Registry data as of Aug 27, 2026

Christian Guier, MD

Orthopaedic Surgery Physician · Santa Barbara, CA

Christian Guier, MD is an orthopaedic surgery physician with a practice address in Santa Barbara, California, and NPI 1679676530, issued on Sep 6, 2006. Check the license (California G51976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1679676530
Name
Christian Guier
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
G51976 CA
M5857 ID
7727 MT
4517A WY
Self-reported in NPPES; status is on the state search
Practice location
510 Castillo St Ste 302, Santa Barbara, CA 93101
Phone
(307) 690-9229
Enumerated
Sep 6, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Christian Guier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G51976
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

95% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

16 Medicare Part D claims, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Christian Guier16
  2. Specialty average344

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.

Orthopaedic Surgery Physician providers in California

There are 2,427 orthopaedic surgery physician records in California.

Other orthopaedic surgery physician records in California

  1. Karim Abdollahi, M.D.Laguna Beach, CA1942240403
  2. Hussein Abdulrassoul, MDRiverside, CA1972123891
  3. Douglas Abeles, MDCastro Valley, CA1508961582
  4. Anthony Abene, MDSan Jose, CA1457437964
  5. Nicholas Abidi, MDCapitola, CA1548273758
  6. Joshua Acebo, MDPalo Alto, CA1396373734
  7. Daniel Acevedo, M.D.Thousand Oaks, CA1184856122
  8. Curtis Adams, MDSacramento, CA1265963656
  9. John Adams, MDLos Angeles, CA1215914114
  10. Gregory Adamson, M.D.Pasadena, CA1972590610

Common questions

What is Christian Guier, MD's NPI number?

Christian Guier, MD's National Provider Identifier (NPI) is 1679676530, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christian Guier, MD located?

The NPPES record lists a practice address at 510 Castillo St Ste 302, Santa Barbara, CA, 93101. Phone: (307) 690-9229. Providers update this record themselves, so call before visiting.

How can I verify Christian Guier, MD's license?

NPPES lists California license number G51976, 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 Christian Guier, MD prescribe under Medicare Part D?

In 2024, Christian Guier, MD had 16 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 344. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.