Stanley Andrew Tan, MD
Stanley Andrew Tan, MD is an Endocrinology in Castro Valley, California. Graduated from Loma Linda University School of Medicine in 1971, 55 years ago. Practices as a sole proprietor, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Florida and North Carolina.
- Years since qualifying
- 55
- Trained at
- Loma Linda University School of Medicine
- Licensed in
- CA, FL, NC
- In the registry since
- 2005
- Specialties on file
- 4
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
20642 John DrCastro Valley, CA 94546-5103
Phone: (510) 785-5000
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (2)
- 1005 W Circle St, Avon Park, FL 33825-2928 — (863) 453-5500
- 7125 Murrell Rd, Melbourne, FL 32940-7999 — (321) 215-4910
Specialties & licences
| Endocrinology, Diabetes & Metabolism Physician (primary) | Taxonomy 207RE0101X · Licence ME94328 (FL) |
|---|---|
| Endocrinology, Diabetes & Metabolism Physician | Taxonomy 207RE0101X · Licence G23082 (CA) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence G23082 (CA) |
| Endocrinology, Diabetes & Metabolism Physician | Taxonomy 207RE0101X · Licence 2003-00713 (NC) |
Record details
| NPI number | 1396747721 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | August 15, 2005 |
| Last updated in NPPES | October 8, 2025 |
| Certification date | October 8, 2025 |
| Mailing address | 20642 John Dr, Castro Valley, CA 94546-5103 |
Medicare enrollment
| Medicare specialty | ENDOCRINOLOGY |
|---|---|
| Also practises | INTERNAL MEDICINE |
| Medical school | LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE |
| Graduated | 1971 (55 years in practice) |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
Other providers in Castro Valley
-
Amer A. Budayr, MD
20700 Lake Chabot Rd Ste 107, Castro Valley, CA 94546-5402 · (925) 386-6001
-
Jennifer Casey
20101 Lake Chabot Rd, Castro Valley, CA 94546-5305 · (510) 204-1844
-
Dr. Nalurporn Chokrungvaranon, MD
20101 Lake Chabot Rd, Castro Valley, CA 94546 · (510) 204-1844
-
Marcia C Peck, MD
20130 Lake Chabot Rd Ste 201, Castro Valley, CA 94546-5340 · (510) 204-2574