DR. SPENCER BARRETT TILLEY MD
NPI 1710171038
Family Medicine in Fremont, CA

Active since August 29, 2007PECOS EnrolledAccepts Medicare Assignment
39225 STATE ST, FREMONT, CA 94538(510) 794-1990(510) 794-1341 Get Directions Write a Review

NPPES record last updated: July 16, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Spencer Barrett Tilley Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SPENCER BARRETT TILLEY MD (NPI 1710171038) is an individual family medicine provider in Fremont, California, licensed in California (104565) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (2004).

NPPES Registry Identity

NPI1710171038
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SPENCER BARRETT TILLEYCredential: MD
Location Address39225 STATE STFremont, CA 94538-1437
Mailing Address39225 State StFremont, CA 94538-1437 · (510) 794-1990 · Fax (510) 794-1341
Fax(510) 794-1341
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2004
Enumeration DateAugust 29, 2007
Last NPPES UpdateJuly 16, 2008
NPI 1710171038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in CA · 104565 Licensed in CO · 43954
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
39225 STATE ST, Fremont, CA 94538

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Spencer Barrett Tilley Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658424858
PECOS Enrollment IDI20090805000807
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
620 services300 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
264 services264 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
162 services129 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
68 services67 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
66 services65 patients
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181
This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.
38 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers13 claims28 services$5.19 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier15 claims15 services$68.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine (Adult Medicine)
39225 STATE ST
FREMONT, CA 94538
Nurse Practitioner (Family)
39225 STATE ST
FREMONT, CA 94538
Internal Medicine (Gastroenterology)
39225 STATE ST
FREMONT, CA 94538

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Spencer Tilley's NPI number?

The NPI number for Spencer Tilley is 1710171038. It was assigned to this individual provider in the NPPES registry on August 29, 2007.

Where is Spencer Tilley located?

Spencer Tilley practices at 39225 State St, Fremont, CA 94538. The listed phone number is (510) 794-1990.

What is Spencer Tilley's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Spencer Tilley enrolled in Medicare?

Yes. Spencer Tilley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Spencer Tilley was last updated on July 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.