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

Clifford Howard Siegel, MD

Individual provider Psychiatry Physician · NPI 1427143239

Clifford Howard Siegel, MD is a Psychiatry Physician in Greenwood Village, Colorado. Licensed in Colorado. Registered with an NPI since 2006.

Licensed in
CO
In the registry since
2006
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

7000 E Belleview Ave Ste 203
Greenwood Village, CO 80111-1622
Phone: (303) 671-8700
Fax: (720) 480-3822
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 22035 (CO)

Record details

NPI number1427143239
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESOctober 7, 2022
Certification dateOctober 7, 2022

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