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

Leonard Alan Mankin, MD

Individual provider Internal Medicine Physician · NPI 1710992201

Leonard Alan Mankin, MD is an Internal Medicine in Portland, Oregon. Graduated from Geisel School of Medicine at Dartmouth in 1992, 34 years ago. Practices with Legacy Good Samaritan Hospital and Medical Center, a 192-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
34
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
OR
In the registry since
2006
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

1200 NW 23rd Ave
Portland, OR 97210-2906
Phone: (503) 494-8562
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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 MD25913 (OR)

Record details

NPI number1710992201
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESJuly 19, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1992 (34 years in practice)
Group practice Legacy Good Samaritan Hospital And Medical Center — 192 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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