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

Katrina Hsieh, DO

Individual provider Internal Medicine Physician · NPI 1326626250

Katrina Hsieh, DO is an Internal Medicine Physician in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2021.

Licensed in
MD
In the registry since
2021
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

655 Watkins Mill Rd
Gaithersburg, MD 20879-3301
Phone: (240) 632-4021
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence H97606 (MD)

Record details

NPI number1326626250
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 31, 2021
Last updated in NPPESMay 16, 2024
Certification dateMay 16, 2024
Mailing address655 Watkins Mill Rd, Gaithersburg, MD 20879-3301

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