NPPES file of Aug 9, 2026

Gregory J. Sviland, MD

Emergency Medicine Physician · Anaheim, CA

Gregory J. Sviland, MD is an emergency medicine physician with a practice address in Anaheim, California, and NPI 1265488373, issued on May 26, 2006. Check the license (California G75354, 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
1265488373
Name
Gregory J. Sviland
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G75354 CA
Self-reported in NPPES; status is on the state search
Practice location
1111 W LA Palma Ave, Anaheim, CA 92801
Phone
(714) 774-1450
Enumerated
May 26, 2006
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G753540 CA
Medicare enrollment
Enrolled (PECOS I20040819000691); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1991
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 1111 W LA Palma Ave

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

  1. Ruke Achoja, MDAnesthesiology Physician1700143914
  2. Katherine Atienza, RNGastroenterology Registered Nurse1386500221
  3. Sheryn Atkinson, RNCommunity Health Registered Nurse1285252387
  4. Lupita Cervantes RoblesClinical Social Worker1982482717
  5. Bharat Chauhan, M.D.Infectious Disease Physician1730243759
  6. Tara Chiazza, LCSWSocial Worker1306056353

Verify Gregory J. Sviland in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G75354
    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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42% more Medicare Part D claims than the average emergency medicine physician in 2024

320 Medicare Part D claims for 214 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 38 claims were for opioids.

  1. Gregory Sviland320
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt32 claims
  2. Prednisone23 claims
  3. Amoxicillin-Clavulanate Potass18 claims
  4. Ibuprofen17 claims
  5. Cefadroxil16 claims
  6. Hydrocodone-Acetaminophen16 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncModesto, CA

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

Gregory J. Sviland among 7,751 emergency medicine physician records in California

Gregory J. Sviland, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1991 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Allen Chiou, M.D.Anaheim, CA 928011407291354
  2. Jai Ho, MDAnaheim, CA 928011396788345
  3. Christopher Lai, M.DAnaheim, CA 928011487670907
  4. Isai Lopez, MDAnaheim, CA 928011902486673
  5. Richard Oxman, M.D.Anaheim, CA 928011487704789
  6. Samuel Saelee, MDAnaheim, CA 928011881634129
  7. Susan Socha, DOAnaheim, CA 928011962458067
  8. Vijay Wali, MDAnaheim, CA 928011215970389

Common questions

What is Gregory J. Sviland, MD's NPI number?

Gregory J. Sviland, MD's National Provider Identifier (NPI) is 1265488373, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory J. Sviland, MD located?

The NPPES record lists a practice address at 1111 W LA Palma Ave, Anaheim, CA, 92801. Phone: (714) 774-1450. Providers update this record themselves, so call before visiting.

How can I verify Gregory J. Sviland, MD's license?

NPPES lists California license number G75354, 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 Gregory J. Sviland, MD prescribe under Medicare Part D?

In 2024, Gregory J. Sviland, MD had 320 Medicare Part D claims for 214 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.