NPPES file of Aug 9, 2026

Chelsea Zysek, MS, PA-C

Surgical Physician Assistant · Newport Beach, CA

Chelsea Zysek, MS, PA-C is a surgical physician assistant with a practice address in Newport Beach, California, and NPI 1255850871, issued on Sep 14, 2017. 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
1255850871
Name
Chelsea Zysek
Credential
MS, PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
Practice location
3701 Birch St Ste 200, Newport Beach, CA 92660
Phone
(860) 944-9230
Enumerated
Sep 14, 2017
Record last updated
Sep 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(860) 944-9230
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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8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →

Also registered at 3701 Birch St Ste 200

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

  1. Caroll-Ann Rosenberg, R.D.Metabolic Nutrition Registered Dietitian1811326374

Verify Chelsea Zysek 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

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55% fewer Medicare Part D claims than the average surgical physician assistant in 2024

136 Medicare Part D claims for 17 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Chelsea Zysek136
  2. Specialty average304

Most prescribed

  1. Gabapentin22 claims
  2. Celecoxib13 claims
  3. Ondansetron Odt12 claims
  4. Oxycodone Hcl12 claims
  5. Scopolamine12 claims
  6. Cephalexin11 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.

Chelsea Zysek among 1,075 surgical physician assistant records in California

Chelsea Zysek, MS, PA-C 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 2017, is newer than 73% of them.

  • NPI issued2017 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2017 · 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.

All 1,075 in California → Every provider in Newport Beach → Surgical Physician Assistant nationwide →

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. Kelsie MotherseadNewport Beach, CA 926601508555210
  7. Ando Muneno, PA-CNewport Beach, CA 926601164977005
  8. Cecil Reyes, PA-CNewport Beach, CA 926601720288434

Common questions

What is Chelsea Zysek, MS, PA-C's NPI number?

Chelsea Zysek, MS, PA-C's National Provider Identifier (NPI) is 1255850871, issued on Sep 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Zysek, MS, PA-C located?

The NPPES record lists a practice address at 3701 Birch St Ste 200, Newport Beach, CA, 92660. Phone: (860) 944-9230. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Zysek, MS, PA-C's license?

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

How much does Chelsea Zysek, MS, PA-C prescribe under Medicare Part D?

In 2024, Chelsea Zysek, MS, PA-C had 136 Medicare Part D claims for 17 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.