NPPES file of Aug 9, 2026

Kelsey Marie Barclay, PA-C

Physician Assistant · Redwood City, CA

Kelsey Marie Barclay, PA-C is a physician assistant with a practice address in Redwood City, California, and NPI 1215455795, issued on Sep 5, 2017. Check the license (California 54885, 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
1215455795
Name
Kelsey Marie Barclay
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
54885 CA
021359 NY
Self-reported in NPPES; status is on the state search
Practice location
450 Broadway St # A, Redwood City, CA 94063
Phone
(650) 723-5643
Enumerated
Sep 5, 2017
Record last updated
Oct 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191202001960); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Kelsey Marie Barclay 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 54885
    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
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90% fewer Medicare Part D claims than the average physician assistant in 2024

81 Medicare Part D claims for 53 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 30 claims were for opioids.

  1. Kelsey Barclay81
  2. Specialty average830

Most prescribed

  1. Oxycodone Hcl24 claims
  2. Cefuroxime16 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): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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. East Post Road Medical Services PCWhite Plains, NY

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

38 physician assistant records list a practice address in Redwood City

They are 38 of the 2,795 NPPES records with a practice address in Redwood City, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Kelsey Marie Barclay, PA-C's NPI number?

Kelsey Marie Barclay, PA-C's National Provider Identifier (NPI) is 1215455795, issued on Sep 5, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kelsey Marie Barclay, PA-C located?

The NPPES record lists a practice address at 450 Broadway St # A, Redwood City, CA, 94063. Phone: (650) 723-5643. Providers update this record themselves, so call before visiting.

How can I verify Kelsey Marie Barclay, PA-C's license?

NPPES lists California license number 54885, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kelsey Marie Barclay, PA-C prescribe under Medicare Part D?

In 2024, Kelsey Marie Barclay, PA-C had 81 Medicare Part D claims for 53 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Kelsey Marie Barclay, PA-C's MIPS final score?

The 2023 MIPS final score is 100 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.