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 › California › 207N00000X

Gregory Simpson, M.D

NPI 1740488238 · on the registry since 2007

Practice

Address
2335 E Kashian Ln Ste 208
Fresno, CA 93701
Phone
(559) 320-1090
Organisation at this address
Pema Medical Spa Inc
Regents Of University Of California
University Oncology Associates, Inc.
Inferred from a shared address, not stated in the registry.
Clinicians at this address
121

Registry record

Primary taxonomy
207N00000X
207N00000X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2025-08-11

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 California