Caroline Haley Siegel, M.D.
Rheumatology Physician · New York, NY
Caroline Haley Siegel, M.D. is a rheumatology physician with a practice address in New York, New York, and NPI 1679935373, issued on Mar 22, 2016. Check the license (New York 298074, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Caroline Haley Siegel
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 298074 NY
Self-reported in NPPES; status is on the state search - Practice location
- 535 E 70TH St, New York, NY 10021
- Phone
- (212) 774-2482
- Enumerated
- Mar 22, 2016
- Record last updated
- Jul 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20230622000988); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 599 in New York → Look up another NPI →
Also registered at 535 E 70TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana Aaron, PT, DPT, OCSOrthopedic Physical Therapist1609423045
- Matthew Abola, MDOrthopaedic Hand Surgery Physician1942864889
- Caroline Accardi, FNP-BCFamily Nurse Practitioner1346000163
- Emmanuel Adamptey, PASurgical Physician Assistant1871209031
- Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
- Michael AdashevSurgical Physician Assistant1609312156
Verify Caroline Haley Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 298074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average rheumatology physician in 2024
219 Medicare Part D claims for 43 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Hydroxychloroquine Sulfate43 claims
- Prednisone29 claims
- Diclofenac Sodium21 claims
- Alendronate Sodium14 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.
Bills Medicare through one group practice
- 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).
Caroline Haley Siegel among 599 rheumatology physician records in New York
Caroline Haley Siegel, M.D. 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 2016, is newer than 82% of them.
- NPI issued2016 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · 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.
All 599 in New York → Every provider in New York → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Thomas Argyros, MDNew York, NY 100211922190370
- Anne Bass, M.D.New York, NY 100211609872712
- Stanley Bridges, MD, PHDNew York, NY 100211205876307
- Stephen Di Martino, MD, PHDNew York, NY 100211184697518
- Allan Gibofsky, MDNew York, NY 100211467500611
- Lionel Ivashkiv, M.D.New York, NY 100211811035033
- Robin Lipschitz, M.DNew York, NY 100211891894655
- Michael Lockshin, MDNew York, NY 100211528155603
Common questions
What is Caroline Haley Siegel, M.D.'s NPI number?
Caroline Haley Siegel, M.D.'s National Provider Identifier (NPI) is 1679935373, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Haley Siegel, M.D. located?
The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 774-2482. Providers update this record themselves, so call before visiting.
How can I verify Caroline Haley Siegel, M.D.'s license?
NPPES lists New York license number 298074, 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 Caroline Haley Siegel, M.D. prescribe under Medicare Part D?
In 2024, Caroline Haley Siegel, M.D. had 219 Medicare Part D claims for 43 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.