
- Asthma
- Patient Compliance
- Rhinitis
Dr. Levenson's most frequent co-authors
Recent publications by Dr. Levenson
Chest
Allergy Asthma Proc
Allergy Asthma Proc
Allergy Asthma Proc
See who Dr. Levenson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Levenson works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Toby Levenson received $7,385 in industry payments from 2016 to 2025
CMS Open Payments shows 360 general payments to Dr. Levenson from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $2,149.
General payments to Dr. Levenson by program year, 2016 to 2025
General payments to Dr. Levenson by kind, 2016 to 2025
- Food and beverage$7,24798%
- Education$1382%
Companies that paid Dr. Levenson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Toby Levenson graduated from Feinberg School of Medicine
Dr. Levenson graduated from Feinberg School of Medicine in 1990. Dr. Levenson is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Toby Levenson accepts plans from 8 insurance carriers
Dr. Levenson is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Cigna
- CMS Medicare
Plan types Dr. Levenson accepts, by number of carriers
- Medicare7
- PPO7
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Toby Levenson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Toby Levenson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Toby Levenson's NPI number?
Dr. Toby Levenson's NPI number is 1649288945. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Toby Levenson?
Dr. Toby Levenson is an allergist and immunologist in San Jose, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Toby Levenson practice?
Dr. Levenson practices at 4050 Moorpark Ave, San Jose, CA 95117. Dr. Levenson's primary practice is Allergy And Asthma Associates Of Northern California A Medical Corp in San Jose, California. Dmand AI also links Dr. Levenson to 1 group practice or clinic and 1 medical group.
What is Dr. Toby Levenson's office phone number?
The practice phone on file for Dr. Levenson is (408) 243-2700.
What is Dr. Toby Levenson's medical license number?
Dr. Levenson holds California license G74286, one of the licenses on file in 2 states.
Which states has Dr. Toby Levenson been licensed in?
Dmand AI has state licenses on file for Dr. Levenson in California (1992 to 2026) and Illinois (1994 to 1996).
Which hospitals is Dr. Toby Levenson affiliated with?
Dr. Levenson is affiliated with Washington Health.
What medical group is Dr. Toby Levenson part of?
Dr. Levenson is linked to BayChildren's Medical Group. Dmand AI links Dr. Levenson to 1 more medical group.
Does Dr. Toby Levenson accept Medicare?
Yes. CMS data shows Dr. Levenson billed Medicare for 2,791 services in 2024, and Dr. Levenson accepts Medicare assignment.
Does Dr. Toby Levenson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Levenson as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Toby Levenson's MIPS score?
Dr. Levenson's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Toby Levenson see?
CMS counts 142 Medicare patients who saw Dr. Levenson in 2024, with an average age of 75.
Is Dr. Toby Levenson board certified?
Yes. Dr. Levenson is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Toby Levenson bill to Medicare?
In 2024, Dr. Levenson's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Where did Dr. Toby Levenson go to medical school?
Dr. Levenson graduated from Feinberg School of Medicine in 1990.
What drugs does Dr. Toby Levenson prescribe most?
In 2024 Medicare Part D data, Dr. Levenson's most prescribed drugs by claims were Montelukast Sodium, Prednisone and Albuterol Sulfate Hfa.
Has Dr. Toby Levenson received payments from drug or device companies?
CMS Open Payments shows $7,385 in general payments to Dr. Levenson from 23 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Toby Levenson been practicing?
Dr. Levenson graduated from medical school in 1990, 36 years ago.
Does Dr. Toby Levenson do research?
Dmand AI links 7 publications to Dr. Levenson.
Who does Dr. Toby Levenson publish with?
Dr. Levenson's most frequent co-authors are Anita Carmen Choy, MD (1 shared paper).
What insurance does Dr. Toby Levenson accept?
Dr. Levenson is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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