Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Henry Knoop IV, RPA-C

Individual provider Physician Assistant · NPI 1790912152

Mr. Henry Knoop IV, RPA-C is a Physician Assistant in Lakeport, California. Qualified in 2008, 18 years ago. Practices with Mary Imogene Bassett Hospital, a 779-clinician group and accepts Medicare assignment. Licensed in California, Illinois and New York.

Years since qualifying
18
Licensed in
CA, IL, NY
In the registry since
2009
Specialties on file
3
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Practice location Address checks out

5176 Hill Rd E
Lakeport, CA 95453-6300
Phone: (707) 262-5088
Fax: (707) 263-8977
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 013106 (NY)
Physician Assistant Taxonomy 363A00000X · Licence 085003747 (IL)
Physician Assistant Taxonomy 363A00000X · Licence PA-21953 (CA)

Record details

NPI number1790912152
Entity typeIndividual (Type 1)
GenderMale
Credentials RPA-C
Sole proprietorYes
NPI enumeratedJune 12, 2009
Last updated in NPPESFebruary 15, 2021
Certification dateFebruary 15, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Mary Imogene Bassett Hospital — 779 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients37
Services billed 57 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mary Imogene Bassett Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 779 clinicians in the practice; 12 are shown here.

Other providers in Lakeport