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

Mary Ann Washington MD, PA

Organization Nephrology Physician · NPI 1346612918

Mary Ann Washington MD, PA is a Nephrology Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2015.

Licensed in
TX
In the registry since
2015
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1140 Westmont Dr Ste 320
Houston, TX 77015-4363
Phone: (713) 637-6320
Fax: (713) 637-0590
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence J0721 (TX)

Record details

NPI number1346612918
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Camille Guillen — Clinical Supervisor · (713) 637-6320
NPI enumeratedOctober 22, 2015
Last updated in NPPESJune 28, 2016
Mailing address5116 Bissonnet St, Suite 459, Bellaire, TX 77401-4007

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