FREDERICK S EY (M.D.) – Hematology & Oncology Physician, NPI 1326041948

FREDERICK S EY (M.D.) is a healthcare provider. based in Portland, Oregon. specializing in HEMATOLOGY/ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. MD14443 (OR). The NPI Number for FREDERICK S EY (M.D.) is 1326041948

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
FREDERICK S EY (M.D.)
NPI
1326041948
Phone
(503) 203-1000
Address
PO BOX 3378
Enumeration Date
27 May 2005
Last Update Date
17 October 2007

Doctor Profile

Medical School Name
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
5034948311
Graduation Year
1984 (42 years ago)
PAC ID
9931158284
Group Practice PAC ID
4880760107
Professional Enrollment ID
I20050113000811
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

171 HEMATOLOGY/ONCOLOGY in OR

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Provider Addresses for FREDERICK S EY (M.D.)

  • PO BOX 3378

    PORTLAND, OR 972083378

    Phone: (503) 203-1000

    Fax: (503) 203-1010

    Type: Mailing

  • OHSU Knight Cancer Clinic, 15700, Southwest Greystone Court, Mortondale, Elmonica, Beaverton, Metro, Washington County, Oregon, 97006, United States

    BEAVERTON, OR 970060000

    Phone: (503) 203-1000

    Fax: (503) 203-1010

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-01-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050113000811IHematology/OncologyORTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99205New patient office or other outpatient visit, 60-74 minutes1313$0
View full utilization report →

Insurance plans in this area (ZIP 97208)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4880760107View full group profile

Reviews

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Frequently asked questions

Is there an official ID for FREDERICK S EY (M.D.) in U.S. healthcare records?
The official identifier for FREDERICK S EY (M.D.) is NPI 1326041948.
Is FREDERICK S EY (M.D.) still an active registrant?
FREDERICK S EY (M.D.) carries an active NPI according to the public dataset.
How would a patient describe FREDERICK S EY (M.D.)'s focus?
For FREDERICK S EY (M.D.), the primary taxonomy reads as Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for FREDERICK S EY (M.D.)?
Travel planning: use Portland, Oregon as the reference point for FREDERICK S EY (M.D.), then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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