GARY M. BELCASTER (M.D.) – Gastroenterology Physician, NPI 1871582833

GARY M. BELCASTER (M.D.) is a healthcare provider. based in Pasco, Washington. specializing in GASTROENTEROLOGY. They hold the professional credentials M.D.. They hold a License No. MD00041984 (WA). The NPI Number for GARY M. BELCASTER (M.D.) is 1871582833

Main info

Male
36 Years Of Experience
Accepts Medicare Assignment
Name
GARY M. BELCASTER (M.D.)
NPI
1871582833
Phone
(509) 416-8882
Address
520 N 4TH AVE
Enumeration Date
20 October 2005
Last Update Date
28 September 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5094160027
Graduation Year
1990 (36 years ago)
PAC ID
3678550977
Group Practice PAC ID
1850642562
Professional Enrollment ID
I20040706000266
Address ID
WA993015292PA7425XDRXX304

Contacts

Secure Messaging
gary.belcaster.1@18485.direct.athenahealth.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

475 GASTROENTEROLOGY in WA

Loading map...

Provider Addresses for GARY M. BELCASTER (M.D.)

  • 520, 4th Avenue, Pasco, Franklin County, Washington, 99301, United States

    PASCO, WA 993015257

    Phone: (509) 416-8882

    Type: Mailing

  • Wrigley Drive, Pasco, Franklin County, Washington, United States

    PASCO, WA 99301

    Phone: (509) 416-8885

    Type: Location

  • 4545 Cordata Pkwy

    Bellingham, WA 982267123

    Phone: (360) 738-2200

    Fax: (360) 752-5668

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 22 Open Payments records for all available years, with a total value of $497.

Total Amount is formed as General ($497) + Research ($0) + Ownership ($0) = $497.

Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($142).

Total Amount

$497

General + Research + Ownership

Payments

22

Total payment records

General Amount

$497

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-14

Latest reported date

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: 2004-07-06

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
I20040706000266IGastroenterologyWATBD

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 99301)

Loading plans...

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: 1850642562View full group profile
NameSpecialtyState
-WA
Mental Health CounselorWA
-TX
Nurse PractitionerOH
Nurse PractitionerWA
Clinical Social WorkerWA
General SurgeryNY
Internal Medicine, Pulmonary Disease, Critical Care (Intensivists)WA
Physician AssistantWA
-WA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the registry number for GARY M. BELCASTER (M.D.)?
The registry entry for GARY M. BELCASTER (M.D.) shows NPI 1871582833.
Should I treat GARY M. BELCASTER (M.D.) as an active provider?
Patients and plans typically see GARY M. BELCASTER (M.D.) as active in the national extract.
What services align with GARY M. BELCASTER (M.D.)'s listing?
GARY M. BELCASTER (M.D.)'s public classification highlights Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to GARY M. BELCASTER (M.D.)?
GARY M. BELCASTER (M.D.) shows a connection to Pasco, Washington in registry-derived data.
Who maintains GARY M. BELCASTER (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

Similar Providers

DR. MARSHALL EDWARD III MCCABE (MD)

Gastroenterology Physician
Black Hills Lane Southwest, Olympia, Thurston County, Washington, 98505, United States
NPI: 1831191162

MR. DAVID A PFAFF (M.D.)

Gastroenterology Physician
100, East 33rd Street, Vancouver, Clark County, Washington, 98663, United States
NPI: 1316941032

DR. CHARLES H BEYMER (M.D.)

Gastroenterology Physician
VA Medical Center - Seattle, 1660, South Columbian Way, South Seattle, Seattle, King County, Washington, 98108, United States
NPI: 1194729608

DANA B. STINER (M.D.)

Gastroenterology Physician
PO BOX 5096
NPI: 1235135674

ROBERT M DY (D.O.)

Gastroenterology Physician
1400 E KINCAID ST
NPI: 1851397210

DR. THOMAS FRANCIS O'MEARA (M.D.)

Gastroenterology Physician
406, Black Hills Lane Southwest, Olympia, Thurston County, Washington, 98502, United States
NPI: 1366448532

DR. CAROLE ANNE BUCKNER (D.O.)

Gastroenterology Physician
406, Black Hills Lane Southwest, Olympia, Thurston County, Washington, 98502, United States
NPI: 1861498032

DR. DARIEN HEAP (M.D.)

Gastroenterology Physician
406, Black Hills Lane Southwest, Olympia, Thurston County, Washington, 98502, United States
NPI: 1982600961
421, Liberty Lane, Evesham Township, Burlington County, New Jersey, 08053-5344, United States
NPI: 1477550572