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

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1528046547

Dr. Steven A Marks, DO is a Critical Care Medicine (Internal Medicine) Physician in Phoenix, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2006
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

16601 N 40th St Ste 101
Phoenix, AZ 85032-3345
Phone: (602) 441-3168
Fax: (480) 282-6651
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Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 4140 (AZ)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 4140 (AZ)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 4140 (AZ)

Record details

NPI number1528046547
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 9, 2006
Last updated in NPPESJanuary 24, 2023
Certification dateJanuary 24, 2023
Mailing address16601 N 40th St, Suite 101, Phoenix, AZ 85032-3345

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