Registry data as of Aug 27, 2026

Kareem Yostos, DO

Internal Medicine Physician · Lompoc, CA

Kareem Yostos, DO is an internal medicine physician with a practice address in Lompoc, California, and NPI 1568475077, issued on Aug 14, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1568475077
Name
Kareem Yostos
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1515 E Ocean Ave, Lompoc, CA 93436
Phone
(804) 320-3911
Enumerated
Aug 14, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1515 E Ocean Ave

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

  1. Logan Abney, PHARMDPharmacist1326628090
  2. Motoko Abraham, DOEmergency Medicine Physician1033180898
  3. Ashley AguilarRegistered Nurse1245156710
  4. Winnie Badger, PHYSICAL THERAPISTPhysical Therapist1720621485
  5. David Barsky, PHYSICIAN ASSISTANTPhysician Assistant1831236520
  6. Natalie Brown, CRNACertified Registered Nurse Anesthetist1902342785

Verify Kareem Yostos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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
Open 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

89% fewer Medicare Part D claims than the average internal medicine physician in 2024

299 Medicare Part D claims for 115 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Kareem Yostos299
  2. Specialty average2,785

Most prescribed

  1. Pantoprazole Sodium30 claims
  2. Amoxicillin-Clavulanate Potass28 claims
  3. Cephalexin18 claims
  4. Prednisone17 claims
  5. Eliquis14 claims
  6. Atorvastatin Calcium13 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 Medicare quality score for 2023: 90.1 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 score64.1
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  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).

One hospital or facility affiliation

  1. Lompoc Hospitalist Group PCLompoc, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

13 internal medicine physician records list a Lompoc practice address

They are 13 of the 795 NPPES records with a Lompoc practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Kareem Yostos, DO's NPI number?

Kareem Yostos, DO's National Provider Identifier (NPI) is 1568475077, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kareem Yostos, DO located?

The NPPES record lists a practice address at 1515 E Ocean Ave, Lompoc, CA, 93436. Phone: (804) 320-3911. Providers update this record themselves, so call before visiting.

How can I verify Kareem Yostos, DO's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kareem Yostos, DO prescribe under Medicare Part D?

In 2024, Kareem Yostos, DO had 299 Medicare Part D claims for 115 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Kareem Yostos, DO's Medicare quality score?

The 2023 MIPS final score is 90.1 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.