NPPES file of Aug 9, 2026

Jocelyn Chen-Sandoval, MD

Obstetrics & Gynecology Physician · Loma Linda, CA

Jocelyn Chen-Sandoval, MD is an obstetrics & gynecology physician with a practice address in Loma Linda, California, and NPI 1447541008, issued on Apr 29, 2011. Check the license (California A122135, 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
1447541008
Name
Jocelyn Chen-Sandoval
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A122135 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St Ofc, Loma Linda, CA 92354
Phone
(909) 558-3614
Enumerated
Apr 29, 2011
Record last updated
Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
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 11234 Anderson St Ofc

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

  1. Taylor Dantuma, DOPediatrics Physician1104407279
  2. Jaimesen Rudyk, MDStudent in an Organized Health Care Education/Training Program1821624727

Verify Jocelyn Chen-Sandoval in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A122135
    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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68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

53 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Jocelyn Chen-Sandoval53
  2. Specialty average165

Most prescribed

  1. Estradiol18 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.

Jocelyn Chen-Sandoval among 5,088 obstetrics & gynecology physician records in California

Jocelyn Chen-Sandoval, MD is one of 5,088 obstetrics & gynecology 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 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 obstetrics & gynecology physician records list a practice address in Loma Linda

They are 59 of the 4,863 NPPES records with a practice address in Loma Linda, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kevin Balli, M.D.Loma Linda, CA 923541083636260
  2. Barry Block, M.D.Loma Linda, CA 923541134141328
  3. Karen Gaio Hansberger, MDLoma Linda, CA 923541710083159
  4. Yvonne Gollin, M.D.Loma Linda, CA 923541790899300
  5. Jeffrey Hardesty, M.D.Loma Linda, CA 923541447364062
  6. Elaine Hart, M.D.Loma Linda, CA 923541396767588
  7. John Jacobson, M.D.Loma Linda, CA 923541467474650
  8. Kathleen Lau, M.D.Loma Linda, CA 923541164536702

Common questions

What is Jocelyn Chen-Sandoval, MD's NPI number?

Jocelyn Chen-Sandoval, MD's National Provider Identifier (NPI) is 1447541008, issued on Apr 29, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jocelyn Chen-Sandoval, MD located?

The NPPES record lists a practice address at 11234 Anderson St Ofc, Loma Linda, CA, 92354. Phone: (909) 558-3614. Providers update this record themselves, so call before visiting.

How can I verify Jocelyn Chen-Sandoval, MD's license?

NPPES lists California license number A122135, 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 Jocelyn Chen-Sandoval, MD prescribe under Medicare Part D?

In 2024, Jocelyn Chen-Sandoval, MD had 53 Medicare Part D claims for 22 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.