Sindy B. To, FNP
- Part D claims, 2024
- 1,536
- Hospital affiliations
- 1
- Industry payments
- $144
- Medical groups
- 7
- State license
- 1
- Practice address
- 299 W Foothill Blvd, Upland, CA 91786
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
Upland, California
Find Sindy To'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.
Sindy B. To is a nurse practitioner in Upland, California
Sindy To practices at Healthcare Partners Medical Group in Upland, California.
Sindy To's NPI, 1689170698, was assigned on March 30, 2018. Sindy To holds California license NP95008708.
- NPI
- 1689170698NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032449335
- NPI enumeration date
- March 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sindy B. To practices at Healthcare Partners Medical Group in Upland, California
Sindy To's primary practice is Healthcare Partners Medical Group, at 299 W Foothill Blvd, Upland, CA 91786 in San Bernardino County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group299 W Foothill Blvd, Upland, CA 91786 · San Bernardino CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sindy B. To is affiliated with 4 sites of care and 7 medical groups
Sindy To's primary practice is Healthcare Partners Medical Group in Upland, California. Sindy To is also affiliated with San Antonio Regional Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Sindy To to 6 more medical groups and 2 group practices and clinics, 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 Sindy B. To's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sindy To practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Sindy B. To is one of 5,983 nurse practitioners in California
Nurse practitioner is Sindy To's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Sindy To is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Sindy To
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
Sindy B. To's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Sindy To's median patient age at 66, with 82% women.
Sindy To's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women82%
- Men18%
Source: Dmand AI Patient Panel Data
Sindy B. To wrote 1,536 Medicare Part D claims in 2024
In 2024, Sindy To wrote 1,536 Medicare Part D claims for 337 patients. 88% of them were for generic drugs.
Sindy To's Part D claims by kind of drug, 2024
- Generic1,359 claims88%
- Brand-name and other177 claims12%
Drug classes CMS tracks in Sindy To's Part D claims, 2024
- Opioids2%28 of 1,536 claims
- Antibiotics3%48 of 1,536 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Sindy B. To takes part in Medicare
Sindy To 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)
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Sindy B. To received $144 in industry payments in 2025
CMS Open Payments shows 1 general payment to Sindy To from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $144.
Companies that paid Sindy To the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Sindy B. To'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 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) |
| Industry payments | Open Payments (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 Sindy B. To
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sindy B. To's NPI number?
Sindy B. To's NPI number is 1689170698. It was assigned on March 30, 2018, and it is active in the NPI Registry.
What does Sindy B. To specialize in?
Sindy B. To is a nurse practitioner in Upland, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Sindy B. To practice?
Sindy To practices at 299 W Foothill Blvd, Upland, CA 91786. Sindy To's primary practice is Healthcare Partners Medical Group in Upland, California. Dmand AI also links Sindy To to 6 medical groups and 2 group practices and clinics.
What is Sindy B. To's office phone number?
The practice phone on file for Sindy To is (213) 623-2225.
What is Sindy B. To's medical license number?
Sindy To holds California license NP95008708.
Which hospitals is Sindy B. To affiliated with?
Sindy To is affiliated with San Antonio Regional Hospital.
What medical group is Sindy B. To part of?
Sindy To is linked to Southern California Permanente Medical Group. Dmand AI links Sindy To to 6 more medical groups.
Does Sindy B. To accept Medicare?
Yes. CMS lists Sindy To as accepting Medicare assignment.
Has Sindy B. To received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to Sindy To from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Sindy B. To been practicing?
Sindy To graduated from medical school in 2017, 9 years ago.
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