Katherine Worrell Williams, N.P.
Internal Medicine Physician · Ithaca, NY
Katherine Worrell Williams, N.P. is an internal medicine physician with a practice address in Ithaca, New York, and NPI 1184616609, issued on Aug 19, 2005. Check the license (New York F303419-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Worrell Williams
- Credential
- N.P.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F303419-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 404 N Cayuga St, Ithaca, NY 14850
- Phone
- (607) 277-0969
- Enumerated
- Aug 19, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (607) 277-3242
- Entity
- Type 1 · individual
Also registered at 404 N Cayuga St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Law, M.D.Internal Medicine Physician1023014974
- Anne Neirynck, FNP, CDEFamily Nurse Practitioner1538151162
- Cynthia Schnedeker, NPFamily Medicine Physician1689866964
- Nancy Stewart, MDFamily Medicine Physician1720114838
Verify Katherine Worrell Williams 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 F303419-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57 internal medicine physician records list a practice address in Ithaca
They are 57 of the 2,215 NPPES records with a practice address in Ithaca, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 57 in Ithaca → All 12,067 in New York → Every provider in Ithaca →
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- Jay Aaron, MDGreat Neck, NY1245332956
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Katherine Worrell Williams, N.P.'s NPI number?
Katherine Worrell Williams, N.P.'s National Provider Identifier (NPI) is 1184616609, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Worrell Williams, N.P. located?
The NPPES record lists a practice address at 404 N Cayuga St, Ithaca, NY, 14850. Phone: (607) 277-0969. Providers update this record themselves, so call before visiting.
How can I verify Katherine Worrell Williams, N.P.'s license?
NPPES lists New York license number F303419-1, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.