James Thomas Layson, DO
Orthopaedic Surgery Physician · Oceanside, CA
James Thomas Layson, DO is an orthopaedic surgery physician with a practice address in Oceanside, California, and NPI 1508355983, issued on May 1, 2018. Check the license (California 23069, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Thomas Layson
- Credential
- DO
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 23069 CA
323012-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3905 Waring RD, Oceanside, CA 92056
- Phone
- (760) 724-9000
- Enumerated
- May 1, 2018
- Record last updated
- Aug 15, 2024
- Fax
- (760) 724-3686
- Medicare enrollment
- Enrolled (PECOS I20240829000002); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 3905 Waring RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bayan Aghdasi, M.D.Orthopaedic Surgery of the Spine Physician1225476500
- Neville Alleyne, M.D.Orthopaedic Surgery of the Spine Physician1346200425
- David Amory, M.D.Orthopaedic Surgery Physician1659358786
- Rachel Anderson, RN, MSN, FNPFamily Nurse Practitioner1235435587
- Leslie Bishop, NPNurse Practitioner1669941878
- Brian Bobick, D.P.M.Foot & Ankle Surgery Podiatrist1639156771
Verify James Thomas Layson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 23069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
80 Medicare Part D claims for 48 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.
Most prescribed
- Meloxicam62 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: $6,160.56
57 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Tri-City Orthopaedic Surgery Medical Group Inc.Oceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Thomas Layson among 2,276 orthopaedic surgery physician records in California
James Thomas Layson, DO is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · median 2003 among the 1,347 with a school on file
- Record last updated2024 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Oceanside → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- David Amory, M.D.Oceanside, CA 920561659358786
- Andrew Cooperman, MDOceanside, CA 920561245345636
- James Esch, M.D.Oceanside, CA 920561770542490
- James Helgager, MDOceanside, CA 920561316907413
- Richard Muir, M.D.Oceanside, CA 920561376503433
- Christopher Cochran, MDCamp Pendleton, CA 920551366781585
- Andrew Ernst, M.D.Camp Pendleton, CA 920551720449820
- Wayne Inman, M.D.Camp Pendleton, CA 920551013917038
Common questions
What is James Thomas Layson, DO's NPI number?
James Thomas Layson, DO's National Provider Identifier (NPI) is 1508355983, issued on May 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is James Thomas Layson, DO located?
The NPPES record lists a practice address at 3905 Waring RD, Oceanside, CA, 92056. Phone: (760) 724-9000. Providers update this record themselves, so call before visiting.
How can I verify James Thomas Layson, DO's license?
NPPES lists California license number 23069, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Thomas Layson, DO prescribe under Medicare Part D?
In 2024, James Thomas Layson, DO had 80 Medicare Part D claims for 48 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.