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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: August 09, 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
Phone(510) 537-3556
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 CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sandi T Woo Pa-c 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 ID3072761436
PECOS Enrollment IDI20120911000158
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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
469 services297 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.
195 services170 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
68 services67 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
46 services41 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
46 services46 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system 93288
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.
35 services29 patients

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 Sandi Woo's NPI number?

The NPI number for Sandi Woo is 1225103161. It was assigned to this individual provider in the NPPES registry on November 22, 2006.

Where is Sandi Woo located?

Sandi Woo practices at 20126 Stanton Ave #100, Castro Valley, CA 94546. The listed phone number is (510) 537-3556.

What is Sandi Woo's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Sandi Woo enrolled in Medicare?

Yes. Sandi Woo 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 Sandi Woo was last updated on July 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.