Eric Knakal, M.D.
Anesthesiology Physician · East Patchogue, NY
Eric Knakal, M.D. is an anesthesiology physician with a practice address in East Patchogue, New York, and NPI 1598080889, issued on Mar 30, 2010. Check the license (New York 256451, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Eric Knakal
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 256451 NY
Self-reported in NPPES; status is on the state search - Practice location
- 250 Patchogue Yaphank RD, East Patchogue, NY 11772
- Phone
- (631) 475-7680
- Enumerated
- Mar 30, 2010
- Entity
- Type 1 · individual
Also registered at 250 Patchogue Yaphank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alina Ali, PMHNPPsychiatric/Mental Health Nurse Practitioner1821505991
- Teng Hsu, M.D.Specialist1124063466
- Michael Kleeman, D.O.Urology Physician1063445138
- Brian McGuinness, M.D.Ophthalmology Physician1720014574
- Bruce Merriam, DDSEndodontics1619150802
- Mitul Patel, M.D.General Practice Physician1285615120
Verify Eric Knakal 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 256451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $86.10
4 payments, mostly food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,418 providers of this specialty with any payment received $898.38 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.
One hospital or facility affiliation
- New York UniversityNew 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.
16 anesthesiology physician records list a East Patchogue practice address
They are 16 of the 451 NPPES records with a East Patchogue practice address, and 4,656 anesthesiology physician records in New York.
All 16 in East Patchogue → All 4,656 in New York → Every provider in East Patchogue →
Other anesthesiology physician records in New York
- Daniel Aaron, MDOceanside, NY1376506766
- 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 Eric Knakal, M.D.'s NPI number?
Eric Knakal, M.D.'s National Provider Identifier (NPI) is 1598080889, issued on Mar 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Eric Knakal, M.D. located?
The NPPES record lists a practice address at 250 Patchogue Yaphank RD, East Patchogue, NY, 11772. Phone: (631) 475-7680. Providers update this record themselves, so call before visiting.
How can I verify Eric Knakal, M.D.'s license?
NPPES lists New York license number 256451, 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.