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

Ruth Isabel Hasen Flores, MD

Individual provider Internal Medicine Physician · NPI 1740530401

Ruth Isabel Hasen Flores, MD practises Internal Medicine in Washington, District of Columbia. Qualified in 2003, 23 years ago. Practices with Unity Health Care Inc, a 153-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
23
Licensed in
DC
In the registry since
2012
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

3020 14th St NW
Washington, DC 20009-6865
Phone: (410) 350-3565
Fax: (410) 354-0186
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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 MD043022 (DC)

Record details

NPI number1740530401
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 10, 2012
Last updated in NPPESJuly 21, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Unity Health Care Inc. — 153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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