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

Dr. David Mark McClellan, MD

Individual provider Family Medicine Physician · NPI 1679574826

Dr. David Mark McClellan, MD is a Family Medicine Physician in Crosby, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5214 S Main St
Crosby, TX 77532-5825
Phone: (281) 328-4888
Fax: (281) 328-8345
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G0476 (TX)

Record details

NPI number1679574826
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESJanuary 14, 2009

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