Jonathan Ascher, M.D.
Anesthesiology Physician · New York, NY
Jonathan Ascher, M.D. is an anesthesiology physician with a practice address in New York, New York, and NPI 1881699148, issued on Jun 14, 2005. Check the license (New York 233250, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jonathan Ascher
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 233250 NY
Self-reported in NPPES; status is on the state search - Practice location
- 310 E 14TH St, New York, NY 10003
- Phone
- (212) 979-4000
- Enumerated
- Jun 14, 2005
- Entity
- Type 1 · individual
Also registered at 310 E 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Agemy, M.D.Retina Specialist (Ophthalmology) Physician1245541671
- Jennifer Ahn, CR NACertified Registered Nurse Anesthetist1609129477
- Albert Akkerman, MDAnesthesiology Physician1023099504
- Anil Ankolekar, MDAnesthesiology Physician1700867728
- Antonio Araujo, CRNACertified Registered Nurse Anesthetist1386980233
- Theresa Baker, CRNACertified Registered Nurse Anesthetist1396821922
Verify Jonathan Ascher 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 233250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,276 anesthesiology physician records list a New York practice address
They are 1,276 of the 98,468 NPPES records with a New York practice address, and 4,656 anesthesiology physician records in New York.
All 1,276 in New York → All 4,656 in New York → Every provider in New York →
Other anesthesiology physician records in New York
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- Nelson Aaron, MDNewburgh, NY1720079338
- Jaime AaronsonNew York, NY1114160074
- Adel Abadir, MDBrooklyn, NY1376584151
- Nnamdi Abalihi, MDNew York, NY1659935526
- Chinedu Abara, MDTroy, NY1023010212
- Nabil Abdelmalak, MDStaten Island, NY1528097250
- Mark Abel, M.D.Brooklyn, NY1952383622
- Richard Abel, M.D.New York, NY1508148016
- Jason James Abella, M.DEast Meadow, NY1811420912
Common questions
What is Jonathan Ascher, M.D.'s NPI number?
Jonathan Ascher, M.D.'s National Provider Identifier (NPI) is 1881699148, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Ascher, M.D. located?
The NPPES record lists a practice address at 310 E 14TH St, New York, NY, 10003. Phone: (212) 979-4000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Ascher, M.D.'s license?
NPPES lists New York license number 233250, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.