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MARK SELIGMAN M.D.
NPI 1528061173
Internal Medicine - Hematology & Oncology in Portland, OR

Active since May 27, 2005
5050 NE HOYT ST, STE 362, PORTLAND, OR 97213(503) 232-7000(503) 232-8266 Get Directions Write a Review

NPPES record last updated: October 17, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark Seligman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK SELIGMAN M.D. (NPI 1528061173) is an individual hematology & oncology provider in Portland, Oregon, licensed in Oregon (MD11837) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1528061173
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameMARK SELIGMANCredential: M.D.
Location Address5050 NE HOYT ST, STE 362Portland, OR 97213-2983
Mailing AddressPo Box 3378Portland, OR 97208-3378 · (503) 203-1000 · Fax (503) 203-1010
Phone(503) 232-7000
Fax(503) 232-8266
Sole ProprietorNo
Enumeration DateMay 27, 2005
Last NPPES UpdateOctober 17, 2007
✔ NPI 1528061173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OR · MD11837
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
5050 NE HOYT ST, Portland, OR 97213
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Other Identifiers 4

OtherCV0082OR · Rr Medicare Group Number
Medicare UPINC93742
Medicare ID-Type Unspecified00WFBBCD
Medicaid232744OR

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MOLLY ANNE BREDENBERG PT
Physical Therapist
5050 NE HOYT ST
PORTLAND, OR 97213
Multnomah County (503) 215-0424
ALISON MITCHELL MD
Family Medicine
5050 NE HOYT ST, SUITE 240
PORTLAND, OR 97213
Multnomah County (503) 215-6480
JOHN EDWARD HEFFNER MD
Internal Medicine (Pulmonary Disease)
5050 NE HOYT ST, SUITE 540
PORTLAND, OR 97213
Multnomah County (503) 215-6600
DR. THERESA MARIE MORIKAWA PHARMD, BCACP
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
5050 NE HOYT ST
PORTLAND, OR 97213
Multnomah County (503) 215-6296
JAMES H IMATANI, JR. M.D., PC
Surgery (Surgical Oncology)
5050 NE HOYT ST, SUITE 610
PORTLAND, OR 97213
Multnomah County (503) 467-4761
DONALD ANDREW YOUNG III MD
Urology
5050 NE HOYT ST, SUITE 514
PORTLAND, OR 97213
Multnomah County (503) 488-2323
SPECIALTY SURGERY PC
Surgery
5050 NE HOYT ST, STE 511
PORTLAND, OR 97213
Multnomah County (503) 232-0942
GRETCHEN E VANDERBEEK MD
Internal Medicine
5050 NE HOYT ST, SUITE 540
PORTLAND, OR 97213
Multnomah County (503) 215-6600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Seligman's NPI number?

The NPI number for Mark Seligman is 1528061173. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Mark Seligman located?

Mark Seligman practices at 5050 NE Hoyt St Ste 362, Portland, OR 97213. The listed phone number is (503) 232-7000.

What is Mark Seligman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Mark Seligman was last updated on October 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.