SANDI T WOO PA-C
NPI 1225103161
Physician Assistant - Medical in Castro Valley, CA

Active since November 22, 2006PECOS EnrolledAccepts Medicare Assignment
20126 STANTON AVE #100, CASTRO VALLEY, CA 94546(510) 537-3556(510) 537-3610 Get Directions Write a Review

NPPES record last updated: July 1, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Sandi T Woo Pa-c NPPES

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

SANDI T WOO PA-C (NPI 1225103161) is an individual medical provider in Castro Valley, California, licensed in California (PA18589) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2006).

NPPES Registry Identity

NPI1225103161
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameSANDI T WOOCredential: PA-C
Location Address20126 STANTON AVE #100Castro Valley, CA 94546-5367
Mailing Address2855 Mitchell Dr Ste 223Walnut Creek, CA 94598-1609 · (510) 537-3556 · Fax (510) 537-3610
Fax(510) 537-3610
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2006
Enumeration DateNovember 22, 2006
Last NPPES UpdateJuly 1, 2010
NPI 1225103161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in CA · PA18589

Other Identifiers 1

OtherPA18589CA · Pa License

Medicare Participation & PECOS Enrollment Status

Sandi Woo is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Sandi Woo is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3072761436

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20120911000158

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 18 times for 18 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 392 times for 318 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

This service was performed 17 times for 17 patients

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225103161, enumerated as an "individual" on November 22, 2006.

The provider is located at 20126 STANTON AVE #100 CASTRO VALLEY, CA 94546 and the phone number is (510) 537-3556.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.