NPPES file of Aug 9, 2026

Roger C. Sohn, MD

Orthopaedic Surgery Physician · San Juan Capistrano, CA

Roger C. Sohn, MD is an orthopaedic surgery physician with a practice address in San Juan Capistrano, California, and NPI 1588600555, issued on Jun 20, 2006. Check the license (California A83858, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588600555
Name
Roger C. Sohn
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A83858 CA
Self-reported in NPPES; status is on the state search
Practice location
31920 Del Obispo St Ste 170, San Juan Capistrano, CA 92675
Phone
(949) 691-3131
Enumerated
Jun 20, 2006
Record last updated
Mar 7, 2025
Fax
(949) 940-8311
Medicare enrollment
Enrolled (PECOS I20080612000563); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
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 31920 Del Obispo St Ste 170

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

  1. Theresa HoPhysician Assistant1679162812

Verify Roger C. Sohn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A83858
    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

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65% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

122 Medicare Part D claims for 59 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Roger Sohn122
  2. Specialty average346

Most prescribed

  1. Meloxicam40 claims
  2. Tramadol Hcl12 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 MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score77.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $355.61

12 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.

  1. Roger Sohn$356
  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. Roger C Sohn MD IncSan Juan Capistrano, CA

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

Roger C. Sohn among 2,276 orthopaedic surgery physician records in California

Roger C. Sohn, MD 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
  • Graduated2001 · median 2003 among the 1,347 with a school on file
  • Record last updated2025 · 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. Gonzalo Covarrubias, M.D.San Juan Capistrano, CA 926751962572586
  2. Edward Bestard, M.D., F.A.C.S.San Clemente, CA 926731396857769
  3. Adam Franklin, M.D.San Clemente, CA 926731508084120
  4. Raymond Imatani, MDSan Clemente, CA 926731780659557
  5. Louis Kang, M.D.Laguna Niguel, CA 926771770808701
  6. Vu Le, MDNewport Beach, CA 926631023274180
  7. Mark Newman, M.D.Newport Beach, CA 926631689710360
  8. Kasra Rowshan, MDNewport Beach, CA 926631942463112

Common questions

What is Roger C. Sohn, MD's NPI number?

Roger C. Sohn, MD's National Provider Identifier (NPI) is 1588600555, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roger C. Sohn, MD located?

The NPPES record lists a practice address at 31920 Del Obispo St Ste 170, San Juan Capistrano, CA, 92675. Phone: (949) 691-3131. Providers update this record themselves, so call before visiting.

How can I verify Roger C. Sohn, MD's license?

NPPES lists California license number A83858, 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 Roger C. Sohn, MD prescribe under Medicare Part D?

In 2024, Roger C. Sohn, MD had 122 Medicare Part D claims for 59 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Roger C. Sohn, MD's MIPS final score?

The 2023 MIPS final score is 85.2 of 100. 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.