Sierra Regadanz
- Industry payments
- $159
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 3000 Q St, Sacramento, CA 95816
- Practice phone
- Call (916) 733-3397
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Medical Group, a Service of Dignity Health Medical Foundation
Sacramento, California
Find Sierra Regadanz'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.
Sierra Regadanz is a physician assistant in Sacramento, California
Sierra Regadanz practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California.
Sierra Regadanz's NPI, 1871158832, was assigned on May 6, 2019. Sierra Regadanz holds California license PA61828.
- NPI
- 1871158832NPI Registry (opens in a new tab)
- NPI enumeration date
- May 6, 2019
- NPI status
- Active
- Practice phone
- (916) 733-3397
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Sierra Regadanz practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California
Sierra Regadanz's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation, at 3000 Q St, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 733-3397.
- Mercy Medical Group, a Service of Dignity Health Medical Foundation3000 Q St, Sacramento, CA 95816 · Sacramento CountyPhone(916) 733-3397
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sierra Regadanz is affiliated with 1 site of care and 1 medical group
Sierra Regadanz's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California. The medical group on file is Quality Health Partners.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sierra Regadanz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sierra Regadanz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Group, a Service of Dignity Health Medical Foundation | Available with a free account |
Source: Dmand AI Technology Install Data
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Sierra Regadanz is one of 11,482 physician assistants in California
Physician assistant is Sierra Regadanz's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Sierra Regadanz is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Sierra Regadanz
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
Sierra Regadanz's patients have a median age of 82
Across all payers, Dmand AI patient panel data puts Sierra Regadanz's median patient age at 82, with 75% women.
Sierra Regadanz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 82
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Sierra Regadanz received $159 in industry payments in 2025
CMS Open Payments shows 3 general payments to Sierra Regadanz from 2 drug and device companies in 2025. Education make up the largest share, 63% of the total. Jazz Pharmaceuticals Inc. paid the most, $132.
General payments to Sierra Regadanz by kind, 2025 to 2025
- Education$10063%
- Food and beverage$5937%
Companies that paid Sierra Regadanz 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 Sierra Regadanz'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 |
| 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 Sierra Regadanz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sierra Regadanz's NPI number?
Sierra Regadanz's NPI number is 1871158832. It was assigned on May 6, 2019, and it is active in the NPI Registry.
What does Sierra Regadanz specialize in?
Sierra Regadanz is a physician assistant in Sacramento, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Sierra Regadanz practice?
Sierra Regadanz practices at 3000 Q St, Sacramento, CA 95816. Sierra Regadanz's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California.
What is Sierra Regadanz's office phone number?
The practice phone on file for Sierra Regadanz is (916) 733-3397.
What is Sierra Regadanz's medical license number?
Sierra Regadanz holds California license PA61828.
What medical group is Sierra Regadanz part of?
Sierra Regadanz is linked to Quality Health Partners.
Has Sierra Regadanz received payments from drug or device companies?
CMS Open Payments shows $159 in general payments to Sierra Regadanz from 2 companies from 2025 to 2025. The largest total came from Jazz Pharmaceuticals Inc.
How long has Sierra Regadanz been practicing?
Sierra Regadanz's NPI was assigned in 2019.
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