GREGORY PETER SWANSON (MD) – Radiation Oncology Physician, NPI 1154338465

GREGORY PETER SWANSON (MD) is a healthcare provider. based in Dallas, Texas. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. H0866 (TX). The NPI Number for GREGORY PETER SWANSON (MD) is 1154338465

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY PETER SWANSON (MD)
NPI
1154338465
Phone
Not provided
Address
PO BOX 844658
Enumeration Date
1 August 2006
Last Update Date
9 April 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2547242585
Graduation Year
1985 (41 years ago)
PAC ID
6507753860
Group Practice PAC ID
8123923604
Professional Enrollment ID
I20041119000951
Address ID
TX765080001TE810XXAVEX400

Contacts

Secure Messaging
gswanson11298@direct.sw.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

450 RADIATION ONCOLOGY in TX

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Provider Addresses for GREGORY PETER SWANSON (MD)

  • Band Box Place, Dallas, Dallas County, Texas, 75244, United States

    DALLAS, TX 752844658

    Phone:

    Type: Mailing

  • Baylor Scott & White Medical Center - Temple, 2401, South 31st Street, Temple, Bell County, Texas, 76508, United States

    TEMPLE, TX 765080001

    Phone: (254) 724-2111

    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: 2004-11-19

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
I20041119000951IRadiation OncologyTXTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 75284)

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Provider's Procedures

GREGORY PETER SWANSON (MD) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RADIATION ONCOLOGYTX77300Calculation of radiation therapy dose10426
RADIATION ONCOLOGYTX77427Radiation treatment management, 5 treatments14947

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: 8123923604View full group profile
NameSpecialtyState
Radiation OncologyTX
U R O L O G YTX
General SurgeryOK
Certified Registered Nurse Anesthetist (Crna)TX
-TX
Anesthesiology AssistantTX
-TX
-TX
O B S T E T R I C S/ G Y N E C O L O G YTX
-TX

Reviews

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Frequently asked questions

How is GREGORY PETER SWANSON (MD) identified in CMS data?
CMS-hosted NPPES data lists GREGORY PETER SWANSON (MD) with NPI 1154338465.
Can I rely on GREGORY PETER SWANSON (MD) being an active provider?
As of the registry snapshot, GREGORY PETER SWANSON (MD) is marked active.
What taxonomy line describes GREGORY PETER SWANSON (MD)?
For research purposes, treat GREGORY PETER SWANSON (MD) as Radiation Oncology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect GREGORY PETER SWANSON (MD) on a map?
Expect Dallas, Texas as a primary anchor for GREGORY PETER SWANSON (MD) unless the record lists multiple sites.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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