Ryan C. Wittwer, DDS
- Industry payments
- $137
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2005
- Practice locations
- 2
- Practice address
- 1667 Dominican Way Ste 232 Suite 232, Santa Cruz, CA 95065-1560
- Practice phone
- Call (831) 476-5520
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Cruz Children's Dental Group
Physician office · Santa Cruz, California
Find Ryan Wittwer'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.
Ryan C. Wittwer is a pediatric dentist in El Dorado Hills, California
Ryan Wittwer practices at Santa Cruz Children's Dental Group in Santa Cruz, California.
Ryan Wittwer's NPI, 1639175748, was assigned on June 23, 2005. Ryan Wittwer holds California license 56989.
- NPI
- 1639175748NPI Registry (opens in a new tab)
- NPI enumeration date
- June 23, 2005
- NPI status
- Active
- Practice phone
- (831) 476-5520
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Ryan C. Wittwer practices in Santa Cruz and El Dorado Hills
Ryan Wittwer's primary practice is Santa Cruz Children's Dental Group, at 1667 Dominican Way Ste 232 Suite 232, Santa Cruz, CA 95065-1560. The practice phone is (831) 476-5520. The NPI Registry lists Ryan Wittwer's practice address as 4420 Town Center Blvd Ste 220, El Dorado Hills, CA 95762.
- Santa Cruz Children's Dental GroupPrimary1667 Dominican Way Ste 232 Suite 232, Santa Cruz, CA 95065-1560Phone(831) 476-5520
- NPI Registry address4420 Town Center Blvd Ste 220, El Dorado Hills, CA 95762
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Ryan C. Wittwer is affiliated with 1 site of care
Ryan Wittwer's primary practice is Santa Cruz Children's Dental Group in Santa Cruz, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ryan C. Wittwer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Wittwer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Cruz Children's Dental Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Ryan C. Wittwer is one of 761 pediatric dentists in California
Pediatric dentistry is Ryan Wittwer's primary specialty in the NPI Registry, under taxonomy code 1223P0221X. Dmand AI has Ryan Wittwer's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Pediatric dentist, CaliforniaPrimary
- Texas license
Pediatric dentists near Ryan Wittwer
Counts of pediatric dentists 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
Ryan C. Wittwer's patients have a median age of 18
Across all payers, Dmand AI patient panel data puts Ryan Wittwer's median patient age at 18, with 0% women.
Ryan Wittwer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Ryan C. Wittwer received $137 in industry payments in 2025
CMS Open Payments shows 2 general payments to Ryan Wittwer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $137.
Companies that paid Ryan Wittwer 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 Ryan C. Wittwer'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 Ryan C. Wittwer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan C. Wittwer's NPI number?
Ryan C. Wittwer's NPI number is 1639175748. It was assigned on June 23, 2005, and it is active in the NPI Registry.
What does Ryan C. Wittwer specialize in?
Ryan C. Wittwer is a pediatric dentist in El Dorado Hills, California. The primary specialty in the NPI Registry is Pediatric Dentist (taxonomy code 1223P0221X).
Where does Ryan C. Wittwer practice?
Ryan Wittwer practices at 1667 Dominican Way Ste 232 Suite 232, Santa Cruz, CA 95065-1560. Ryan Wittwer also practices at 4420 Town Center Blvd Ste 220, El Dorado Hills, CA 95762. Ryan Wittwer's primary practice is Santa Cruz Children's Dental Group in Santa Cruz, California.
What is Ryan C. Wittwer's office phone number?
The practice phone on file for Ryan Wittwer is (831) 476-5520.
What is Ryan C. Wittwer's medical license number?
Ryan Wittwer holds California license 56989, one of the licenses on file in 2 states.
Which states has Ryan C. Wittwer been licensed in?
Dmand AI has state licenses on file for Ryan Wittwer in California and Texas.
Has Ryan C. Wittwer received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Ryan Wittwer from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Ryan C. Wittwer been practicing?
Ryan Wittwer's NPI was assigned in 2005.
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