Keith Kessler, PA
- Part D claims, 2024
- 1,385
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4300 Rose Dr, Yorba Linda, CA 92886-2026
- Practice phone
- Call (714) 577-6601
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Heritage Healthcare
Multi-specialty group site · Yorba Linda, California
Find Keith Kessler'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.
Keith Kessler is a physician assistant in Fullerton, California
Keith Kessler practices at St Joseph Heritage Healthcare in Yorba Linda, California.
Keith Kessler's NPI, 1972711406, was assigned on May 18, 2007. Keith Kessler holds California license PA11408.
- NPI
- 1972711406NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2007
- NPI status
- Active
- Practice phone
- (714) 577-6601
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Keith Kessler practices in Yorba Linda and Fullerton
Keith Kessler's primary practice is St Joseph Heritage Healthcare, at 4300 Rose Dr, Yorba Linda, CA 92886-2026. The practice phone is (714) 577-6601. The NPI Registry lists Keith Kessler's practice address as 101 E Valencia Mesa Dr, Fullerton, CA 92835.
- St Joseph Heritage HealthcarePrimary4300 Rose Dr, Yorba Linda, CA 92886-2026Phone(714) 577-6601
- NPI Registry address101 E Valencia Mesa Dr, Fullerton, CA 92835 · Orange County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Keith Kessler is affiliated with 1 site of care and 1 medical group
Keith Kessler's primary practice is St Joseph Heritage Healthcare in Yorba Linda, California. The medical group on file is St. Jude Heritage Medical Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Keith Kessler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keith Kessler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Joseph Heritage Healthcare | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Keith Kessler is one of 11,482 physician assistants in California
Physician assistant is Keith Kessler's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Keith Kessler is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Keith Kessler
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
Keith Kessler's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Keith Kessler's median patient age at 76, with 60% women.
Keith Kessler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Keith Kessler wrote 1,385 Medicare Part D claims in 2024
In 2024, Keith Kessler wrote 1,385 Medicare Part D claims for 1,052 patients. 82% of them were for generic drugs.
Keith Kessler's Part D claims by kind of drug, 2024
- Generic1,142 claims82%
- Brand-name231 claims17%
- Other12 claims1%
Drug classes CMS tracks in Keith Kessler's Part D claims, 2024
- Opioids7%102 of 1,385 claims
- Antibiotics1%15 of 1,385 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Keith Kessler'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Keith Kessler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keith Kessler's NPI number?
Keith Kessler's NPI number is 1972711406. It was assigned on May 18, 2007, and it is active in the NPI Registry.
What does Keith Kessler specialize in?
Keith Kessler is a physician assistant in Fullerton, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Keith Kessler practice?
Keith Kessler practices at 4300 Rose Dr, Yorba Linda, CA 92886-2026. Keith Kessler also practices at 101 E Valencia Mesa Dr, Fullerton, CA 92835. Keith Kessler's primary practice is St Joseph Heritage Healthcare in Yorba Linda, California.
What is Keith Kessler's office phone number?
The practice phone on file for Keith Kessler is (714) 577-6601.
What is Keith Kessler's medical license number?
Keith Kessler holds California license PA11408.
What medical group is Keith Kessler part of?
Keith Kessler is linked to St. Jude Heritage Medical Group.
How long has Keith Kessler been practicing?
Keith Kessler's NPI was assigned in 2007.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card