Dr Gary Thomas Underhill, MD in Dayton, WA - Medicare Emergency Medicine

Dr Gary Thomas Underhill, MD is a medicare enrolled "Family Medicine" physician in Dayton, Washington. He went to Loma Linda University School Of Medicine and graduated in 1996 and has 30 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Washington Emergency Physician Partners Pllc, Columbia County Hospital District and his current practice location is 1012 S 3rd St, Dayton, Washington. You can reach out to his office (for appointments etc.) via phone at (509) 382-2531.

Dr Gary Thomas Underhill is licensed to practice in Washington (license number MD00037711) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1851375265.

Contact Information

	Dr Gary Thomas Underhill, MD
	1012 S 3rd St, Dayton, WA 99328
	(509) 382-2531
	(509) 382-3205

Map and Direction

Physician's Profile

Full Name	Dr Gary Thomas Underhill
Gender	Male
Speciality	Emergency Medicine
Experience	30 Years
Location	1012 S 3rd St, Dayton, Washington
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Gary Thomas Underhill attended and graduated from Loma Linda University School Of Medicine in 1996

NPI Data:

NPI Number: 1851375265
Provider Enumeration Date: 11/30/2005
Last Update Date: 03/03/2025

Medicare PECOS Information:

PECOS PAC ID: 1850483470
Enrollment ID: I20070827000624

Medical Identifiers

Medical identifiers for Dr Gary Thomas Underhill such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1851375265	NPI	-	NPPES
1020580	Medicaid	WA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	MD00037711 (Washington)	Secondary
207P00000X	Emergency Medicine	MD0037711 (Washington)	Secondary
207Q00000X	Family Medicine	MD00037711 (Washington)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Trios Health	Kennewick, WA	Hospital
Dayton General Hospital	Dayton, WA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Washington Emergency Physician Partners Pllc	5092951814	10
Columbia County Hospital District	5597653758	44

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gary Thomas Underhill allows following entities to bill medicare on his behalf.

Entity Name	Columbia County Hospital District
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134128911 PECOS PAC ID: 5597653758 Enrollment ID: O20040309000515

Entity Name	Washington Emergency Physician Partners Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1346586351 PECOS PAC ID: 5092951814 Enrollment ID: O20130424000635

Entity Name	Sound Physicians Emergency Medicine Of Washington Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629532064 PECOS PAC ID: 7315279007 Enrollment ID: O20191030000855

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gary Thomas Underhill is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Gary Thomas Underhill, MD 1012 S 3rd St, Dayton, WA 99328 Ph: (509) 382-2531	Dr Gary Thomas Underhill, MD 1012 S 3rd St, Dayton, WA 99328 Ph: (509) 382-2531

Reviews and Comments

Family Medicine Doctors in Dayton, WA

Michael Luce, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1012 S 3rd St, Dayton, WA 99328 Phone: 509-382-2531 Fax: 509-382-3209
Kurt E Frauenpreis, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1012 South Third Street, Dayton, WA 99328 Phone: 509-382-3200 Fax: 509-382-2748
April R Biggs, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1012 South Third Street, Dayton, WA 99328 Phone: 509-382-3200 Fax: 509-382-2748
Dr. Yongmoon Andrew Park, MD Family Medicine Medicare: May Accept Medicare Assignments Practice Location: 1012 S 3rd St, Dayton, WA 99328 Phone: 509-382-3200 Fax: 509-382-2748
Kenneth Dyball, PAC Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 1012 S 3rd St, Dayton, WA 99328 Phone: 509-382-2531 Fax: 509-382-3209
Laurence A Eidt, M.D. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 1012 S 3rd St, Dayton, WA 99328 Phone: 509-382-2531 Fax: 509-382-3209

Dr Gary Thomas Underhill, MD - Medicare Emergency Medicine in Dayton, WA