Michelle Katherine Stone, PA-C
Surgical Physician Assistant · Newport Beach, CA
Michelle Katherine Stone, PA-C is a surgical physician assistant with a practice address in Newport Beach, California, and NPI 1376771311, issued on Jun 29, 2009. Check the license (California PA19027, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle Katherine Stone
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA19027 CA
Self-reported in NPPES; status is on the state search - Practice location
- 351 Hospital RD, Newport Beach, CA 92663
- Phone
- (949) 642-1361
- Enumerated
- Jun 29, 2009
- Record last updated
- Jul 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (949) 642-1394
- Medicare enrollment
- Enrolled (PECOS I20100929000518); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 351 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Abaid, M.D., M.P.H.Gynecologic Oncology Physician1295943132
- Richard Agnew, MD OB GYNObstetrics & Gynecology Physician1629089206
- Maryam Alamoutinia, N.P.Obstetrics & Gynecology Nurse Practitioner1194068304
- Lisa Bailer, P.A.Physician Assistant1659485886
- Martin Bailey, M.D.Plastic Surgery Physician1124062294
- John Brown, M.D.Gynecologic Oncology Physician1659313633
Verify Michelle Katherine Stone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average surgical physician assistant in 2024
152 Medicare Part D claims for 103 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 61 claims were for opioids.
Most prescribed
- Tramadol Hcl40 claims
- Estradiol13 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): 84.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $277.63
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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.
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
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Katherine Stone among 1,075 surgical physician assistant records in California
Michelle Katherine Stone, 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 2009, is newer than 45% of them.
- NPI issued2009 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2012 among the 649 with a school on file
- Record last updated2013 · 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
- Amber Chapman, PANewport Beach, CA 926631912167685
- Zackry Ellis, PA-CNewport Beach, CA 926631366536278
- Elaine Navani, PANewport Beach, CA 926631699051755
- Jocelyn Nguyen, PA-CNewport Beach, CA 926631548736903
- Sandra Ovadia, PA-CNewport Beach, CA 926631295057735
- Salpi Salibian, PA-CNewport Beach, CA 926631548471626
- Shari Sharp, P.A.Newport Beach, CA 926631285664458
- Hitomi Sugimoto, PA-CNewport Beach, CA 926631437875259
Common questions
What is Michelle Katherine Stone, PA-C's NPI number?
Michelle Katherine Stone, PA-C's National Provider Identifier (NPI) is 1376771311, issued on Jun 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Katherine Stone, PA-C located?
The NPPES record lists a practice address at 351 Hospital RD, Newport Beach, CA, 92663. Phone: (949) 642-1361. Providers update this record themselves, so call before visiting.
How can I verify Michelle Katherine Stone, PA-C's license?
NPPES lists California license number PA19027, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle Katherine Stone, PA-C prescribe under Medicare Part D?
In 2024, Michelle Katherine Stone, PA-C had 152 Medicare Part D claims for 103 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Michelle Katherine Stone, PA-C's MIPS final score?
The 2023 MIPS final score is 84.4 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.