npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Tennessee › 207P00000X

Clifford Williamson, MD

NPI 1154562304 · on the registry since 2009

Practice

Address
325 N State Of Franklin Rd
Johnson City, TN 37604
Phone
(423) 439-6283
Organisation at this address
East Tennessee State University
Medical Education Assistance Corporation
Medicaleducationassistancecorporationdbauniversityphysicianspracticegr
Inferred from a shared address, not stated in the registry.
Clinicians at this address
295

Registry record

Primary taxonomy
207P00000X
207P00000X
Also registered as
207P00000X
Licence states on file
VA, TN
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2025-04-29

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Tennessee