NPPES file of Aug 9, 2026

Christopher Tizon Ostrea, M.D.

Pediatrics Physician · Modesto, CA

Christopher Tizon Ostrea, M.D. is a pediatrics physician with a practice address in Modesto, California, and NPI 1699902338, issued on Jun 21, 2009. Check the license (California A116179, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699902338
Name
Christopher Tizon Ostrea
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
A116179 CA
27627 OK
Self-reported in NPPES; status is on the state search
Practice location
1144 Coffee RD, Modesto, CA 95355
Phone
(209) 550-4744
Enumerated
Jun 21, 2009
Record last updated
Jul 31, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150805008646); 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.
Download card Updates feed

Also registered at 1144 Coffee RD

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

  1. Yvonne Brouard, MDPediatrics Physician1982660122
  2. Alberto Cajigas, MDPediatrics Physician1801854419
  3. Robert Fromuth, MDPediatrics Physician1730147604
  4. Llaneh Garner, LCSWClinical Social Worker1841775343
  5. Arlaine Gutierrez, MDPediatrics Physician1245298884
  6. Angela Lin, MDPediatrics Physician1134171754

Verify Christopher Tizon Ostrea in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A116179
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Sutter Valley Medical FoundationModesto, CA

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

Christopher Tizon Ostrea among 9,272 pediatrics physician records in California

Christopher Tizon Ostrea, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 61% of them.

  • NPI issued2009 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2004 · median 2012 among the 754 with a school on file
  • Record last updated2015 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 pediatrics physician records list a practice address in Modesto

They are 75 of the 9,262 NPPES records with a practice address in Modesto, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Yvonne Brouard, MDModesto, CA 953551982660122
  2. Alberto Cajigas, MDModesto, CA 953551801854419
  3. John Fernando Elias, M.D.Modesto, CA 953551841399235
  4. Robert Fromuth, MDModesto, CA 953551730147604
  5. Arlaine Gutierrez, MDModesto, CA 953551245298884
  6. Armand Hernandez, M.D.Modesto, CA 953551518991983
  7. Sarah Kahn, MDModesto, CA 953551851681928
  8. Dena Lenser, MDModesto, CA 953551245201599

Common questions

What is Christopher Tizon Ostrea, M.D.'s NPI number?

Christopher Tizon Ostrea, M.D.'s National Provider Identifier (NPI) is 1699902338, issued on Jun 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Tizon Ostrea, M.D. located?

The NPPES record lists a practice address at 1144 Coffee RD, Modesto, CA, 95355. Phone: (209) 550-4744. Providers update this record themselves, so call before visiting.

How can I verify Christopher Tizon Ostrea, M.D.'s license?

NPPES lists California license number A116179, 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.

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.