Registry data as of Aug 27, 2026

Holly Middlekauff, MD

Cardiovascular Disease Physician · Los Angeles, CA

Holly Middlekauff, MD is a cardiovascular disease physician with a practice address in Los Angeles, California, and NPI 1659390581, issued on Jul 19, 2006. Check the license (California G62457, as entered in NPPES) 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
1659390581
Name
Holly Middlekauff
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G62457 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plaza, Los Angeles, CA 90095
Phone
(310) 206-6672
Enumerated
Jul 19, 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 200 Medical Plaza

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

  1. Anita Agzarian, MDInternal Medicine Physician1144254590
  2. Sheila Ahmadi, MDEndocrinology, Diabetes & Metabolism Physician1194800094
  3. Marine Altunyan, PHARMDAmbulatory Care Pharmacist1578300083
  4. Gayane Ambartsumyan, MDObstetrics & Gynecology Physician1174556849
  5. Parviz Amid, M.D.Surgery Physician1073633459
  6. Adrienne Bawa, REGISTERED NURSECase Management Registered Nurse1497355366

Verify Holly Middlekauff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G62457
    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
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 →

30% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,193 Medicare Part D claims for 263 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Holly Middlekauff2,193
  2. Specialty average3,149

Most prescribed

  1. Atorvastatin Calcium275 claims
  2. Amlodipine Besylate168 claims
  3. Ezetimibe145 claims
  4. Metoprolol Succinate132 claims
  5. Losartan Potassium129 claims
  6. Eliquis122 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 Medicare quality score for 2023: 86.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score95.7
  2. Costout of 100 · 30%81.6
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

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

One hospital or facility affiliation

  1. The Regents OF The University OF CaliforniaLos Angeles, 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.

Cardiovascular Disease Physician providers in California

There are 2,322 cardiovascular disease physician records in California.

Other cardiovascular disease physician records in California

  1. Abdul Abbasi, MDLong Beach, CA1710071717
  2. Lillian Abdelmalek, MDSacramento, CA1881343796
  3. Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
  4. Roberto Abdelnur, MDEl Centro, CA1982648606
  5. Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
  6. Nadia Abelhad, M.D.Chula Vista, CA1619400801
  7. Mohammad Abid, MD FACCIndio, CA1699857706
  8. Georges Abou Rjaili, MDRiverside, CA1073896544
  9. Maria Abraham, M.D.San Francisco, CA1669436960
  10. Theodore Abraham, M.D.San Francisco, CA1467427096

Common questions

What is Holly Middlekauff, MD's NPI number?

Holly Middlekauff, MD's National Provider Identifier (NPI) is 1659390581, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Holly Middlekauff, MD located?

The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 206-6672. Providers update this record themselves, so call before visiting.

How can I verify Holly Middlekauff, MD's license?

NPPES lists California license number G62457, as entered by the provider. 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 Holly Middlekauff, MD prescribe under Medicare Part D?

In 2024, Holly Middlekauff, MD had 2,193 Medicare Part D claims for 263 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.

What is Holly Middlekauff, MD's Medicare quality score?

The 2023 MIPS final score is 86.7 of 100. 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.