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

Dr. Donald Ray Lazarus Jr., MD

Individual provider Internal Medicine Physician · NPI 1073670535

Dr. Donald Ray Lazarus Jr., MD is an Internal Medicine Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
Specialties on file
3
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

6620 Main St Ste 1225 Baylor Clinic
Houston, TX 77030-2331
Phone: (713) 798-2400
Fax: (713) 798-2791
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence N2161 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence N2161 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence N2161 (TX)

Record details

NPI number1073670535
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJune 18, 2014

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