Katherine J. Herbst, PA-C
- Medicare patients, 2024
- 47
- Industry payments
- $26
- Affiliated sites
- 2
- Medical groups
- 3
- State license
- 1
- Practice address
- 23141 Moulton Pkwy, Laguna Hills, CA 92653
- Practice phone
- Call (949) 516-0606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rhwc Surgery Center, LLC
Laguna Hills, California
Find Katherine Herbst'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.
Katherine J. Herbst is a physician assistant in Laguna Hills, California
Katherine Herbst practices at Rhwc Surgery Center, LLC in Laguna Hills, California.
Katherine Herbst's NPI, 1861199887, was assigned on February 9, 2023.
- NPI
- 1861199887NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648637090
- NPI enumeration date
- February 9, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 516-0606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine J. Herbst practices at Rhwc Surgery Center, LLC in Laguna Hills, California
Katherine Herbst's primary practice is Rhwc Surgery Center, LLC, at 23141 Moulton Pkwy, Laguna Hills, CA 92653 in Orange County. The practice phone is (949) 516-0606.
- Rhwc Surgery Center, LLC23141 Moulton Pkwy, Laguna Hills, CA 92653 · Orange CountyPhone(949) 516-0606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine J. Herbst is affiliated with 3 sites of care and 3 medical groups
Katherine Herbst's primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. The medical group on file is Premiere Spine & Sports Medicine. Dmand AI also links Katherine Herbst to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katherine J. Herbst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Herbst practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rhwc Surgery Center, LLC | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine J. Herbst is one of 2,381 physician assistants in California
Medical is Katherine Herbst's primary specialty in the NPI Registry, under taxonomy code 363AM0700X.
Specialties and state licenses
- Medical physician assistantPrimary
Physician assistants near Katherine Herbst
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
Katherine J. Herbst treated 47 Medicare patients in 2024, average age 76
CMS counts 47 Medicare patients who saw Katherine Herbst in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Herbst's median patient age at 70, with 54% women.
Katherine Herbst's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Herbst's Medicare patients by sex, 2024
- Women2860%
- Men1940%
Chronic conditions among Katherine Herbst's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure66%
- Anxiety30%
- Chronic kidney disease26%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Katherine Herbst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Katherine J. Herbst takes part in Medicare
Katherine Herbst 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)
Katherine J. Herbst received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine Herbst from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $26.
Companies that paid Katherine Herbst 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 Katherine J. Herbst'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 DataMedicare Physician & Other Practitioners - 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) |
| 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 Katherine J. Herbst
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine J. Herbst's NPI number?
Katherine J. Herbst's NPI number is 1861199887. It was assigned on February 9, 2023, and it is active in the NPI Registry.
What does Katherine J. Herbst specialize in?
Katherine J. Herbst is a physician assistant in Laguna Hills, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Katherine J. Herbst practice?
Katherine Herbst practices at 23141 Moulton Pkwy, Laguna Hills, CA 92653. Katherine Herbst's primary practice is Rhwc Surgery Center, LLC in Laguna Hills, California. Dmand AI also links Katherine Herbst to 2 group practices and clinics and 2 medical groups.
What is Katherine J. Herbst's office phone number?
The practice phone on file for Katherine Herbst is (949) 516-0606.
What medical group is Katherine J. Herbst part of?
Katherine Herbst is linked to Premiere Spine & Sports Medicine. Dmand AI links Katherine Herbst to 2 more medical groups.
Does Katherine J. Herbst accept Medicare?
Yes. CMS lists Katherine Herbst as accepting Medicare assignment.
How many Medicare patients does Katherine J. Herbst see?
CMS counts 47 Medicare patients who saw Katherine Herbst in 2024, with an average age of 76.
Has Katherine J. Herbst received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Katherine Herbst from 1 company from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has Katherine J. Herbst been practicing?
Katherine Herbst graduated from medical school in 2022, 4 years ago.
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