Dr. Tro Kalayjian, DO
- Medicare services, 2021
- 44
- Part D claims, 2024
- 452
- Hospital affiliations
- 1
- State licenses
- 2
- Year NPI issued
- 2011
- Practice address
- 255 Lafayette Avenue, Suffern, NY 10901
- Practice phone
- Call (914) 368-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kalayjian'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. Tro Kalayjian is an internist in Suffern, New York
Dr. Kalayjian practices at Good Samaritan Hospital in Suffern, New York, part of Westchester Medical Center Health Network.
Dr. Kalayjian's NPI, 1558660720, was assigned on March 27, 2011. Dr. Kalayjian holds New Jersey license 25MB09475200.
- NPI
- 1558660720NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2011
- NPI status
- Active
- Practice phone
- (914) 368-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tro Kalayjian practices at Good Samaritan Hospital in Suffern, New York
Dr. Kalayjian's primary practice is Good Samaritan Hospital, at 255 Lafayette Avenue, Suffern, NY 10901 in Rockland County. The practice phone is (914) 368-5000.
- Good Samaritan Hospital255 Lafayette Avenue, Suffern, NY 10901 · Rockland CountyPhone(914) 368-5000
Source: Dmand AI Affiliation Data
Dr. Tro Kalayjian is affiliated with 1 site of care
Dr. Kalayjian's primary practice is Good Samaritan Hospital in Suffern, New York, part of Westchester Medical Center Health Network.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tro Kalayjian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalayjian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tro Kalayjian is one of 9,643 internists in New York
Internal medicine is Dr. Kalayjian's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Kalayjian's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
- Obesity medicine (family medicine), New York
Internists near Dr. Kalayjian
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. Tro Kalayjian billed Medicare for 44 services in 2021
CMS data shows 44 Medicare services from Dr. Kalayjian across 2 procedure codes in 2021. Medicare paid $6,565 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kalayjian's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1082021: 4459%
Dr. Kalayjian compared with the New York median for internists, 2021
- Dr. Kalayjian
- New York median
- Medicare services
- 44vs 42690% below
- Part D claims
- 211vs 62266% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Kalayjian's most billed Medicare procedure codes, 2021
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. Kalayjian and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tro Kalayjian's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Kalayjian's median patient age at 58, with 38% women.
Dr. Kalayjian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women38%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Tro Kalayjian wrote 452 Medicare Part D claims in 2024
In 2024, Dr. Kalayjian wrote 452 Medicare Part D claims for 37 patients. 65% of them were for generic drugs. CMS names the drug for 211 of them, across 10 drugs with 11 or more claims each, at $88,718 in total drug cost. In 2023, CMS named 118 claims across 6 drugs.
Dr. Kalayjian's Part D claims by kind of drug, 2024
- Generic292 claims65%
- Brand-name and other160 claims35%
Dr. Kalayjian'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. Kalayjian's Part D claims, 2024
- Antibiotics4%16 of 452 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: 1182024: 21179%
Drugs named by CMS: 10 in 2024, 6 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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Sources for Dr. Tro Kalayjian'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 Data |
| 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) |
| 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. Tro Kalayjian
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. Tro Kalayjian's NPI number?
Dr. Tro Kalayjian's NPI number is 1558660720. It was assigned on March 27, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Tro Kalayjian?
Dr. Tro Kalayjian is an internist in Suffern, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tro Kalayjian practice?
Dr. Kalayjian practices at 255 Lafayette Avenue, Suffern, NY 10901. Dr. Kalayjian's primary practice is Good Samaritan Hospital in Suffern, New York, part of Westchester Medical Center Health Network.
What is Dr. Tro Kalayjian's office phone number?
The practice phone on file for Dr. Kalayjian is (914) 368-5000.
What is Dr. Tro Kalayjian's medical license number?
Dr. Kalayjian holds New Jersey license 25MB09475200, one of the licenses on file in 2 states.
Which states has Dr. Tro Kalayjian been licensed in?
Dmand AI has state licenses on file for Dr. Kalayjian in New Jersey and New York.
Which hospitals is Dr. Tro Kalayjian affiliated with?
Dr. Kalayjian practices at Good Samaritan Hospital in Suffern, New York.
Does Dr. Tro Kalayjian accept Medicare?
Yes. CMS data shows Dr. Kalayjian billed Medicare for 44 services in 2021.
What services does Dr. Tro Kalayjian bill to Medicare?
In 2021, Dr. Kalayjian's most billed Medicare services were hospital inpatient care (99223) and medical service (99220).
What drugs does Dr. Tro Kalayjian prescribe most?
In 2024 Medicare Part D data, Dr. Kalayjian's most prescribed drugs by claims were Vascepa, Ozempic and Mounjaro.
How long has Dr. Tro Kalayjian been practicing?
Dr. Kalayjian graduated from medical school in 2011, 15 years ago.
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