NPPES file of Aug 9, 2026

Ryan Stuart Smith, DO

Emergency Medicine Physician · Oceanside, CA

Ryan Stuart Smith, DO is an emergency medicine physician with a practice address in Oceanside, California, and NPI 1861401002, issued on Aug 5, 2006. Check the license (California 20A8897, 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
1861401002
Name
Ryan Stuart Smith
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A8897 CA
Self-reported in NPPES; status is on the state search
Practice location
4002 Vista Way, Oceanside, CA 92056
Phone
(760) 439-1963
Enumerated
Aug 5, 2006
Record last updated
Jan 10, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(760) 268-0931
Medicare enrollment
Enrolled (PECOS I20060206000453); accepts Medicare assignment
Medical or professional school
Washington College Of Physicians And Surgeons, 2003
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 4002 Vista Way

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

  1. Michael Alaynick, M.D.Emergency Medicine Physician1073507174
  2. Matthew Allen, PA-CMedical Physician Assistant1770963589
  3. David Antoun, MDInternal Medicine Physician1043573785
  4. Hermineh AraminCytopathology Physician1821451444
  5. Allison Auchter, MD, PHDEmergency Medical Services (Emergency Medicine) Physician1013595248
  6. Romana Bailey, M.D.Neonatal-Perinatal Medicine Physician1396023685

Verify Ryan Stuart Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8897
    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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4% fewer Medicare Part D claims than the average emergency medicine physician in 2024

217 Medicare Part D claims for 177 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 15 claims were for opioids.

  1. Ryan Smith217
  2. Specialty average226

Most prescribed

  1. Cephalexin37 claims
  2. Doxycycline Hyclate21 claims
  3. Methylprednisolone18 claims
  4. Hydrocodone-Acetaminophen13 claims
  5. Nitrofurantoin Mono-Macro12 claims
  6. Tamsulosin Hcl11 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): 100 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 3 group practices

  1. Encinitas Emergency Medicine IncEncinitas, CA
  2. San Diego Emergency Physicians IncSan Diego, CA
  3. Scripps HealthOceanside, CA

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

Ryan Stuart Smith among 7,751 emergency medicine physician records in California

Ryan Stuart Smith, DO 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
  • Graduated2003 · median 2011 among the 4,560 with a school on file
  • Record last updated2014 · 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).

50 emergency medicine physician records list a practice address in Oceanside

They are 50 of the 3,438 NPPES records with a practice address in Oceanside, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michael Alaynick, M.D.Oceanside, CA 920561073507174
  2. Dorothy Brown, M.D.Oceanside, CA 920561710971643
  3. Randall Browning, M.D.Oceanside, CA 920561629062559
  4. John Bushong, M.D.Oceanside, CA 920561235123050
  5. Reid Conant, M.D.Oceanside, CA 920561255326351
  6. Michael Forman, M.D.Oceanside, CA 920561992790661
  7. Steven Gabriel, M.D.Oceanside, CA 920561780679464
  8. Darin Garner, M.D.Oceanside, CA 920561275535874

Common questions

What is Ryan Stuart Smith, DO's NPI number?

Ryan Stuart Smith, DO's National Provider Identifier (NPI) is 1861401002, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Stuart Smith, DO located?

The NPPES record lists a practice address at 4002 Vista Way, Oceanside, CA, 92056. Phone: (760) 439-1963. Providers update this record themselves, so call before visiting.

How can I verify Ryan Stuart Smith, DO's license?

NPPES lists California license number 20A8897, 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 Ryan Stuart Smith, DO prescribe under Medicare Part D?

In 2024, Ryan Stuart Smith, DO had 217 Medicare Part D claims for 177 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Ryan Stuart Smith, DO's MIPS final score?

The 2023 MIPS final score is 100 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.