Dr. Gary P. Wormser, MD
- Medicare services, 2023
- 13
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 34
- Hospital affiliations
- 1
- Industry payments
- $13
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Gary P. Wormser is an infectious disease specialist in Valhalla, New York
Dr. Wormser practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Wormser's NPI, 1790708428, was assigned on July 25, 2006. Dr. Wormser graduated from Johns Hopkins University School of Medicine in 1972. Dr. Wormser holds New York license 130552.
- NPI
- 1790708428NPI Registry (opens in a new tab)
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary P. Wormser practices at Westchester Medical Center in Valhalla, New York
Dr. Wormser's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Gary P. Wormser is affiliated with 2 sites of care and 1 medical group
Dr. Wormser's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. The medical group on file is Boston Children's Health Physicians. Dmand AI also links Dr. Wormser 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. Gary P. Wormser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wormser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester 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. Gary P. Wormser is one of 825 infectious disease specialists in New York
Infectious disease is Dr. Wormser's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Wormser is licensed in New York.
Specialties and state licenses
- Infectious disease, New YorkPrimary
Infectious disease specialists near Dr. Wormser
Counts of infectious disease specialists 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. Gary P. Wormser billed Medicare for 13 services in 2023
CMS data shows 13 Medicare services from Dr. Wormser across 1 procedure code in 2023, all of them office visits, for 13 Medicare patients. Medicare paid $1,372 for them. Every service was in an office.
Dr. Wormser's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 152023: 1313%
Dr. Wormser compared with the New York median for infectious disease specialists, 2023
- Dr. Wormser
- New York median
- Medicare services
- 13vs 23895% below
- Medicare patients
- 13vs 13490% below
- Part D claims
- 12vs 16293% below
Medians across 791 infectious disease specialists in New York with Dmand AI profiles that report each measure.
Dr. Wormser's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wormser and other infectious disease specialists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary P. Wormser treated 13 Medicare patients in 2024, average age 71
CMS counts 13 Medicare patients who saw Dr. Wormser in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high cholesterol. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Wormser's median patient age at 75, with 0% women.
Dr. Wormser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Wormser's Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wormser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary P. Wormser wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Wormser wrote 34 Medicare Part D claims. 62% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $59,527 in total drug cost. In 2021, CMS named 13 claims across 1 drug.
Dr. Wormser's Part D claims by kind of drug, 2024
- Generic21 claims62%
- Brand-name13 claims38%
Dr. Wormser's most prescribed drugs by claims, 2023
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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 132023: 128%
Drugs named by CMS: 1 in 2023, 1 in 2021.
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. Gary P. Wormser received $13 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Wormser from 1 drug or device company in 2020. Education make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $13.
Companies that paid Dr. Wormser the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary P. Wormser graduated from Johns Hopkins University School of Medicine
Dr. Wormser graduated from Johns Hopkins University School of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary P. Wormser'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. Gary P. Wormser
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. Gary P. Wormser's NPI number?
Dr. Gary P. Wormser's NPI number is 1790708428. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary P. Wormser?
Dr. Gary P. Wormser is an infectious disease specialist in Valhalla, New York. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Gary P. Wormser practice?
Dr. Wormser practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Wormser's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Wormser to 1 group practice or clinic.
What is Dr. Gary P. Wormser's office phone number?
The practice phone on file for Dr. Wormser is (914) 493-7000.
What is Dr. Gary P. Wormser's medical license number?
Dr. Wormser holds New York license 130552.
Which hospitals is Dr. Gary P. Wormser affiliated with?
Dr. Wormser practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Gary P. Wormser part of?
Dr. Wormser is linked to Boston Children's Health Physicians.
Does Dr. Gary P. Wormser accept Medicare?
Yes. CMS data shows Dr. Wormser billed Medicare for 13 services in 2023.
How many Medicare patients does Dr. Gary P. Wormser see?
CMS counts 13 Medicare patients who saw Dr. Wormser in 2024, with an average age of 71.
What services does Dr. Gary P. Wormser bill to Medicare?
In 2023, Dr. Wormser's most billed Medicare services were office visit, new patient (99203).
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Where did Dr. Gary P. Wormser go to medical school?
Dr. Wormser graduated from Johns Hopkins University School of Medicine in 1972.
What drugs does Dr. Gary P. Wormser prescribe most?
In 2023 Medicare Part D data, Dr. Wormser's most prescribed drugs by claims were Symtuza.
Has Dr. Gary P. Wormser received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Wormser from 1 company from 2020 to 2020. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Gary P. Wormser been practicing?
Dr. Wormser graduated from medical school in 1972, 54 years ago.
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