Lucas Knewstub
Emergency Medicine Physician · Ithaca, NY
Lucas Knewstub is an emergency medicine physician with a practice address in Ithaca, New York, and NPI 1083103642, issued on May 8, 2018. Check the license (New York 308462, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lucas Knewstub
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 308462 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 Dates Dr, Ithaca, NY 14850
- Phone
- (607) 274-4011
- Enumerated
- May 8, 2018
- Record last updated
- Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210713000162); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 101 Dates Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mansour AbdulkyPharmacist1588398598
- Rakshya AdhikariStudent in an Organized Health Care Education/Training Program1699535856
- Ali Akram, MDInternal Medicine Physician1285123752
- Richard Allen, MDEmergency Medicine Physician1932207032
- Sheila Ariel, DPTPhysical Therapist1831668490
- Hannah Armstrong, FNPFamily Nurse Practitioner1417633843
Verify Lucas Knewstub 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 308462Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average emergency medicine physician in 2024
114 Medicare Part D claims for 90 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Prednisone15 claims
- Ondansetron Odt13 claims
- Amoxicillin-Clavulanate Potass12 claims
- Cefuroxime11 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 2 group practices
- Cma Medical Practice PLLCIthaca, NY
- Schuyler Hospital IncMontour Falls, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lucas Knewstub among 5,025 emergency medicine physician records in New York
Lucas Knewstub is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 75% of them.
- NPI issued2018 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2013 among the 3,232 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Ithaca → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Allen, MDIthaca, NY 148501932207032
- Gary Beachum, M.D.Ithaca, NY 148501598967580
- Frank Cole, MDIthaca, NY 148501245330968
- Risa Cyr, M.D.Ithaca, NY 148501841511763
- Steven Elliott, MDIthaca, NY 148501083861934
- William Enslow, D.O.Ithaca, NY 148501437297157
- David Feldshuh, MDIthaca, NY 148501407945033
- Maria Gentry, D.O.Ithaca, NY 148501649242942
Common questions
What is Lucas Knewstub's NPI number?
Lucas Knewstub's National Provider Identifier (NPI) is 1083103642, issued on May 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lucas Knewstub located?
The NPPES record lists a practice address at 101 Dates Dr, Ithaca, NY, 14850. Phone: (607) 274-4011. Providers update this record themselves, so call before visiting.
How can I verify Lucas Knewstub's license?
NPPES lists New York license number 308462, 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 Lucas Knewstub prescribe under Medicare Part D?
In 2024, Lucas Knewstub had 114 Medicare Part D claims for 90 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.