Karen Kay Klein, NP
Nurse Practitioner · Rancho Cordova, CA
Karen Kay Klein, NP is a nurse practitioner with a practice address in Rancho Cordova, California, and NPI 1447320346, issued on Nov 8, 2006. Check the license (California 12286, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Kay Klein
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 12286 CA
NP12286 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4040 Sunrise Blvd, Rancho Cordova, CA 95742
- Phone
- (800) 972-5547
- Enumerated
- Nov 8, 2006
- Record last updated
- Dec 26, 2023
- Fax
- (916) 887-7930
- Medicare enrollment
- Enrolled (PECOS I20190610001245); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Verify Karen Kay Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
119 Medicare Part D claims for 48 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Adventist Health Physicians NetworkArroyo Grande, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Kay Klein among 8,223 nurse practitioner records in California
Karen Kay Klein, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2000 · median 2017 among the 3,425 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Rancho Cordova → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Poonam Chhina, NPRancho Cordova, CA 957421750138442
- Amanda Splinter, NPGranite Bay, CA 957461669328993
- Aundrea Grant, FNPRoseville, CA 957471902769854
- Nancy Holtz, N.P.Roseville, CA 957471043365851
- Yelena Kisel, RN, PHN, FNPRoseville, CA 957471821282708
- Supinder Randhawa, NPRoseville, CA 957471821474230
- Navneet Boparai, NPElk Grove, CA 957571972210284
- Krista Courtney Dacasin, MSN, APRN-CNP, FNP-CElk Grove, CA 957571396343570
Common questions
What is Karen Kay Klein, NP's NPI number?
Karen Kay Klein, NP's National Provider Identifier (NPI) is 1447320346, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Kay Klein, NP located?
The NPPES record lists a practice address at 4040 Sunrise Blvd, Rancho Cordova, CA, 95742. Phone: (800) 972-5547. Providers update this record themselves, so call before visiting.
How can I verify Karen Kay Klein, NP's license?
NPPES lists California license number 12286, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Kay Klein, NP prescribe under Medicare Part D?
In 2024, Karen Kay Klein, NP had 119 Medicare Part D claims for 48 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Karen Kay Klein, NP's MIPS final score?
The 2023 MIPS final score is 83.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.