Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Spencer Barrett Tilley, MD

Individual provider Family Medicine Physician · NPI 1710171038

Dr. Spencer Barrett Tilley, MD is a Family Practice in Fremont, California. Graduated from University of Arkansas College of Medicine in 2004, 22 years ago. Practices with Medical Associates of Fremont Inc, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Colorado.

Years since qualifying
22
Trained at
University of Arkansas College of Medicine
Licensed in
CA, CO
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

39225 State St
Fremont, CA 94538-1437
Phone: (510) 794-1990
Fax: (510) 794-1341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 104565 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 43954 (CO)

Record details

NPI number1710171038
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2007
Last updated in NPPESJuly 16, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Medical Associates Of Fremont Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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