NPPES file of Aug 9, 2026

Kelsie Mothersead

Surgical Physician Assistant · Newport Beach, CA

Kelsie Mothersead is a surgical physician assistant with a practice address in Newport Beach, California, and NPI 1508555210, issued on May 8, 2023. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508555210
Name
Kelsie Mothersead
Primary taxonomy
Surgical Physician Assistant 363AS0400X
Practice location
22 Corporate Plaza Dr, Newport Beach, CA 92660
Phone
(949) 722-7038
Enumerated
May 8, 2023
Record last updated
Jun 26, 2026
Fax
(949) 630-4900
Medicare enrollment
Enrolled (PECOS I20230918004137); 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.
Download card Updates feed

Also registered at 22 Corporate Plaza Dr

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

  1. Zachary Adler, MDOrthopaedic Surgery Physician1396884391
  2. Joyce Anderson, R.N.F.A.Registered Nurse First Assistant1952630006
  3. Justin Anderson, PA-CSurgical Physician Assistant1487924007
  4. Nicholas Bacher, MDPain Medicine (Anesthesiology) Physician1972130771
  5. Dennis Bansil, PA-CPhysician Assistant1740629047
  6. Lindsay Baumhefner, PA-CMedical Physician Assistant1043398977

Verify Kelsie Mothersead in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

78% fewer Medicare Part D claims than the average surgical physician assistant in 2024

66 Medicare Part D claims for 33 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 28 claims were for opioids.

  1. Kelsie Mothersead66
  2. Specialty average304

Most prescribed

  1. Diazepam23 claims
  2. Oxycodone-Acetaminophen17 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.

Industry payments in 2024: $15.77

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kelsie Mothersead$15.77
  2. Specialty average$703.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lakeshore Bone And Joint Institute II, LLCChesterton, IN

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

Kelsie Mothersead among 1,075 surgical physician assistant records in California

Kelsie Mothersead is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2023 · median 2012 among the 649 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Justin Anderson, PA-CNewport Beach, CA 926601487924007
  2. Raymond Contino, PA-CNewport Beach, CA 926601831441260
  3. Jennifer Coy, PA-CNewport Beach, CA 926601942356035
  4. Eric Glassman, PA-CNewport Beach, CA 926601447287206
  5. Stacey McIlroy, P.A.-C.Newport Beach, CA 926601639155740
  6. Ando Muneno, PA-CNewport Beach, CA 926601164977005
  7. Cecil Reyes, PA-CNewport Beach, CA 926601720288434
  8. Lester Robertson, P.A.- CNewport Beach, CA 926601386033017

Common questions

What is Kelsie Mothersead's NPI number?

Kelsie Mothersead's National Provider Identifier (NPI) is 1508555210, issued on May 8, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kelsie Mothersead located?

The NPPES record lists a practice address at 22 Corporate Plaza Dr, Newport Beach, CA, 92660. Phone: (949) 722-7038. Providers update this record themselves, so call before visiting.

How can I verify Kelsie Mothersead's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kelsie Mothersead prescribe under Medicare Part D?

In 2024, Kelsie Mothersead had 66 Medicare Part D claims for 33 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

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.