NPPES file of Aug 9, 2026

Viki Jo Leefers, ARNP-BC

Adult Health Nurse Practitioner · Chula Vista, CA

Viki Jo Leefers, ARNP-BC is an adult health nurse practitioner with a practice address in Chula Vista, California, and NPI 1891904892, issued on May 22, 2007. Check the license (California 21490, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891904892
Name
Viki Jo Leefers
Credential
ARNP-BC
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
21490 CA
AP30006086 WA
Self-reported in NPPES; status is on the state search
Practice location
525 3RD Ave, Chula Vista, CA 91910
Phone
(619) 585-4397
Enumerated
May 22, 2007
Record last updated
Apr 19, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(619) 585-4005
Medicare enrollment
Enrolled (PECOS I20150611003311); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2001
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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Also registered at 525 3RD Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Anderson, M.D.Rheumatology Physician1740298074
  2. Richard Campbell, M.D.Family Medicine Physician1497764393
  3. Michael Chambers, M.D.Internal Medicine Physician1740298843
  4. George Colson, M.D.Occupational Medicine Physician1023028503
  5. Arthur Corpus, P.A.Physician Assistant1366451627
  6. Moreno David, P.A.Physician Assistant1588673842

Verify Viki Jo Leefers 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 21490
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

114 Medicare Part D claims for 92 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Viki Leefers114
  2. Specialty average1,280

Most prescribed

  1. Cephalexin24 claims
  2. Doxycycline Monohydrate13 claims
  3. Prednisone11 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): 73.6 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.

  1. Qualityout of 100 · 30% of the final score74.6
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Sharp Rees-Stealy Medical Group IncChula Vista, CA

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

Viki Jo Leefers among 1,405 adult health nurse practitioner records in California

Viki Jo Leefers, ARNP-BC is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 70% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated2001 · median 2013 among the 441 with a school on file
  • Record last updated2017 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Kimberly Johnson, NPChula Vista, CA 919101477024370
  2. Reina Renio, AGNP-CChula Vista, CA 919101821933714
  3. Rachel Hyden, MS,AGPCNP-BC,CNSChula Vista, CA 919111275874828
  4. Christina Lumpkin, AGNPChula Vista, CA 919111578957122
  5. Melissa Brito, NURSE PRACTITIONERChula Vista, CA 919141730580853
  6. Serena Arts, NPLa Mesa, CA 919421801881552
  7. Chelsea Brauns, NP-CLa Mesa, CA 919421205333010
  8. Matilde Carrasco Thomas, ANPLa Mesa, CA 919421396665592

Common questions

What is Viki Jo Leefers, ARNP-BC's NPI number?

Viki Jo Leefers, ARNP-BC's National Provider Identifier (NPI) is 1891904892, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Viki Jo Leefers, ARNP-BC located?

The NPPES record lists a practice address at 525 3RD Ave, Chula Vista, CA, 91910. Phone: (619) 585-4397. Providers update this record themselves, so call before visiting.

How can I verify Viki Jo Leefers, ARNP-BC's license?

NPPES lists California license number 21490, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Viki Jo Leefers, ARNP-BC prescribe under Medicare Part D?

In 2024, Viki Jo Leefers, ARNP-BC had 114 Medicare Part D claims for 92 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Viki Jo Leefers, ARNP-BC's MIPS final score?

The 2023 MIPS final score is 73.6 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.