NPPES file of Aug 9, 2026

Sylvia Osorio, M.D.

Family Medicine Physician · Gardena, CA

Sylvia Osorio, M.D. is a family medicine physician with a practice address in Gardena, California, and NPI 1932159225, issued on May 10, 2006. Check the license (California G56557, 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
1932159225
Name
Sylvia Osorio
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G56557 CA
Self-reported in NPPES; status is on the state search
Practice location
1045 W Redondo Beach Blvd, Gardena, CA 90247
Phone
(310) 352-4170
Enumerated
May 10, 2006
Record last updated
Mar 7, 2023
Fax
(310) 324-7956
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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Also registered at 1045 W Redondo Beach Blvd

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

  1. Elias Aguiar MontaniStudent in an Organized Health Care Education/Training Program1821982117
  2. Stephanie AguirreSpeech-Language Assistant1750255808
  3. Gwen Allen, M.D.Obstetrics & Gynecology Physician1306942909
  4. Natasha BaezSocial Worker1790511004
  5. Johnsam BakPhysical Therapist1942914387
  6. Dara CafieroClinical Social Worker1730545161

Verify Sylvia Osorio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G56557
    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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96% fewer Medicare Part D claims than the average family medicine physician in 2024

144 Medicare Part D claims for 94 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Sylvia Osorio144
  2. Specialty average3,544

Most prescribed

  1. Meloxicam11 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.

Sylvia Osorio among 17,133 family medicine physician records in California

Sylvia Osorio, M.D. is one of 17,133 family 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 family medicine physician records list a practice address in Gardena

They are 30 of the 4,627 NPPES records with a practice address in Gardena, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alfonso Baez, MDGardena, CA 902471134295132
  2. Young Choi, M.D.Gardena, CA 902471447278031
  3. Yeymi De Leon, MDGardena, CA 902471831320852
  4. Pricilla Louise Generoso, MDGardena, CA 902471053987305
  5. Gholam Hosseinian, M.D.,Gardena, CA 902471124042882
  6. Felix Igbinosa, M.DGardena, CA 902471831397728
  7. Dan Kahen, D.O.Gardena, CA 902471417226234
  8. Manoutcher Khalili, MDGardena, CA 902471861446841

Common questions

What is Sylvia Osorio, M.D.'s NPI number?

Sylvia Osorio, M.D.'s National Provider Identifier (NPI) is 1932159225, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sylvia Osorio, M.D. located?

The NPPES record lists a practice address at 1045 W Redondo Beach Blvd, Gardena, CA, 90247. Phone: (310) 352-4170. Providers update this record themselves, so call before visiting.

How can I verify Sylvia Osorio, M.D.'s license?

NPPES lists California license number G56557, 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 Sylvia Osorio, M.D. prescribe under Medicare Part D?

In 2024, Sylvia Osorio, M.D. had 144 Medicare Part D claims for 94 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.