NPPES file of Aug 9, 2026

Barbara-Jean Gutierrez Santos, M.D.

Emergency Medicine Physician · Etiwanda, CA

Barbara-Jean Gutierrez Santos, M.D. is an emergency medicine physician with a practice address in Etiwanda, California, and NPI 1679700017, issued on Jun 11, 2009. Check the license (California A121007, 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
1679700017
Name
Barbara-Jean Gutierrez Santos
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A121007 CA
Self-reported in NPPES; status is on the state search
Practice location
7615 Etiwanda Ave, Etiwanda, CA 91739
Phone
(917) 524-9909
Enumerated
Jun 11, 2009
Record last updated
Mar 25, 2024
Medicare enrollment
Enrolled (PECOS I20121005000292); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2009
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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Verify Barbara-Jean Gutierrez Santos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121007
    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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32% more Medicare Part D claims than the average emergency medicine physician in 2024

298 Medicare Part D claims for 192 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 66 claims were for opioids.

  1. Barbara-Jean Santos298
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen40 claims
  2. Ondansetron Odt32 claims
  3. Cephalexin29 claims
  4. Ciprofloxacin Hcl18 claims
  5. Ibuprofen17 claims
  6. Lactulose11 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. Southern California Permanente Medical GroupFontana, CA

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

Barbara-Jean Gutierrez Santos among 7,751 emergency medicine physician records in California

Barbara-Jean Gutierrez Santos, M.D. 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2011 among the 4,560 with a school on file
  • Record last updated2024 · 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. Shin Liong, M.D.Rancho Cucamonga, CA 917391326150111
  2. Hala Sabry, D.O.Rancho Cucamonga, CA 917391871738138
  3. Michael Bogey, M.D.Glendora, CA 917401497187801
  4. Alfred Cook, MDGlendora, CA 917401932166972
  5. Eric Brown, M.D.Glendora, CA 917411619954633
  6. Bruce Bush, M.D.Glendora, CA 917411548202476
  7. Michael Deyoung, MDGlendora, CA 917411801822606
  8. Leonard Herman, MDGlendora, CA 917411225076417

Common questions

What is Barbara-Jean Gutierrez Santos, M.D.'s NPI number?

Barbara-Jean Gutierrez Santos, M.D.'s National Provider Identifier (NPI) is 1679700017, issued on Jun 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Barbara-Jean Gutierrez Santos, M.D. located?

The NPPES record lists a practice address at 7615 Etiwanda Ave, Etiwanda, CA, 91739. Phone: (917) 524-9909. Providers update this record themselves, so call before visiting.

How can I verify Barbara-Jean Gutierrez Santos, M.D.'s license?

NPPES lists California license number A121007, 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 Barbara-Jean Gutierrez Santos, M.D. prescribe under Medicare Part D?

In 2024, Barbara-Jean Gutierrez Santos, M.D. had 298 Medicare Part D claims for 192 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.