Dr. Janet L. Claassen, MD
- Medicare services, 2024
- 133
- Medicare patients, 2024
- 80
- Part D claims, 2024
- 403
- Hospital affiliations
- 1
- Industry payments
- $1,959
- Practice address
- 43 New Scotland Avenue, Mail Code 34, Albany, NY 12208
- Practice phone
- Call (518) 262-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Claassen's professional email, personal email and mobile number
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Dr. Janet L. Claassen is an allergy physician in Albany, New York
Dr. Claassen practices at Albany Medical Center in Albany, New York, part of Albany Med Health System.
Dr. Claassen's NPI, 1689675605, was assigned on August 2, 2005. Dr. Claassen graduated from University of Wisconsin School of Medicine and Public Health in 1983. Dr. Claassen holds New York license 182037.
- NPI
- 1689675605NPI Registry (opens in a new tab)
- NPI enumeration date
- August 2, 2005
- NPI status
- Active
- Practice phone
- (518) 262-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Janet L. Claassen practices at Albany Medical Center in Albany, New York
Dr. Claassen's primary practice is Albany Medical Center, at 43 New Scotland Avenue, Mail Code 34, Albany, NY 12208 in Albany County. The practice phone is (518) 262-2400.
- Albany Medical Center43 New Scotland Avenue, Mail Code 34, Albany, NY 12208 · Albany CountyPhone(518) 262-2400
Source: Dmand AI Affiliation Data
Dr. Janet L. Claassen is affiliated with 2 sites of care and 1 medical group
Dr. Claassen's primary practice is Albany Medical Center in Albany, New York, part of Albany Med Health System. The medical group on file is Certified Allergy & Asthma Consultants. Dmand AI also links Dr. Claassen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Janet L. Claassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Claassen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Albany Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Janet L. Claassen is one of 86 allergy physicians in New York
Allergy is Dr. Claassen's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Claassen is licensed in New York.
Specialties and state licenses
- Allergy, New YorkPrimary
Allergy physicians near Dr. Claassen
Counts of allergy physicians 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. Janet L. Claassen billed Medicare for 133 services in 2024
CMS data shows 133 Medicare services from Dr. Claassen across 5 procedure codes in 2024, for 80 Medicare patients. Medicare paid $3,511 for them. Every service was in an office.
Dr. Claassen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6362024: 10284%
- Office and hospital visits
- 2023: 962024: 3168%
- Drugs given in the office
- 2023: 1,5002024: 0100%
Dr. Claassen compared with the New York median for allergy physicians, 2024
- Dr. Claassen
- New York median
- Medicare services
- 133vs 1,61292% below
- Medicare patients
- 80vs 11128% below
- Part D claims
- 323vs 22345% above
Medians across 86 allergy physicians in New York with Dmand AI profiles that report each measure.
Dr. Claassen'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Janet L. Claassen treated 80 Medicare patients in 2024, average age 71
CMS counts 80 Medicare patients who saw Dr. Claassen in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Claassen's median patient age at 23, with 52% women.
Dr. Claassen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Claassen's Medicare patients by sex, 2024
- Women5366%
- Men2734%
Chronic conditions among Dr. Claassen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Asthma51%
- Arthritis48%
- Ischemic heart disease33%
- Diabetes25%
- Anxiety18%
- Osteoporosis16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Claassen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Janet L. Claassen wrote 403 Medicare Part D claims in 2024
In 2024, Dr. Claassen wrote 403 Medicare Part D claims for 93 patients. 62% of them were for generic drugs. CMS names the drug for 323 of them, across 11 drugs with 11 or more claims each, at $32,838 in total drug cost. In 2023, CMS named 667 claims across 19 drugs.
Dr. Claassen's Part D claims by kind of drug, 2024
- Generic251 claims62%
- Brand-name152 claims38%
Dr. Claassen'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6672024: 32352%
Drugs named by CMS: 11 in 2024, 19 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
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Dr. Janet L. Claassen received $1,959 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Claassen from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Genentech, Inc. paid the most, $368.
General payments to Dr. Claassen by program year, 2016 to 2025
General payments to Dr. Claassen by kind, 2016 to 2025
- Food and beverage$1,93699%
- Education$231%
Companies that paid Dr. Claassen 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. Janet L. Claassen graduated from University of Wisconsin School of Medicine and Public Health
Dr. Claassen graduated from University of Wisconsin School of Medicine and Public Health in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Janet L. Claassen'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Janet L. Claassen
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. Janet L. Claassen's NPI number?
Dr. Janet L. Claassen's NPI number is 1689675605. It was assigned on August 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Janet L. Claassen?
Dr. Janet L. Claassen is an allergy physician in Albany, New York. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Janet L. Claassen practice?
Dr. Claassen practices at 43 New Scotland Avenue, Mail Code 34, Albany, NY 12208. Dr. Claassen's primary practice is Albany Medical Center in Albany, New York, part of Albany Med Health System. Dmand AI also links Dr. Claassen to 1 group practice or clinic.
What is Dr. Janet L. Claassen's office phone number?
The practice phone on file for Dr. Claassen is (518) 262-2400.
What is Dr. Janet L. Claassen's medical license number?
Dr. Claassen holds New York license 182037.
Which hospitals is Dr. Janet L. Claassen affiliated with?
Dr. Claassen practices at Albany Medical Center in Albany, New York.
What medical group is Dr. Janet L. Claassen part of?
Dr. Claassen is linked to Certified Allergy & Asthma Consultants.
Does Dr. Janet L. Claassen accept Medicare?
Yes. CMS data shows Dr. Claassen billed Medicare for 133 services in 2024.
How many Medicare patients does Dr. Janet L. Claassen see?
CMS counts 80 Medicare patients who saw Dr. Claassen in 2024, with an average age of 71.
What services does Dr. Janet L. Claassen bill to Medicare?
In 2024, Dr. Claassen's most billed Medicare services were allergy test or treatment (95117), allergy test or treatment (95115) and lung function service (94010).
Show 4 more questionsShow fewer questions
Where did Dr. Janet L. Claassen go to medical school?
Dr. Claassen graduated from University of Wisconsin School of Medicine and Public Health in 1983.
What drugs does Dr. Janet L. Claassen prescribe most?
In 2024 Medicare Part D data, Dr. Claassen's most prescribed drugs by claims were Montelukast Sodium, Albuterol Sulfate Hfa and Advair Hfa.
Has Dr. Janet L. Claassen received payments from drug or device companies?
CMS Open Payments shows $1,959 in general payments to Dr. Claassen from 8 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Janet L. Claassen been practicing?
Dr. Claassen graduated from medical school in 1983, 43 years ago.
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