NPPES file of Aug 9, 2026

Karen Jeanine Davis, FNP-C

Nurse Practitioner · Long Beach, CA

Karen Jeanine Davis, FNP-C is a nurse practitioner with a practice address in Long Beach, California, and NPI 1427391820, issued on Apr 3, 2013. Check the license (California 23618, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427391820
Name
Karen Jeanine Davis
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
23618 CA
583713 CA
Self-reported in NPPES; status is on the state search
Practice location
5603 E 2ND St, Long Beach, CA 90803
Phone
(562) 243-6548
Enumerated
Apr 3, 2013
Record last updated
Jun 10, 2024
Medicare enrollment
Enrolled (PECOS I20131024001074); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Karen Jeanine Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 23618
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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81% fewer Medicare Part D claims than the average nurse practitioner in 2024

216 Medicare Part D claims for 176 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Karen Davis216
  2. Specialty average1,109

Most prescribed

  1. Cephalexin27 claims
  2. Paxlovid21 claims
  3. Nitrofurantoin Mono-Macro18 claims
  4. Amoxicillin-Clavulanate Potass16 claims
  5. Albuterol Sulfate Hfa11 claims
  6. Doxycycline Monohydrate11 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.

Bills Medicare through one group practice

  1. Carbon Health Medical Group OF California PCCypress, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Jeanine Davis among 8,223 nurse practitioner records in California

Karen Jeanine Davis, FNP-C 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 2013, is newer than 39% of them.

  • NPI issued2013 · 39% of these records are older, 58% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2013 · median 2017 among the 3,425 with a school on file
  • Record last updated2024 · 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.

The 8 nurse practitioner records with the nearest ZIP codes

  1. James Astrero, NPLong Beach, CA 908031760345979
  2. Devon McIntosh, NPLong Beach, CA 908031790204758
  3. Yasmine Monica Cuasay, NPLong Beach, CA 908021528652799
  4. Shahrzad DaghighiLong Beach, CA 908021639977937
  5. Tyler Grayson, NPLong Beach, CA 908041023901840
  6. Tyeshia Jones, NP-C, RNFALong Beach, CA 908041104276419
  7. Linda Nyagaya, DNP, FNP/AG-BCLong Beach, CA 908021235612193
  8. Elizabeth Prybyla, NPLong Beach, CA 908021447074695

Common questions

What is Karen Jeanine Davis, FNP-C's NPI number?

Karen Jeanine Davis, FNP-C's National Provider Identifier (NPI) is 1427391820, issued on Apr 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Karen Jeanine Davis, FNP-C located?

The NPPES record lists a practice address at 5603 E 2ND St, Long Beach, CA, 90803. Phone: (562) 243-6548. Providers update this record themselves, so call before visiting.

How can I verify Karen Jeanine Davis, FNP-C's license?

NPPES lists California license number 23618, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Jeanine Davis, FNP-C prescribe under Medicare Part D?

In 2024, Karen Jeanine Davis, FNP-C had 216 Medicare Part D claims for 176 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.