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MS. ANDREA AGCAOILI D.O.
NPI 1265775035
Family Medicine in Walnut Creek, CA

Active since March 31, 2013PECOS EnrolledAccepts Medicare Assignment
1450 TREAT BLVD, WALNUT CREEK, CA 94597(925) 296-9720(925) 296-9030 Get Directions Write a Review

NPPES record last updated: November 21, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 21, 2016, Nov 15, 2016, Nov 10, 2016 (3 updates tracked since 2016).

About Ms. Andrea Agcaoili D.o. NPPES

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

MS. ANDREA AGCAOILI D.O. (NPI 1265775035) is an individual family medicine provider in Walnut Creek, California, licensed in California (20A14672) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1265775035
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMS. ANDREA AGCAOILICredential: D.O.
Location Address1450 TREAT BLVDWalnut Creek, CA 94597
Mailing Address1450 Treat BlvdWalnut Creek, CA 94597
Phone(925) 296-9720
Fax(925) 296-9030
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 31, 2013
Last NPPES UpdateNovember 21, 20163 updates tracked since enumeration
✔ NPI 1265775035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · 20A14672✔ Licensed in NV · SL1012
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1450 TREAT BLVD, Walnut Creek, CA 94597
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Andrea Agcaoili D.o. 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 ID1658650213
PECOS Enrollment IDI20161122002072
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.

Medicare Billing Reassignment

Medicare enrollment records show Andrea Agcaoili reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Physician Network
0.1 mi
General Practice
1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 650 clinicians in this Medicare group
NPI 1841407665 (925) 296-9872

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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 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.
200 services151 patients
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.
158 services105 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.
56 services56 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
27 services25 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.
21 services21 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.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94597 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.

Other Providers at the Same Location NPPES 20

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

DR. JASLEEN SOHAL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. HENNESSEY TSENG M.D.
Internal Medicine (Cardiovascular Disease)
1450 TREAT BLVD, SUITE 220B
WALNUT CREEK, CA 94597
Contra Costa County (925) 937-1770
DR. DEBORAH A GREER M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9000
DR. RUQAYA FATIMA M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 286-9000
DR. PRITI H PATEL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. DEVORAH E BEN-ZEEV M.D.
Internal Medicine
1450 TREAT BLVD, SUITE 120A
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. KATHLEEN SMITH M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770
DR. TESSIE A OKAMURA M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770

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 Andrea Agcaoili's NPI number?

The NPI number for Andrea Agcaoili is 1265775035. It was assigned to this individual provider in the NPPES registry on March 31, 2013.

Where is Andrea Agcaoili located?

Andrea Agcaoili practices at 1450 Treat Blvd, Walnut Creek, CA 94597. The listed phone number is (925) 296-9720.

What is Andrea Agcaoili's specialty?

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

Is Andrea Agcaoili enrolled in Medicare?

Yes. Andrea Agcaoili 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.

Which organization bills Medicare for Andrea Agcaoili's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Agcaoili reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrea Agcaoili's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrea Agcaoili was last updated on November 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.