NPPES file of Aug 9, 2026

Jennifer Santiago Olesco

Nurse Practitioner · Chula Vista, CA

Jennifer Santiago Olesco is a nurse practitioner with a practice address in Chula Vista, California, and NPI 1225771264, issued on Apr 18, 2022. Check the license (California 95020676, as entered in NPPES) with the California board that licenses this profession; 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
1225771264
Name
Jennifer Santiago Olesco
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95020676 CA
Self-reported in NPPES; status is on the state search
Practice location
752 Medical Center CT, Chula Vista, CA 91911
Phone
(619) 421-3361
Enumerated
Apr 18, 2022
Record last updated
May 18, 2022
Fax
(619) 869-4378
Medicare enrollment
Enrolled (PECOS I20220527001467); accepts Medicare assignment
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 752 Medical Center CT

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

  1. Steven Brozinsky, M.D.Gastroenterology Physician1649266834
  2. Elaine Curtis, M.D.Adult Medicine Physician1548298623
  3. Jennifer KastelloWomen's Health Nurse Practitioner1427071356
  4. Jill Meyer, MDNephrology Physician1255394789
  5. Alma O'QuinnAdvanced Practice Midwife1346269206
  6. Jeffrey Overcash, MDEmergency Medicine Physician1104814680

Verify Jennifer Santiago Olesco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95020676    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
Find the California license search

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16% fewer Medicare Part D claims than the average nurse practitioner in 2024

936 Medicare Part D claims for 242 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Jennifer Olesco936
  2. Specialty average1,109

Most prescribed

  1. Sevelamer Carbonate181 claims
  2. Velphoro82 claims
  3. Lidocaine-Prilocaine63 claims
  4. Carvedilol39 claims
  5. Amlodipine Besylate38 claims
  6. Calcium Acetate38 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. Balboa Nephrology Medical Group IncSan Diego, CA

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

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in Chula Vista →

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Martha Ababneh, CNAEl Monte, CA1275118614
  4. Maria Katrina Abad, AGPCNP-BCSan Carlos, CA1306394952
  5. Shayda Abadi, NPPalo Alto, CA1316745540
  6. Jessika Abarca, NPSan Fernando, CA1972263945
  7. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  8. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  9. Honeylynn Abaya, NPMoreno Valley, CA1528799145
  10. Tara Abbondanza, NPArcadia, CA1730355173

Common questions

What is Jennifer Santiago Olesco's NPI number?

Jennifer Santiago Olesco's National Provider Identifier (NPI) is 1225771264, issued on Apr 18, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Santiago Olesco located?

The NPPES record lists a practice address at 752 Medical Center CT, Chula Vista, CA, 91911. Phone: (619) 421-3361. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Santiago Olesco's license?

NPPES lists California license number 95020676, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Santiago Olesco prescribe under Medicare Part D?

In 2024, Jennifer Santiago Olesco had 936 Medicare Part D claims for 242 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.