Karen Sierra, DDS
- Industry payments
- $36
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2018
- Practice locations
- 2
- Practice address
- 14650 Aviation Blvd Ste 205 Suite 205, Hawthorne, CA 90250-6668
- Practice phone
- Call (424) 336-9001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Emerald Dental Studio
Physician office · Hawthorne, California
Find Karen Sierra'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.
Karen Sierra is a dentist in Downey, California
Karen Sierra practices at Emerald Dental Studio in Hawthorne, California.
Karen Sierra's NPI, 1619449915, was assigned on December 26, 2018. Karen Sierra holds California license 104221.
- NPI
- 1619449915NPI Registry (opens in a new tab)
- NPI enumeration date
- December 26, 2018
- NPI status
- Active
- Practice phone
- (424) 336-9001
- 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 Affiliation Data
Karen Sierra practices in Hawthorne and Downey
Karen Sierra's primary practice is Emerald Dental Studio, at 14650 Aviation Blvd Ste 205 Suite 205, Hawthorne, CA 90250-6668. The practice phone is (424) 336-9001. The NPI Registry lists Karen Sierra's practice address as 7601 Imperial Hwy, Downey, CA 90242.
- Emerald Dental StudioPrimary14650 Aviation Blvd Ste 205 Suite 205, Hawthorne, CA 90250-6668Phone(424) 336-9001
- NPI Registry address7601 Imperial Hwy, Downey, CA 90242
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Karen Sierra is affiliated with 1 site of care
Karen Sierra's primary practice is Emerald Dental Studio in Hawthorne, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen Sierra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Sierra practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerald Dental Studio | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen Sierra is one of 6,282 dentists in California
Dentist is Karen Sierra's primary specialty in the NPI Registry, under taxonomy code 122300000X. Karen Sierra is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Karen Sierra
Counts of 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
Karen Sierra's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Karen Sierra's median patient age at 79, with 100% women.
Karen Sierra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Karen Sierra received $36 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karen Sierra from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $36.
Companies that paid Karen Sierra 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 Karen Sierra'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 Karen Sierra
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Sierra's NPI number?
Karen Sierra's NPI number is 1619449915. It was assigned on December 26, 2018, and it is active in the NPI Registry.
What does Karen Sierra specialize in?
Karen Sierra is a dentist in Downey, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Karen Sierra practice?
Karen Sierra practices at 14650 Aviation Blvd Ste 205 Suite 205, Hawthorne, CA 90250-6668. Karen Sierra also practices at 7601 Imperial Hwy, Downey, CA 90242. Karen Sierra's primary practice is Emerald Dental Studio in Hawthorne, California.
What is Karen Sierra's office phone number?
The practice phone on file for Karen Sierra is (424) 336-9001.
What is Karen Sierra's medical license number?
Karen Sierra holds California license 104221.
Has Karen Sierra received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Karen Sierra from 1 company from 2025 to 2025. The largest total came from Patterson Companies, Inc.
How long has Karen Sierra been practicing?
Karen Sierra's NPI was assigned in 2018.
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