Michelle Sit, MD
Michelle Sit, MD practises Rheumatology in Vacaville, California. Qualified in 2003, 23 years ago. Practices with Northbay Physicians Surgery Center, LLC, a 337-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Virginia.
- Years since qualifying
- 23
- Licensed in
- CA, VA
- In the registry since
- 2006
- Specialties on file
- 3
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
1010 Nut Tree Rd Ste 100AVacaville, CA 95687-4172
Phone: (707) 624-8532
Fax: (707) 624-8501
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Rheumatology Physician (primary) | Taxonomy 207RR0500X · Licence 0101238150 (VA) |
|---|---|
| Rheumatology Physician | Taxonomy 207RR0500X · Licence C-188321 (CA) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 0101238150 (VA) |
Record details
| NPI number | 1740269513 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | January 11, 2006 |
| Last updated in NPPES | January 7, 2026 |
| Certification date | January 7, 2026 |
Medicare enrollment
| Medicare specialty | RHEUMATOLOGY |
|---|---|
| Medical school | OTHER |
| Graduated | 2003 (23 years in practice) |
| Group practice | Northbay Physicians Surgery Center, Llc — 337 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 2 on file with Medicare |
Medicare patients and services, 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 227 |
| Average patient age | 72 |
Payments from drug and device companies, 2025
| Food and Beverage | $1,458 |
|---|
Practises at
- Northbay Medical Center Hospital · Fairfield, CA · listed as Northbay Medical Center Pharmacy
- Sutter Medical Center, Sacramento Hospital · Sacramento, CA · listed as Sutter Medical Center Sacramento
- Sutter Davis Hospital Hospital · Davis, CA
Colleagues at Northbay Physicians Surgery Center, LLC
- Jessica Alonte, DPT Physical Medicine & Rehabilitation Physician · Vacaville, CA
- William Andrew Ankney, MD Emergency Medicine Physician · Fairfield, CA
- Dr. Caesar Reza Djavaherian, MD Emergency Medicine Physician · Fairfield, CA
- Lisa K. Harrison, RN, CCRN, AGACNP-BC Nurse Practitioner · Scottsdale, AZ
- Dr. Andy W Lee, DO Emergency Medicine Physician · Fairfield, CA
- Dr. Payam Mehranpour, MD Internal Medicine Physician · LA Mesa, CA
- Phuc Kim Nguyen, MD Internal Medicine Physician · Gainesville, FL
- Atul K Patel, MD Neurological Surgery Physician · Oakland, CA
- Shisir Shrestha, MD Internal Medicine Physician · Reno, NV
- Dr. Shanna Rose Snow, DO Obstetrics & Gynecology Physician · Fairfield, CA
- Dr. John Henry Vanuden IV, MD, PHD Diagnostic Radiology Physician · Walnut Creek, CA
- Dr. Teresa B Whitley, MD General Acute Care Hospital · Fairfield, CA
Other providers in Vacaville
-
Dr. Melissa Schoenwetter, DO
1010 Nut Tree Rd Ste 200, Vacaville, CA 95687-4172 · (707) 624-8530