Tro Kalayjian, D.O.
NPI 1558660720 · Internal Medicine Physician · Tappan, NY
Tro Kalayjian, D.O. is a Internal Medicine Physician provider in Tappan, NY (NPI 1558660720).
Provider details
- NPI number
- 1558660720
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 89983508 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Icosapent Ethylbrand: Vascepa | 32 |
| Semaglutidebrand: Ozempic | 31 |
| Tirzepatidebrand: Mounjaro | 30 |
| Rosuvastatin Calcium | 24 |
| Levothyroxine Sodium | 22 |
| Amlodipine Besylate | 20 |
| Liothyronine Sodium | 15 |
| Lisinopril | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-27
- Last updated
- 2019-09-04
Frequently asked questions
- What is Tro Kalayjian's NPI number?
- Tro Kalayjian's National Provider Identifier (NPI) is 1558660720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tro Kalayjian's specialty?
- Tro Kalayjian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tro Kalayjian located?
- Tro Kalayjian's practice location on file with NPPES is 84 Route 303, Tappan, NY 10983-2806.
- What is Tro Kalayjian's phone number?
- The practice phone number listed in the NPPES registry for Tro Kalayjian is (845) 397-2873.
- Is Tro Kalayjian's NPI active?
- Yes — Tro Kalayjian's NPI (1558660720) is active in the NPPES registry as of the last update on 2019-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.