Sandi T. Woo, PA-C
- Medicare services, 2024
- 934
- Medicare patients, 2024
- 592
- Part D claims, 2024
- 2,428
- Hospital affiliations
- 3
- Industry payments
- $1,029
- Practice address
- 20126 Stanton Ave, Castro Valley, CA 94546
- Practice phone
- Call (510) 537-3556
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cardiovascular Consultants Medical Group, Inc.
Castro Valley, California
Find Sandi Woo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Sandi T. Woo is a physician assistant in Castro Valley, California
Sandi Woo practices at Cardiovascular Consultants Medical Group, Inc. in Castro Valley, California.
Sandi Woo's NPI, 1225103161, was assigned on November 22, 2006. Sandi Woo graduated from Duke University School of Medicine in 2006. Sandi Woo holds California license PA18589.
- NPI
- 1225103161NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072761436
- NPI enumeration date
- November 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 537-3556
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sandi T. Woo practices at Cardiovascular Consultants Medical Group, Inc. in Castro Valley, California
Sandi Woo's primary practice is Cardiovascular Consultants Medical Group, Inc., at 20126 Stanton Ave, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 537-3556.
- Cardiovascular Consultants Medical Group, Inc.20126 Stanton Ave, Castro Valley, CA 94546 · Alameda CountyPhone(510) 537-3556
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sandi T. Woo is affiliated with 7 sites of care and 4 medical groups
Sandi Woo's primary practice is Cardiovascular Consultants Medical Group, Inc. in Castro Valley, California. Sandi Woo is also affiliated with Sutter Eden Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Sandi Woo to 2 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sandi T. Woo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sandi Woo practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cardiovascular Consultants Medical Group, Inc. | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Sandi T. Woo is one of 2,381 physician assistants in California
Medical is Sandi Woo's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Sandi Woo is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Sandi Woo is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Sandi Woo
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Sandi T. Woo billed Medicare for 934 services in 2024
CMS data shows 934 Medicare services from Sandi Woo across 10 procedure codes in 2024, for 592 Medicare patients. Medicare paid $83,640 for them.
Sandi Woo's Medicare services by type, 2024
- Office and hospital visits883
- Tests and treatments35
- Other services16
Where Sandi Woo's Medicare services took place, 2024
- In an office28030%
- In a facility65470%
Sandi Woo compared with the California median for physician assistants, 2024
- Sandi Woo
- California median
- Medicare services
- 934vs 2783.4 times
- Medicare patients
- 592vs 1165.1 times
- Part D claims
- 2,167vs 4404.9 times
Medians across 1,473 physician assistants in California with Dmand AI profiles that report each measure.
Sandi Woo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Sandi Woo and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Sandi T. Woo treated 592 Medicare patients in 2024, average age 77
CMS counts 592 Medicare patients who saw Sandi Woo in 2024. The largest group is 75 to 84, with 234 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.44, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sandi Woo's median patient age at 75, with 36% women.
Sandi Woo's Medicare patients by age, 2024
Sandi Woo's Medicare patients by sex, 2024
- Women27446%
- Men31854%
Chronic conditions among Sandi Woo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure66%
- Ischemic heart disease65%
- Atrial fibrillation58%
- Chronic kidney disease53%
- Diabetes45%
- Arthritis42%
Share of Medicare patients with each condition. A patient can have several.
Sandi Woo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women36%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sandi T. Woo wrote 2,428 Medicare Part D claims in 2024
In 2024, Sandi Woo wrote 2,428 Medicare Part D claims for 835 patients. 76% of them were for generic drugs. CMS names the drug for 2,167 of them, across 37 drugs with 11 or more claims each, at $624,339 in total drug cost.
Sandi Woo's Part D claims by kind of drug, 2024
- Generic1,843 claims76%
- Brand-name585 claims24%
Sandi Woo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Sandi Woo's Part D claims, 2024
- Antibiotics1%18 of 2,428 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Sandi T. Woo offers telehealth to Medicare patients
Sandi Woo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sandi Woo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sandi T. Woo received $1,029 in industry payments from 2024 to 2025
CMS Open Payments shows 16 general payments to Sandi Woo from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 98% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $234.
General payments to Sandi Woo by program year, 2024 to 2025
General payments to Sandi Woo by kind, 2024 to 2025
- Food and beverage$1,00998%
- Education$202%
Companies that paid Sandi Woo the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sandi T. Woo graduated from Duke University School of Medicine
Sandi Woo graduated from Duke University School of Medicine in 2006. Sandi Woo is a member of AAPA and ACC.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Sandi T. Woo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Sandi T. Woo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sandi T. Woo's NPI number?
Sandi T. Woo's NPI number is 1225103161. It was assigned on November 22, 2006, and it is active in the NPI Registry.
What does Sandi T. Woo specialize in?
Sandi T. Woo is a physician assistant in Castro Valley, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Sandi T. Woo practice?
Sandi Woo practices at 20126 Stanton Ave, Castro Valley, CA 94546. Sandi Woo's primary practice is Cardiovascular Consultants Medical Group, Inc. in Castro Valley, California. Dmand AI also links Sandi Woo to 2 hospitals, 3 group practices and clinics and 3 medical groups.
What is Sandi T. Woo's office phone number?
The practice phone on file for Sandi Woo is (510) 537-3556.
What is Sandi T. Woo's medical license number?
Sandi Woo holds California license PA18589.
Which hospitals is Sandi T. Woo affiliated with?
Sandi Woo is affiliated with Sutter Eden Medical Center. Dmand AI links Sandi Woo to 2 more hospitals.
What medical group is Sandi T. Woo part of?
Sandi Woo is linked to Palo Alto Foundation Medical Group. Dmand AI links Sandi Woo to 3 more medical groups.
Does Sandi T. Woo accept Medicare?
Yes. CMS data shows Sandi Woo billed Medicare for 934 services in 2024, and Sandi Woo accepts Medicare assignment.
Does Sandi T. Woo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Sandi Woo as offering telehealth services.
How many Medicare patients does Sandi T. Woo see?
CMS counts 592 Medicare patients who saw Sandi Woo in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
Is Sandi T. Woo board certified?
Yes. Sandi Woo is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Sandi T. Woo bill to Medicare?
In 2024, Sandi Woo's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99223).
Where did Sandi T. Woo go to medical school?
Sandi Woo graduated from Duke University School of Medicine in 2006.
What drugs does Sandi T. Woo prescribe most?
In 2024 Medicare Part D data, Sandi Woo's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Atorvastatin Calcium.
Has Sandi T. Woo received payments from drug or device companies?
CMS Open Payments shows $1,029 in general payments to Sandi Woo from 9 companies from 2024 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Sandi T. Woo been practicing?
Sandi Woo graduated from medical school in 2006, 20 years ago.
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