GREGORY W ALLEN (M.D., PHD) – Radiation Oncology Physician, NPI 1508817404

GREGORY W ALLEN (M.D., PHD) is a healthcare provider. based in Lacey, Washington. specializing in RADIATION ONCOLOGY. They hold the professional credentials M.D., PHD. They hold a License No. MD00047784 (WA). The NPI Number for GREGORY W ALLEN (M.D., PHD) is 1508817404

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY W ALLEN (M.D., PHD)
NPI
1508817404
Phone
(360) 412-8960
Address
4525 3RD AVE SE
Enumeration Date
15 May 2006
Last Update Date
22 March 2011

Doctor Profile

Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3604128960
Graduation Year
2002 (24 years ago)
PAC ID
3870663230
Group Practice PAC ID
6608869581
Professional Enrollment ID
I20080528000592
Address ID
WA985031010LA4525XSEXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

184 RADIATION ONCOLOGY in WA

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Provider Addresses for GREGORY W ALLEN (M.D., PHD)

  • RadiantCare Lacey, 4525, 3rd Avenue Southeast, Lacey, Thurston County, Washington, 98503, United States

    SUITE 100

    LACEY, WA 985031010

    Phone: (360) 412-8960

    Fax: (360) 412-8970

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $27.

Total Amount is formed as General ($27) + Research ($0) + Ownership ($0) = $27.

Last reported payment date: 2023-03-15 • Largest payer in this snapshot: Novocure Inc. ($27).

Total Amount

$27

General + Research + Ownership

Payments

1

Total payment records

General Amount

$27

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-03-15

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Novocure Inc.$27
View all Open Payments →|Open Payments Risk Radar →

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: 2008-05-28

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
I20080528000592IRadiation OncologyWATBD

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
77014Ct guidance for insertion of radiation therapy fields659126$0
77427Radiation treatment management, 5 treatment sessions244131$0
77300Calculation of radiation therapy dose20048$0
77334Design and construction of complex radiation treatment device11772$0
77263Complex radiation therapy planning5352$0
View full utilization report →

Insurance plans in this area (ZIP 98503)

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Provider's Procedures

GREGORY W ALLEN (M.D., PHD) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RADIATION ONCOLOGYWA77263Management of radiation therapy, complex4847
RADIATION ONCOLOGYWA77427Radiation treatment management, 5 treatments8442

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: 6608869581View full group profile
NameSpecialtyState
Radiation OncologyWA
Radiation OncologyWA
-WA
-WA
Radiation OncologyWA

Reviews

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Frequently asked questions

What NPI should I save for GREGORY W ALLEN (M.D., PHD)?
Save NPI 1508817404 if you need a stable reference for GREGORY W ALLEN (M.D., PHD).
Is GREGORY W ALLEN (M.D., PHD) currently active in the NPI registry?
CMS-published data lists GREGORY W ALLEN (M.D., PHD) as an active registrant.
What field does GREGORY W ALLEN (M.D., PHD) work in?
You can think of GREGORY W ALLEN (M.D., PHD) as practicing within Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
What location shows for GREGORY W ALLEN (M.D., PHD)?
We surface Lacey, Washington for GREGORY W ALLEN (M.D., PHD) based on available NPPES addresses.
Is GREGORY W ALLEN (M.D., PHD) a real provider?
This page reflects official NPPES data for NPI 1508817404. Always confirm identity and privileges with the practice and licensing boards.

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