Gregory Mark Welsh, MD in Stanford, CA

Gregory Mark Welsh, MD is a medicare enrolled "Hospitalist" physician in Stanford, California. His current practice location is 300 Pasteur Dr, Stanford, California. You can reach out to his office (for appointments etc.) via phone at (650) 723-4000.

Gregory Mark Welsh is licensed to practice in California (license number C167888) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1982600342.

Contact Information

	Gregory Mark Welsh, MD
	300 Pasteur Dr, Stanford, CA 94305-2200
	(650) 723-4000
	Not Available

Map and Direction

Physician's Profile

Full Name	Gregory Mark Welsh
Gender	Male
Speciality	Hospitalist
Location	300 Pasteur Dr, Stanford, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1982600342
Provider Enumeration Date: 06/21/2005
Last Update Date: 04/28/2024

Medicare PECOS Information:

PECOS PAC ID: 2769551878
Enrollment ID: I20200707002923

Medical Identifiers

Medical identifiers for Gregory Mark Welsh such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1982600342	NPI	-	NPPES
1982600342	Medicaid	WA
4587164	Other	WA	AETNA
1090364	Medicaid	WA
3711	Other	WA	REGENCE
0229991	Other	WA	L&I AND CRIME VICTIMS

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208000000X	Pediatrics	C167888 (California)	Secondary
208M00000X	Hospitalist	C167888 (California)	Primary

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. Gregory Mark Welsh allows following entities to bill medicare on his behalf.

Entity Name	Stanford Health Care
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1437292927 PECOS PAC ID: 6709797491 Enrollment ID: O20031124000348

Entity Name	Lpch Medical Group Div Of Lucile
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1417907940 PECOS PAC ID: 0840298543 Enrollment ID: O20061113000232

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. Gregory Mark Welsh 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
Gregory Mark Welsh, MD 300 Pasteur Dr, Stanford, CA 94305-2200 Ph: (650) 723-4000	Gregory Mark Welsh, MD 300 Pasteur Dr, Stanford, CA 94305-2200 Ph: (650) 723-4000

Reviews and Comments

Hospitalist Doctors in Stanford, CA

Alexander Dennis Macbriar, MD Hospitalist Medicare: Medicare Enrolled Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000
Brooke Megan Cotter, MD Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000
Erica Mascarenhas, Hospitalist Medicare: Medicare Enrolled Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-5948
Nidhi Rohatgi, MD Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000
Niraj Lakshman Sehgal, MD Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000
Steven Michael Yates, DNP, ACNP-AG, FNP-C Hospitalist Medicare: Medicare Enrolled Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000
Kevin Robert Keet, M.D. Hospitalist Medicare: Accepting Medicare Assignments Practice Location: 300 Pasteur Dr, Stanford, CA 94305 Phone: 650-723-4000

Gregory Mark Welsh, MD - Medicare Hospitalist in Stanford, CA