Nancy Chiao-Castle
- Part D claims, 2024
- 594
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Nancy Chiao-Castle'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.
Nancy Chiao-Castle is a nurse practitioner in San Mateo, California
Nancy Chiao-Castle practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Nancy Chiao-Castle's NPI, 1578619052, was assigned on January 26, 2007. Nancy Chiao-Castle holds California license RN245686.
- NPI
- 1578619052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577552256
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nancy Chiao-Castle practices at San Mateo Medical Center in San Mateo, California
Nancy Chiao-Castle's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Nancy Chiao-Castle is affiliated with 2 sites of care and 1 medical group
Nancy Chiao-Castle's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is San Mateo Medical Center. Dmand AI also links Nancy Chiao-Castle to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nancy Chiao-Castle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nancy Chiao-Castle practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Nancy Chiao-Castle is one of 5,983 nurse practitioners in California
Nurse practitioner is Nancy Chiao-Castle's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Nancy Chiao-Castle is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Nancy Chiao-Castle
Counts of nurse practitioners 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
Nancy Chiao-Castle's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Nancy Chiao-Castle's median patient age at 77, with 64% women.
Nancy Chiao-Castle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Nancy Chiao-Castle wrote 594 Medicare Part D claims in 2024
In 2024, Nancy Chiao-Castle wrote 594 Medicare Part D claims for 185 patients. 89% of them were for generic drugs.
Nancy Chiao-Castle's Part D claims by kind of drug, 2024
- Generic526 claims89%
- Brand-name and other68 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Nancy Chiao-Castle takes part in Medicare
Nancy Chiao-Castle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Nancy Chiao-Castle'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Nancy Chiao-Castle
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nancy Chiao-Castle's NPI number?
Nancy Chiao-Castle's NPI number is 1578619052. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What does Nancy Chiao-Castle specialize in?
Nancy Chiao-Castle is a nurse practitioner in San Mateo, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Nancy Chiao-Castle practice?
Nancy Chiao-Castle practices at 222 W 39th Ave, San Mateo, CA 94403. Nancy Chiao-Castle's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Nancy Chiao-Castle to 1 skilled nursing facility.
What is Nancy Chiao-Castle's office phone number?
The practice phone on file for Nancy Chiao-Castle is (650) 573-2222.
What is Nancy Chiao-Castle's medical license number?
Nancy Chiao-Castle holds California license RN245686.
Which hospitals is Nancy Chiao-Castle affiliated with?
Nancy Chiao-Castle practices at San Mateo Medical Center in San Mateo, California.
What medical group is Nancy Chiao-Castle part of?
Nancy Chiao-Castle is linked to San Mateo Medical Center.
Does Nancy Chiao-Castle accept Medicare?
Yes. CMS lists Nancy Chiao-Castle as accepting Medicare assignment.
How long has Nancy Chiao-Castle been practicing?
Nancy Chiao-Castle graduated from medical school in 1999, 27 years ago.
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