Gwynneth K. Horner
- Part D claims, 2024
- 55
- Publications
- 1
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Gwynneth Horner'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.
Gwynneth K. Horner is an OB-GYN in San Diego, California
Gwynneth Horner practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Gwynneth Horner's NPI, 1568996510, was assigned on April 17, 2017. Gwynneth Horner graduated from University Of Louisville School Of Medicine in 2018. Gwynneth Horner holds California license A179788.
- NPI
- 1568996510NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638409568
- NPI enumeration date
- April 17, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gwynneth K. Horner practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Gwynneth Horner's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gwynneth K. Horner is affiliated with 2 sites of care and 1 medical group
Gwynneth Horner's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Gwynneth Horner is also affiliated with Kaiser Permanente Zion Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gwynneth K. Horner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gwynneth Horner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gwynneth K. Horner is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Gwynneth Horner's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Gwynneth Horner is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Gwynneth Horner's licenses on file in 2 states: California and South Carolina.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- South Carolina license
OB-GYNs near Gwynneth Horner
Counts of OB-GYNs 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
Gwynneth K. Horner's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Gwynneth Horner's median patient age at 33, with 99% women.
Gwynneth Horner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Gwynneth K. Horner wrote 55 Medicare Part D claims in 2024
In 2024, Gwynneth Horner wrote 55 Medicare Part D claims for 31 patients. 95% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $1,049 in total drug cost. In 2021, CMS named 33 claims across 2 drugs.
Gwynneth Horner's Part D claims by kind of drug, 2024
- Generic52 claims95%
- Brand-name and other3 claims5%
Gwynneth Horner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 332024: 316%
Drugs named by CMS: 2 in 2024, 2 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gwynneth K. Horner takes part in Medicare
Gwynneth Horner 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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Gwynneth K. Horner has 1 publication on record
Dmand AI links 1 paper to Gwynneth Horner in 2019. Gwynneth Horner's most frequent co-author is Sindhu Parupalli, MD.
Gwynneth Horner's most frequent co-authors
Recent publications by Gwynneth Horner
See who Gwynneth Horner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Gwynneth Horner works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Gwynneth K. Horner graduated from University Of Louisville School Of Medicine
Gwynneth Horner graduated from University Of Louisville School Of Medicine in 2018.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Sources for Gwynneth K. Horner'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 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 and Drug (CMS) (opens in a new tab)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Gwynneth K. Horner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gwynneth K. Horner's NPI number?
Gwynneth K. Horner's NPI number is 1568996510. It was assigned on April 17, 2017, and it is active in the NPI Registry.
What does Gwynneth K. Horner specialize in?
Gwynneth K. Horner is an OB-GYN in San Diego, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Gwynneth K. Horner practice?
Gwynneth Horner practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Gwynneth Horner's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California.
What is Gwynneth K. Horner's office phone number?
The practice phone on file for Gwynneth Horner is (619) 528-5000.
What is Gwynneth K. Horner's medical license number?
Gwynneth Horner holds California license A179788, one of the licenses on file in 2 states.
Which states has Gwynneth K. Horner been licensed in?
Dmand AI has state licenses on file for Gwynneth Horner in California (2022 to 2026) and South Carolina (2019 to 2022).
Which hospitals is Gwynneth K. Horner affiliated with?
Gwynneth Horner is affiliated with Kaiser Permanente Zion Medical Center.
What medical group is Gwynneth K. Horner part of?
Gwynneth Horner is linked to Southern California Permanente Medical Group.
Does Gwynneth K. Horner accept Medicare?
Yes. CMS lists Gwynneth Horner as accepting Medicare assignment.
Is Gwynneth K. Horner board certified?
Yes. Gwynneth Horner is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
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Where did Gwynneth K. Horner go to medical school?
Gwynneth Horner graduated from University Of Louisville School Of Medicine in 2018.
What drugs does Gwynneth K. Horner prescribe most?
In 2024 Medicare Part D data, Gwynneth Horner's most prescribed drugs by claims were Estradiol and Clobetasol Propionate.
How long has Gwynneth K. Horner been practicing?
Gwynneth Horner graduated from medical school in 2018, 8 years ago.
Does Gwynneth K. Horner do research?
Dmand AI links 1 publication to Gwynneth Horner.
Who does Gwynneth K. Horner publish with?
Gwynneth Horner's most frequent co-authors are Sindhu Parupalli, MD (1 shared paper).
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