Dr Darby Annette Clayson, MD in San Francisco, CA

Dr Darby Annette Clayson, MD is a medicare enrolled "Internal Medicine" physician in San Francisco, California. She went to Baylor College Of Medicine and graduated in 1998 and has 28 years of diverse experience with area of expertise as Hospitalist. She is a member of the group practice Vituity Hospitalists Pc, San Francisco Unified Physicians Group, Inc and her current practice location is 1575 7th Ave, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (702) 453-3799.

Dr Darby Annette Clayson is licensed to practice in California (license number A139455) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1619968021.

Contact Information

	Dr Darby Annette Clayson, MD
	1575 7th Ave, San Francisco, CA 94122-3704
	(702) 453-3799
	(702) 453-5741

Map and Direction

Physician's Profile

Full Name	Dr Darby Annette Clayson
Gender	Female
Speciality	Hospitalist
Experience	28 Years
Location	1575 7th Ave, San Francisco, California
Accepts Medicare Assignments	May be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Darby Annette Clayson attended and graduated from Baylor College Of Medicine in 1998

NPI Data:

NPI Number: 1619968021
Provider Enumeration Date: 11/03/2005
Last Update Date: 02/27/2026

Medicare PECOS Information:

PECOS PAC ID: 0042221368
Enrollment ID: I20160323000586

Medical Identifiers

Medical identifiers for Dr Darby Annette Clayson such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1619968021	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	A139455 (California)	Primary
171000000X	Military Health Care Provider	11502 (Nevada)	Secondary
207R00000X	Internal Medicine	11502 (Nevada)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Saint Francis Memorial Hospital	San francisco, CA	Hospital
Chinese Hospital	San francisco, CA	Hospital
Lawton Skilled Nursing & Rehabilitation Center	San francisco, CA	Nursing home

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Vituity Hospitalists Pc	2567714090	68
San Francisco Unified Physicians Group, Inc	8426310004	15

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 Darby Annette Clayson allows following entities to bill medicare on her behalf.

Entity Name	Verity Medical Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1326312067 PECOS PAC ID: 7416119110 Enrollment ID: O20120425000408

Entity Name	San Francisco Unified Physicians Group, Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1982104162 PECOS PAC ID: 8426310004 Enrollment ID: O20180319001999

Entity Name	Vituity Hospitalists Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1730666108 PECOS PAC ID: 2567714090 Enrollment ID: O20181011001813

Entity Name	Global Physicians Resources Inc
Entity Type	Part B Supplier - Hospital Department(s)
Entity Identifiers	NPI Number: 1972044469 PECOS PAC ID: 0547514010 Enrollment ID: O20181120000599

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 Darby Annette Clayson 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 Darby Annette Clayson, MD Po Box 31085, San Francisco, CA 94131-0085 Ph: (702) 453-3799	Dr Darby Annette Clayson, MD 1575 7th Ave, San Francisco, CA 94122-3704 Ph: (702) 453-3799

Reviews and Comments

Internal Medicine Doctors in San Francisco, CA

Joseph Li-han Yang, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-476-1000
Dr. Pratyusha Kishore Narra, MBBS Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3490 California St, San Francisco, CA 94118 Phone: 415-514-6200 Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2 W Portal Ave, San Francisco, CA 94127 Phone: 415-291-0480 Fax: 415-252-7176
Christine Soran, Internal Medicine Medicare: Medicare Enrolled Practice Location: 1001 Potrero Ave, Bldg 10, 3rd Floor, Ward 13, Ucsf Division Of General Internal Medicine Sfgh, San Francisco, CA 94110 Phone: 415-206-5164 Fax: 415-206-5586
Stephen Norris Cohen, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 40 Ventura Ave, San Francisco, CA 94116 Phone: 415-681-2171 Fax: 415-681-2171
Dr. Claudio Andres Bravo Carrillo, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-502-4243 Fax: 415-502-0243
Mauricio Jalife Bucay, M.D Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-750-4994 Fax: 415-750-8156

Dr Darby Annette Clayson, MD - Medicare Hospitalist in San Francisco, CA