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

Individual provider Gynecology Physician · NPI 1659451979

Dr. Niall Michael Cullen, MD is a Gynecology Physician in Santa Ana, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

1725 W 17th St Bldg 50
Santa Ana, CA 92706-2316
Phone: (714) 834-8146
Fax: (714) 834-8361
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence A20257 (CA)

Record details

NPI number1659451979
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESMay 4, 2015

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