Michelle Sit, MD in Vacaville, CA - Medicare Rheumatology

Michelle Sit, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Vacaville, California. She graduated from medical school in 2003 and has 23 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Sutter Valley Medical Foundation and her current practice location is 1010 Nut Tree Rd Ste 100a, Vacaville, California. You can reach out to her office (for appointments etc.) via phone at (707) 624-8532.

Michelle Sit is licensed to practice in Virginia (license number 0101238150) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1740269513.

Contact Information

	Michelle Sit, MD
	1010 Nut Tree Rd Ste 100a, Vacaville, CA 95687-4172
	(707) 624-8532
	(707) 624-8501

Map and Direction

Physician's Profile

Full Name	Michelle Sit
Gender	Female
Speciality	Rheumatology
Experience	23 Years
Location	1010 Nut Tree Rd Ste 100a, Vacaville, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Michelle Sit graduated from medical school in 2003

NPI Data:

NPI Number: 1740269513
Provider Enumeration Date: 01/11/2006
Last Update Date: 01/07/2026

Medicare PECOS Information:

PECOS PAC ID: 9537316443
Enrollment ID: I20240521003564

Medical Identifiers

Medical identifiers for Michelle Sit such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1740269513	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RR0500X	Internal Medicine - Rheumatology	C-188321 (California)	Secondary
207R00000X	Internal Medicine	0101238150 (Virginia)	Secondary
207RR0500X	Internal Medicine - Rheumatology	0101238150 (Virginia)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Sutter Medical Center, Sacramento	Sacramento, CA	Hospital
Sutter Solano Medical Center	Vallejo, CA	Hospital
Sutter Davis Hospital	Davis, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Sutter Valley Medical Foundation	9830094515	2136

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. Michelle Sit allows following entities to bill medicare on her behalf.

Entity Name	Sutter Valley Medical Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1669846986 PECOS PAC ID: 9830094515 Enrollment ID: O20090311000335

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. Michelle Sit 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
Michelle Sit, MD 1010 Nut Tree Rd Ste 100a, Vacaville, CA 95687-4172 Ph: (707) 624-8530	Michelle Sit, MD 1010 Nut Tree Rd Ste 100a, Vacaville, CA 95687-4172 Ph: (707) 624-8532

Reviews and Comments

Internal Medicine Doctors in Vacaville, CA

Dr. Anne An-ru Chen, M.D. Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 770 Mason St, Vacaville, CA 95688 Phone: 707-427-4900 Fax: 707-454-5911
Dr. Jason Rohrer, M.D. Rheumatology Medicare: Not Enrolled in Medicare Practice Location: Po Box 4000, Vacaville, CA 95696 Phone: 707-451-0182
Liyan Zhang, MD Rheumatology Medicare: Medicare Enrolled Practice Location: 1 Quality Dr, Vacaville, CA 95688 Phone: 707-453-5000
Marissa C. Neis-gimenez, MD Rheumatology Medicare: Medicare Enrolled Practice Location: 1 Quality Dr, Vacaville, CA 95688 Phone: 707-453-5000
David M Woodhouse, MD Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 770 Mason St, Vacaville, CA 95688 Phone: 707-454-5800 Fax: 707-454-5911
Richard M Tan, M.D. Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 2100 Peabody Rd., Vacaville, CA 95696 Phone: 707-451-0182
Bethlehem Haile, M.D Rheumatology Medicare: Not Enrolled in Medicare Practice Location: 1600 California Dr, Vacaville, CA 95687 Phone: 707-453-7007 Fax: 707-453-7009

Michelle Sit, MD - Medicare Rheumatology in Vacaville, CA