Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Karen Kay Klein, NP

Individual provider Family Nurse Practitioner · NPI 1447320346

Mrs. Karen Kay Klein, NP is a Nurse Practitioner in Rancho Cordova, California. Qualified in 2000, 26 years ago. Practices with Adventist Health Physicians Network, a 632-clinician group, works from 13 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

4040 Sunrise Blvd
Rancho Cordova, CA 95742-6922
Phone: (800) 972-5547
Fax: (916) 887-7930
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (12)

  • 5920 West Mall, Atascadero, CA 93422 — (805) 466-0676
  • 2238 Bayview Heights Dr Ste G, Los Osos, CA 93402 — (805) 534-1305
  • 685 Morro Ave Ste C, Morro Bay, CA 93442 — (805) 772-7313
  • 1560 Mesa Rd Ste 100, Nipomo, CA 93444 — (805) 614-5640
  • 697 W Tefft St, Nipomo, CA 93444 — (805) 929-2272
  • 901 Oak Park Blvd Ste 101, Pismo Beach, CA 93449 — (805) 481-2205
  • 877 Oak Park Blvd, Pismo Beach, CA 93449 — (805) 474-8450
  • 1250 Peach St Ste A, San Luis Obispo, CA 93401 — (805) 543-4043
  • 1250 Peach St Ste B, San Luis Obispo, CA 93401 — (805) 543-4043
  • 4460 Broad St Ste 110, San Luis Obispo, CA 93401 — (805) 597-6715
  • 895 Aerovista Pl Ste 103, San Luis Obispo, CA 93401 — (805) 541-3200
  • 265 Posada Ln Ste B, Templeton, CA 93465 — (805) 434-0900

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 12286 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence NP12286 (CA)
Perinatal Registered Nurse Taxonomy 163WP1700X · Licence 12286 (CA)

Record details

NPI number1447320346
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESDecember 26, 2023
Certification dateDecember 26, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Adventist Health Physicians Network — 632 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 patients60
Services billed 127 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $30 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Adventist Health Physicians Network

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 632 clinicians in the practice; 12 are shown here.

Other providers in Rancho Cordova