MATTHEW WILLIS PARSONS (MD) – Radiation Oncology Physician, NPI 1427581560

MATTHEW WILLIS PARSONS (MD) is a healthcare provider. based in Westbrook, Maine. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. MD25306 (ME). The NPI Number for MATTHEW WILLIS PARSONS (MD) is 1427581560

Main info

Male
Sole Proprietor
9 Years Of Experience
Accepts Medicare Assignment
Name
MATTHEW WILLIS PARSONS (MD)
NPI
1427581560
Phone
(207) 303-3300
Address
11 Rock Row Ste 150
Enumeration Date
5 April 2017
Last Update Date
21 April 2026

Doctor Profile

Medical School Name
UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Secondary Phone
6035594188
Graduation Year
2017 (9 years ago)
PAC ID
2769735141
Group Practice PAC ID
7618871245
Professional Enrollment ID
I20240318003301
Address ID
NH038017128PO333XXAVEX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience51
Completeness85
Years active:9State licenses:2Digital endpointsOther names

22 RADIATION ONCOLOGY in ME

Provider Addresses for MATTHEW WILLIS PARSONS (MD)

  • 11 Rock Row Ste 150

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 1950 Circle Of Hope Dr Rm 1570

    Salt Lake City, UT 841125500

    Phone: (801) 581-2121

    Type: Location

  • 11 Rock Row Ste 120

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 11 Rock Row Ste 320

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 15 Rock Row Ste 110

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 1950 CIRCLE OF HOPE DR RM 1570

    SALT LAKE CITY, UT 841125500

    Phone: (801) 581-2121

    Type: Mailing

  • 27 Industrial Ave

    Sanford, ME 040735845

    Phone: (207) 459-1658

    Type: Location

  • 324 GANNETT DR STE 200

    SOUTH PORTLAND, ME 041063266

    Phone: (207) 482-7800

    Type: Mailing

  • 22 BRAMHALL ST

    PORTLAND, ME 041023134

    Phone: (072) 662-2276

    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: 2024-03-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20220623000278IRadiation OncologyMETBD
I20240318003301IRadiation OncologyNHTBD

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 fields55755$0
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy21437$0
77334Design and construction of complex radiation treatment device16474$0
77427Radiation treatment management, 5 treatment sessions163125$0
77300Calculation of radiation therapy dose15158$0
View full utilization report →

Insurance plans in this area (ZIP 04092)

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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: 7618871245View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YMN
P A T H O L O G YOK
-ME
Anesthesiology, Critical Care (Intensivists), Hospice/Palliative CareME
A N E S T H E S I O L O G YME
A N E S T H E S I O L O G YME
-NH
-ME
-NH
Diagnostic RadiologyME

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Frequently asked questions

Does MATTHEW WILLIS PARSONS (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — MATTHEW WILLIS PARSONS (MD) uses 1427581560.
Is MATTHEW WILLIS PARSONS (MD) still practicing?
MATTHEW WILLIS PARSONS (MD) is currently listed as active in the public NPI registry.
What healthcare role does MATTHEW WILLIS PARSONS (MD) hold?
Scheduling teams often label MATTHEW WILLIS PARSONS (MD) under Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
Where is MATTHEW WILLIS PARSONS (MD) based?
MATTHEW WILLIS PARSONS (MD) is tied to Westbrook, Maine in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
10 practice locations appear in the available data.