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

Individual provider Emergency Medicine Physician · NPI 1811997737

Dr. Nikolas W Greenson, MD is an Emergency Medicine in Salinas, California. Graduated from University of California, San Diego School of Medicine in 2001, 25 years ago. Practices with Salinas Valley Emergency Medical Group, Inc, a 20-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2005
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

450 E Romie Ln
Salinas, CA 93901-4029
Phone: (831) 759-1840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A79764 (CA)

Record details

NPI number1811997737
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2005
Last updated in NPPESFebruary 23, 2011

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Salinas Valley Emergency Medical Group, Inc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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