Joshua Nathan Rosenwasser, M.D.
Internal Medicine Physician · Sleepy Hollow, NY
Joshua Nathan Rosenwasser, M.D. is an internal medicine physician with a practice address in Sleepy Hollow, New York, and NPI 1730614868, issued on Apr 26, 2017. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joshua Nathan Rosenwasser
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME145647 FL
Self-reported in NPPES; status is on the state search - Practice location
- 358 North Broadway, Sleepy Hollow, NY 10591
- Phone
- (914) 898-5088
- Enumerated
- Apr 26, 2017
- Record last updated
- Aug 13, 2024
- Fax
- (914) 398-6523
- Medicare enrollment
- Enrolled (PECOS I20240206000776); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Joshua Nathan Rosenwasser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,671 Medicare Part D claims for 307 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Ozempic155 claims
- Mounjaro144 claims
- Jardiance141 claims
- Levothyroxine Sodium140 claims
- Metformin Hcl100 claims
- Alendronate Sodium92 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: $121.84
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- North Shore-Lij Medical PCSleepy Hollow, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Nathan Rosenwasser among 12,067 internal medicine physician records in New York
Joshua Nathan Rosenwasser, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2002 among the 7,221 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Sleepy Hollow
They are 17 of the 472 NPPES records with a practice address in Sleepy Hollow, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Sleepy Hollow → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Ades, MDTarrytown, NY 105911033219852
- Kathrynne Mae Basa, M.D.Tarrytown, NY 105911649463670
- Michael Ford, MDSleepy Hollow, NY 105911760659007
- Angela Fraser, MDSleepy Hollow, NY 105911477599140
- Seo Han, M.D.Sleepy Hollow, NY 105911639118961
- Janine Kelly, M.D.Sleepy Hollow, NY 105911407912694
- Dahlia Nolasco, MDSleepy Hollow, NY 105911093937971
- Owen O'Neill, MDSleepy Hollow, NY 105911447290119
Common questions
What is Joshua Nathan Rosenwasser, M.D.'s NPI number?
Joshua Nathan Rosenwasser, M.D.'s National Provider Identifier (NPI) is 1730614868, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Nathan Rosenwasser, M.D. located?
The NPPES record lists a practice address at 358 North Broadway, Sleepy Hollow, NY, 10591. Phone: (914) 898-5088. Providers update this record themselves, so call before visiting.
How can I verify Joshua Nathan Rosenwasser, M.D.'s license?
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 Joshua Nathan Rosenwasser, M.D. prescribe under Medicare Part D?
In 2024, Joshua Nathan Rosenwasser, M.D. had 1,671 Medicare Part D claims for 307 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.