EthnicityLupus Erythematosus, SystemicSocioeconomic Factors
Dr. Romy S. Kallas, MD
NPI1629563978PAC ID5395161624
- Part D claims, 2024
- 417
- Publications
- 8
- Hospital affiliations
- 1
- Industry payments
- $542
- Medical group
- 1
- Practice address
- 535 East 70th Street, New York, NY 10021
- Practice phone
- Call (212) 606-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Romy S. Kallas is a rheumatologist in New York, New York
Dr. Kallas practices at Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery.
Dr. Kallas' NPI, 1629563978, was assigned on June 28, 2018. Dr. Kallas graduated from American University of Beirut Faculty of Medicine in 2012. Dr. Kallas holds New York license 314732.
NPI and contact details
- NPI
- 1629563978NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395161624
- NPI enumeration date
- June 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 606-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Romy S. Kallas practices at Hospital for Special Surgery in New York, New York
Dr. Kallas' primary practice is Hospital for Special Surgery, at 535 East 70th Street, New York, NY 10021 in New York County. The practice phone is (212) 606-1000.
- Hospital for Special Surgery535 East 70th Street, New York, NY 10021 · New York CountyPhone(212) 606-1000
Source: Dmand AI Affiliation Data
Dr. Romy S. Kallas is affiliated with 1 site of care and 1 medical group
Dr. Kallas' primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery. The medical group on file is Hospital for Special Surgery.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Romy S. Kallas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kallas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital for Special Surgery | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Romy S. Kallas is one of 514 rheumatologists in New York
Rheumatology is Dr. Kallas' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Kallas is licensed in New York.
Specialties and state licenses
- Rheumatology, New YorkPrimary
Rheumatologists near Dr. Kallas
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
514rheumatologists in New York159rheumatologists in New York27rheumatologists at Hospital for Special Surgery
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Romy S. Kallas' patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Kallas' median patient age at 49, with 80% women.
Dr. Kallas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women80%
- Men15%
Source: Dmand AI Patient Panel Data
Dr. Romy S. Kallas wrote 417 Medicare Part D claims in 2024
In 2024, Dr. Kallas wrote 417 Medicare Part D claims for 51 patients. 84% of them were for generic drugs. CMS names the drug for 261 of them, across 10 drugs with 11 or more claims each, at $347,191 in total drug cost. In 2023, CMS named 174 claims across 5 drugs.
Part D claims, 2024417
Drugs named by CMS10
Total drug cost$347,191
Part D patients51
Dr. Kallas' Part D claims by kind of drug, 2024
- Generic351 claims84%
- Brand-name66 claims16%
Dr. Kallas' 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: 1742024: 26150%
Drugs named by CMS: 10 in 2024, 5 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. Romy S. Kallas offers telehealth to Medicare patients
Dr. Kallas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kallas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Romy S. Kallas has 8 publications on record
Dmand AI links 8 papers to Dr. Kallas, published from 2016 to 2022. 2018 was the busiest year, with 2. The most frequent topics are Lupus Erythematosus, Systemic and Osteonecrosis. Dr. Kallas' most frequent co-authors are Michelle A. Petri, MD, Elie Akl, MD and Corbett T. Berry, MD.
Papers8
Years published2016 to 2022
Dr. Kallas' papers by year, 2016 to 2022
Topics Dr. Kallas writes about most
- Lupus Erythematosus, Systemic
- Osteonecrosis
Dr. Kallas' most frequent co-authors
Recent publications by Dr. Kallas
Arthritis Care Res (Hoboken)
Lupus Erythematosus, SystemicOsteonecrosisPrednisone
AlopeciaArthritisAtherosclerosis
See who Dr. Kallas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kallas works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Romy S. Kallas received $542 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Kallas from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Aurinia Pharma U.S., Inc. paid the most, $235.
General payments to Dr. Kallas by program year, 2024 to 2025
Companies that paid Dr. Kallas the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Romy S. Kallas graduated from American University of Beirut Faculty of Medicine
Dr. Kallas graduated from American University of Beirut Faculty of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Romy S. Kallas'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Romy S. Kallas
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. Romy S. Kallas' NPI number?
Dr. Romy S. Kallas' NPI number is 1629563978. It was assigned on June 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Romy S. Kallas?
Dr. Romy S. Kallas is a rheumatologist in New York, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Romy S. Kallas practice?
Dr. Kallas practices at 535 East 70th Street, New York, NY 10021. Dr. Kallas' primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery.
What is Dr. Romy S. Kallas' office phone number?
The practice phone on file for Dr. Kallas is (212) 606-1000.
What is Dr. Romy S. Kallas' medical license number?
Dr. Kallas holds New York license 314732.
Which hospitals is Dr. Romy S. Kallas affiliated with?
Dr. Kallas practices at Hospital for Special Surgery in New York, New York.
What medical group is Dr. Romy S. Kallas part of?
Dr. Kallas is linked to Hospital for Special Surgery.
Does Dr. Romy S. Kallas accept Medicare?
Yes. CMS lists Dr. Kallas as accepting Medicare assignment.
Does Dr. Romy S. Kallas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kallas as offering telehealth services.
Where did Dr. Romy S. Kallas go to medical school?
Dr. Kallas graduated from American University of Beirut Faculty of Medicine in 2012.
Show 5 more questionsShow fewer questions
What drugs does Dr. Romy S. Kallas prescribe most?
In 2024 Medicare Part D data, Dr. Kallas' most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Romy S. Kallas received payments from drug or device companies?
CMS Open Payments shows $542 in general payments to Dr. Kallas from 3 companies from 2024 to 2025. The largest total came from Aurinia Pharma U.S., Inc.
How long has Dr. Romy S. Kallas been practicing?
Dr. Kallas graduated from medical school in 2012, 14 years ago.
Does Dr. Romy S. Kallas do research?
Dmand AI links 8 publications to Dr. Kallas, published from 2016 to 2022.
Who does Dr. Romy S. Kallas publish with?
Dr. Kallas' most frequent co-authors are Michelle A. Petri, MD (4 shared papers), Elie Akl, MD (1 shared paper) and Corbett T. Berry, MD (1 shared paper).
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