NPPES file of Aug 9, 2026

Alexandra Nicole Rees, PA-C

Physician Assistant · Colton, CA

Alexandra Nicole Rees, PA-C is a physician assistant with a practice address in Colton, California, and NPI 1700316221, issued on Jun 18, 2017. Check the license (California 54867, 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
1700316221
Name
Alexandra Nicole Rees
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
54867 CA
Self-reported in NPPES; status is on the state search
Practice location
400 N Pepper Ave Ste 107, Colton, CA 92324
Phone
(909) 580-1000
Enumerated
Jun 18, 2017
Record last updated
Apr 20, 2022
Medicare enrollment
Enrolled (PECOS I20171024003516); 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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Also registered at 400 N Pepper Ave Ste 107

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

  1. Daniel Dubrow, PA-CPhysician Assistant1851940423
  2. Brian Edison, P.A.Physician Assistant1245600568
  3. Richard Grandquist, PA-CMedical Physician Assistant1578962049
  4. Christine LePhysician Assistant1619544046
  5. Maria Mejia, PAPhysician Assistant1215307640
  6. Chloe PappasPhysician Assistant1447725114

Verify Alexandra Nicole Rees 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 54867
    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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70% fewer Medicare Part D claims than the average physician assistant in 2024

250 Medicare Part D claims for 199 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Alexandra Rees250
  2. Specialty average830

Most prescribed

  1. Cephalexin23 claims
  2. Ipratropium Bromide20 claims
  3. Doxycycline Hyclate19 claims
  4. Amoxicillin-Clavulanate Potass18 claims
  5. Nitrofurantoin Mono-Macro17 claims
  6. Amoxicillin14 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 one group practice

  1. Mountain View Urgent Care Group IncEastvale, CA

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

Alexandra Nicole Rees among 14,451 physician assistant records in California

Alexandra Nicole Rees, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.

  • NPI issued2017 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2017 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

162 physician assistant records list a practice address in Colton

They are 162 of the 2,459 NPPES records with a practice address in Colton, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Christine Bernier, P.A-CColton, CA 923241366482259
  2. Melissa Cornett, P.A-CColton, CA 923241154361905
  3. Maximillian Cruz, P.A-CColton, CA 923241538102751
  4. Joseph Florin, P.A-CColton, CA 923241427073162
  5. Lawrence Gates, P.A-CColton, CA 923241023059318
  6. Kristine Griffith, P.A-CColton, CA 923241174566707
  7. Anna Marie Lubatti, P.A-CColton, CA 923241598708661
  8. Thomas Manning, P.A-CColton, CA 923241538102009

Common questions

What is Alexandra Nicole Rees, PA-C's NPI number?

Alexandra Nicole Rees, PA-C's National Provider Identifier (NPI) is 1700316221, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Nicole Rees, PA-C located?

The NPPES record lists a practice address at 400 N Pepper Ave Ste 107, Colton, CA, 92324. Phone: (909) 580-1000. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Nicole Rees, PA-C's license?

NPPES lists California license number 54867, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Alexandra Nicole Rees, PA-C prescribe under Medicare Part D?

In 2024, Alexandra Nicole Rees, PA-C had 250 Medicare Part D claims for 199 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Alexandra Nicole Rees, PA-C'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.