NPPES file of Aug 9, 2026

Casey William Buitenhuys, MD

Pediatric Emergency Medicine (Emergency Medicine) Physician · Escondido, CA

Casey William Buitenhuys, MD is a pediatric emergency medicine (emergency medicine) physician with a practice address in Escondido, California, and NPI 1578761409, issued on Jul 3, 2007. Check the license (California A101203, as entered in NPPES) on the Medical Board of California; 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
1578761409
Name
Casey William Buitenhuys
Credential
MD
Primary taxonomy
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
License number
A101203 CA
Self-reported in NPPES; status is on the state search
Practice location
2185 Citracado Pkwy, Escondido, CA 92029
Phone
(442) 281-5000
Enumerated
Jul 3, 2007
Record last updated
Jul 9, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100125000663); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2006
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 2185 Citracado Pkwy

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

  1. Khaldoun Abouelhosn, M.DInternal Medicine Physician1336310093
  2. Sam Adllirad, DOInternal Medicine Physician1770287583
  3. Sandy Akrawe, M.D.Internal Medicine Physician1679927578
  4. Rami Alassaad, M.DHospitalist Physician1235449265
  5. Amir Asgari, M.D.Internal Medicine Physician1730484981
  6. Sarin Atam, MDInternal Medicine Physician1194394494

Verify Casey William Buitenhuys in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A101203
    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

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4.2 times the Medicare Part D claims of the average pediatric emergency medicine (emergency medicine) physician in 2024

374 Medicare Part D claims for 261 beneficiaries, against an average of 89 among the 103 providers of this specialty who prescribed in Part D. 61 claims were for opioids.

  1. Casey Buitenhuys374
  2. Specialty average89

Most prescribed

  1. Hydrocodone-Acetaminophen58 claims
  2. Cephalexin33 claims
  3. Albuterol Sulfate Hfa30 claims
  4. Prednisone17 claims
  5. Ciprofloxacin Hcl15 claims
  6. Meclizine Hcl14 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  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 2 group practices

  1. Cep America - CaliforniaMoreno Valley, CA
  2. Elevate Emergency MedicineBig Bear Lake, CA

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

Pediatric Emergency Medicine (Emergency Medicine) Physician providers in California

There are 78 pediatric emergency medicine (emergency medicine) physician records in California.

Other pediatric emergency medicine (emergency medicine) physician records in California

  1. Carla Maria Alcid, MDOrange, CA1942285507
  2. Hrach ArutyunyanGlendale, CA1871971994
  3. Peter Baker, MDOakland, CA1801967450
  4. Kayla Barnes, M.D.Madera, CA1144617879
  5. Michael Bedgood, M.D.Los Angeles, CA1255862371
  6. Michael Bell, MDOakland, CA1891865689
  7. Carol Berkowitz, M.D.Torrance, CA1144209693
  8. Kelsie Bond, MDTorrance, CA1619467339
  9. Brittany Boswell, MDStanford, CA1083033575
  10. Kevin Buckley, MDSan Diego, CA1568566008

Common questions

What is Casey William Buitenhuys, MD's NPI number?

Casey William Buitenhuys, MD's National Provider Identifier (NPI) is 1578761409, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Casey William Buitenhuys, MD located?

The NPPES record lists a practice address at 2185 Citracado Pkwy, Escondido, CA, 92029. Phone: (442) 281-5000. Providers update this record themselves, so call before visiting.

How can I verify Casey William Buitenhuys, MD's license?

NPPES lists California license number A101203, 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 Casey William Buitenhuys, MD prescribe under Medicare Part D?

In 2024, Casey William Buitenhuys, MD had 374 Medicare Part D claims for 261 beneficiaries; the average among pediatric emergency medicine (emergency medicine) physician prescribers was 89. Part D covers Medicare prescriptions only.

What is Casey William Buitenhuys, MD's MIPS final score?

The 2023 MIPS final score is 94.6 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.