NPPES file of Aug 9, 2026

Romy S. Kallas, MD

Rheumatology Physician · New York, NY

Romy S. Kallas, MD is a rheumatology physician with a practice address in New York, New York, and NPI 1629563978, issued on Jun 28, 2018. Check the license (New York 314732, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629563978
Name
Romy S. Kallas
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
314732 NY
Self-reported in NPPES; status is on the state search
Practice location
535 E 70TH St, New York, NY 10021
Phone
(212) 774-2189
Enumerated
Jun 28, 2018
Record last updated
Jul 25, 2023
Medicare enrollment
Enrolled (PECOS I20250911000765); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 535 E 70TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dana Aaron, PT, DPT, OCSOrthopedic Physical Therapist1609423045
  2. Matthew Abola, MDOrthopaedic Hand Surgery Physician1942864889
  3. Caroline Accardi, FNP-BCFamily Nurse Practitioner1346000163
  4. Emmanuel Adamptey, PASurgical Physician Assistant1871209031
  5. Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
  6. Michael AdashevSurgical Physician Assistant1609312156

Verify Romy S. Kallas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 314732
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average rheumatology physician in 2024

417 Medicare Part D claims for 51 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Romy Kallas417
  2. Specialty average1,978

Most prescribed

  1. Methotrexate63 claims
  2. Prednisone46 claims
  3. Hydroxychloroquine Sulfate40 claims
  4. Diclofenac Sodium23 claims
  5. Gammaplex20 claims
  6. Duloxetine Hcl15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $133.89

1 payment: food and beverage; the largest payer was Aurinia Pharma U.S., Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Romy Kallas$133.89
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. New York Society For The Relief OF Ruptured And Crippled MaintainingNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Romy S. Kallas among 599 rheumatology physician records in New York

Romy S. Kallas, MD is one of 599 rheumatology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2012 · median 2003 among the 425 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in New York

There are 599 rheumatology physician records in New York.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Thomas Argyros, MDNew York, NY 100211922190370
  2. Anne Bass, M.D.New York, NY 100211609872712
  3. Stanley Bridges, MD, PHDNew York, NY 100211205876307
  4. Stephen Di Martino, MD, PHDNew York, NY 100211184697518
  5. Allan Gibofsky, MDNew York, NY 100211467500611
  6. Lionel Ivashkiv, M.D.New York, NY 100211811035033
  7. Robin Lipschitz, M.DNew York, NY 100211891894655
  8. Michael Lockshin, MDNew York, NY 100211528155603

Common questions

What is Romy S. Kallas, MD's NPI number?

Romy S. Kallas, MD's National Provider Identifier (NPI) is 1629563978, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Romy S. Kallas, MD located?

The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 774-2189. Providers update this record themselves, so call before visiting.

How can I verify Romy S. Kallas, MD's license?

NPPES lists New York license number 314732, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Romy S. Kallas, MD prescribe under Medicare Part D?

In 2024, Romy S. Kallas, MD had 417 Medicare Part D claims for 51 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.