NPPES file of Aug 9, 2026

Stewart Lloyd Shanfield, M.D.

Orthopaedic Surgery Physician · Fullerton, CA

Stewart Lloyd Shanfield, M.D. is an orthopaedic surgery physician with a practice address in Fullerton, California, and NPI 1346286580, issued on Jun 22, 2006. Check the license (California G45883, as entered in NPPES) on the Medical Board of California; 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
1346286580
Name
Stewart Lloyd Shanfield
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G45883 CA
Self-reported in NPPES; status is on the state search
Practice location
2141 N Harbor Blvd, Fullerton, CA 92835
Phone
(714) 626-8630
Enumerated
Jun 22, 2006
Record last updated
Oct 23, 2024
Fax
(714) 626-8659
Medicare enrollment
Enrolled (PECOS I20100719000568); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1980
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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Also registered at 2141 N Harbor Blvd

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

  1. Donald BittnerOrthopaedic Hand Surgery Physician1538169578
  2. Bradley Borsari, MDInternal Medicine Physician1104826619
  3. Alison Brown, N.P.Family Nurse Practitioner1396093738
  4. Ruben Cabral, MDInternal Medicine Physician1568458008
  5. Carl Chen, M.D.Orthopaedic Hand Surgery Physician1235114950
  6. Theodoros Daskalakis, MDSurgery Physician1467409250

Verify Stewart Lloyd Shanfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45883
    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
Open 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.

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54% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

158 Medicare Part D claims for 86 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 16 claims were for opioids.

  1. Stewart Shanfield158
  2. Specialty average346

Most prescribed

  1. Methylprednisolone60 claims
  2. Meloxicam29 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: $599.66

5 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, 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.

  1. Stewart Shanfield$600
  2. Specialty average$23,023

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. Providence Medical FoundationFullerton, CA

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

Stewart Lloyd Shanfield among 2,276 orthopaedic surgery physician records in California

Stewart Lloyd Shanfield, M.D. 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1980 · 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.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Karen Evensen, MDFullerton, CA 928351750452652
  2. Andrew Karich, MDFullerton, CA 928351508866575
  3. Kiarash Khajavi, M.D.Fullerton, CA 928351265518443
  4. Shahram Solhpour, MDFullerton, CA 928351548268287
  5. Mikel Whiting, MDFullerton, CA 928351275576795
  6. Paul Kirz, M.D.Fullerton, CA 928331336418011
  7. David Downs, MDFullerton, CA 928311023101375
  8. Joseph Laughlin, MDFullerton, CA 928311619080587

Common questions

What is Stewart Lloyd Shanfield, M.D.'s NPI number?

Stewart Lloyd Shanfield, M.D.'s National Provider Identifier (NPI) is 1346286580, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stewart Lloyd Shanfield, M.D. located?

The NPPES record lists a practice address at 2141 N Harbor Blvd, Fullerton, CA, 92835. Phone: (714) 626-8630. Providers update this record themselves, so call before visiting.

How can I verify Stewart Lloyd Shanfield, M.D.'s license?

NPPES lists California license number G45883, 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 Stewart Lloyd Shanfield, M.D. prescribe under Medicare Part D?

In 2024, Stewart Lloyd Shanfield, M.D. had 158 Medicare Part D claims for 86 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.