Dr. Jonathan Gamss, MD
- Medicare services, 2024
- 721
- Medicare patients, 2024
- 643
- Part D claims, 2024
- 258
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Practice address
- 1540 State Rte 202, Pomona, NY 10970
- Practice phone
- Call (845) 782-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vladimir Zelenko M.D.
Pomona, New York
Find Dr. Gamss' 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. Jonathan Gamss is an internist in Pomona, New York
Dr. Gamss practices at Vladimir Zelenko M.D. in Pomona, New York.
Dr. Gamss' NPI, 1598922874, was assigned on May 22, 2008. Dr. Gamss holds New York license 246486.
- NPI
- 1598922874NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345311015
- NPI enumeration date
- May 22, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (845) 782-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Gamss practices at Vladimir Zelenko M.D. in Pomona, New York
Dr. Gamss' primary practice is Vladimir Zelenko M.D., at 1540 State Rte 202, Pomona, NY 10970 in Rockland County. The practice phone is (845) 782-0000.
- Vladimir Zelenko M.D.1540 State Rte 202, Pomona, NY 10970 · Rockland CountyPhone(845) 782-0000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan Gamss is affiliated with 10 sites of care and 10 medical groups
Dr. Gamss' primary practice is Vladimir Zelenko M.D. in Pomona, New York. Dr. Gamss is also affiliated with Northern Westchester Hospital. The medical group on file is Vladimir Zelenko MD. Dmand AI also links Dr. Gamss to 2 more hospitals, 9 medical groups, 4 group practices and clinics and 2 physician offices, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan Gamss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gamss practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vladimir Zelenko M.D. | Available with a free account |
| +9 more sites and 9 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Gamss is one of 9,643 internists in New York
Internal medicine is Dr. Gamss' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Gamss' licenses on file in 2 states: New York and New Jersey.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Emergency medicine, New Jersey
Internists near Dr. Gamss
Counts of internists 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. Jonathan Gamss billed Medicare for 721 services in 2024
CMS data shows 721 Medicare services from Dr. Gamss across 8 procedure codes in 2024, for 643 Medicare patients. Medicare paid $85,544 for them.
Dr. Gamss' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6412024: 6989%
- Lab and pathology
- 2023: 732024: 2368%
- Tests and treatments
- 2023: 882024: 0100%
- Other services
- 2023: 112024: 0100%
Where Dr. Gamss' Medicare services took place, 2024
- In an office15922%
- In a facility56278%
Dr. Gamss compared with the New York median for internists, 2024
- Dr. Gamss
- New York median
- Medicare services
- 721vs 42669% above
- Medicare patients
- 643vs 1584.1 times
- Part D claims
- 108vs 62283% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Gamss' 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. Jonathan Gamss treated 643 Medicare patients in 2024, average age 74
CMS counts 643 Medicare patients who saw Dr. Gamss in 2024. The largest group is 65 to 74, with 242 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.25, 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. Gamss' median patient age at 47, with 57% women.
Dr. Gamss' Medicare patients by age, 2024
Dr. Gamss' Medicare patients by sex, 2024
- Women35555%
- Men28845%
Chronic conditions among Dr. Gamss' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Ischemic heart disease50%
- Arthritis49%
- Chronic kidney disease39%
- Anxiety38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gamss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Gamss wrote 258 Medicare Part D claims in 2024
In 2024, Dr. Gamss wrote 258 Medicare Part D claims for 123 patients. 94% of them were for generic drugs. CMS names the drug for 108 of them, across 9 drugs with 11 or more claims each, at $781 in total drug cost. In 2023, CMS named 128 claims across 9 drugs.
Dr. Gamss' Part D claims by kind of drug, 2024
- Generic243 claims94%
- Brand-name15 claims6%
Dr. Gamss' 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. Gamss' Part D claims, 2024
- Antibiotics22%57 of 258 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: 1282024: 10816%
Drugs named by CMS: 9 in 2024, 9 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. Jonathan Gamss scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Gamss for performance year 2024, reported as part of a group. Dr. Gamss accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gamss as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gamss' MIPS scores, performance year 2024
- 100of 100Final score
- 94.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jonathan Gamss received $2,454 in industry payments from 2016 to 2025
CMS Open Payments shows 118 general payments to Dr. Gamss from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $630.
General payments to Dr. Gamss by program year, 2016 to 2025
Companies that paid Dr. Gamss the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan Gamss's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Gamss
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. Jonathan Gamss' NPI number?
Dr. Jonathan Gamss' NPI number is 1598922874. It was assigned on May 22, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Gamss?
Dr. Jonathan Gamss is an internist in Pomona, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan Gamss practice?
Dr. Gamss practices at 1540 State Rte 202, Pomona, NY 10970. Dr. Gamss' primary practice is Vladimir Zelenko M.D. in Pomona, New York. Dmand AI also links Dr. Gamss to 2 hospitals, 9 medical groups, 4 group practices and clinics and 2 physician offices.
What is Dr. Jonathan Gamss' office phone number?
The practice phone on file for Dr. Gamss is (845) 782-0000.
What is Dr. Jonathan Gamss' medical license number?
Dr. Gamss holds New York license 246486, one of the licenses on file in 2 states.
Which states has Dr. Jonathan Gamss been licensed in?
Dmand AI has state licenses on file for Dr. Gamss in New York and New Jersey.
Which hospitals is Dr. Jonathan Gamss affiliated with?
Dr. Gamss is affiliated with Northern Westchester Hospital. Dmand AI links Dr. Gamss to 2 more hospitals.
What medical group is Dr. Jonathan Gamss part of?
Dr. Gamss is linked to Vladimir Zelenko MD. Dmand AI links Dr. Gamss to 9 more medical groups.
Does Dr. Jonathan Gamss accept Medicare?
Yes. CMS data shows Dr. Gamss billed Medicare for 721 services in 2024, and Dr. Gamss accepts Medicare assignment.
Does Dr. Jonathan Gamss offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gamss as offering telehealth services.
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What is Dr. Jonathan Gamss' MIPS score?
Dr. Gamss' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan Gamss see?
CMS counts 643 Medicare patients who saw Dr. Gamss in 2024, with an average age of 74.
What services does Dr. Jonathan Gamss bill to Medicare?
In 2024, Dr. Gamss' most billed Medicare services were emergency department visit (99285), office visit, established patient (99213) and emergency department visit (99284).
What drugs does Dr. Jonathan Gamss prescribe most?
In 2024 Medicare Part D data, Dr. Gamss' most prescribed drugs by claims were Famotidine, Amlodipine Besylate and Albuterol Sulfate Hfa.
Has Dr. Jonathan Gamss received payments from drug or device companies?
CMS Open Payments shows $2,454 in general payments to Dr. Gamss from 21 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jonathan Gamss been practicing?
Dr. Gamss graduated from medical school in 2018, 8 years ago.
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