Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

James Nicholas Welch, MD

Individual provider Specialist · NPI 1821245820

James Nicholas Welch, MD is an Internal Medicine in Sacramento, California. Graduated from Georgetown University School of Medicine in 2005, 21 years ago. Practices with Regents of the Univ of Ca, a 1,578-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
21
Trained at
Georgetown University School of Medicine
Licensed in
DC
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4150 V St Ste 3400 Dept OF Medicine / Section OF Hospital Medicine
Sacramento, CA 95817-1460
Phone: (916) 734-7506
Fax: (916) 734-4810
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MD037322 (DC)

Record details

NPI number1821245820
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2008
Last updated in NPPESNovember 7, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Regents Of The Univ Of Ca — 1578 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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