CHRISTOPHER TIZON OSTREA M.D.
NPI 1699902338
Pediatrics in Modesto, CA

Active since June 21, 2009PECOS Enrolled
1144 COFFEE RD, MODESTO, CA 95355(209) 550-4744 Get Directions Write a Review

NPPES record last updated: July 31, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christopher Tizon Ostrea M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER TIZON OSTREA M.D. (NPI 1699902338) is an individual pediatrics provider in Modesto, California, licensed in California (A116179) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699902338
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameCHRISTOPHER TIZON OSTREACredential: M.D.
Location Address1144 COFFEE RDModesto, CA 95355-4205
Mailing Address600 Coffee RdModesto, CA 95355-4201 · (209) 521-6097
Sole ProprietorNo
Enumeration DateJune 21, 2009
Last NPPES UpdateJuly 31, 2015
✔ NPI 1699902338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · A116179✔ Licensed in OK · 27627
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1144 COFFEE RD, Modesto, CA 95355

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christopher Tizon Ostrea M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Ostrea reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
600 COFFEE RD
Modesto, CA 95355
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355
Pediatrics
1144 COFFEE RD
MODESTO, CA 95355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Ostrea's NPI number?

The NPI number for Christopher Ostrea is 1699902338. It was assigned to this individual provider in the NPPES registry on June 21, 2009.

Where is Christopher Ostrea located?

Christopher Ostrea practices at 1144 Coffee Rd, Modesto, CA 95355. The listed phone number is (209) 550-4744.

What is Christopher Ostrea's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Christopher Ostrea enrolled in Medicare?

Yes. Christopher Ostrea is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christopher Ostrea's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Ostrea reassigns Medicare benefits to Sutter Valley Medical Foundation (Modesto, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Ostrea's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Ostrea was last updated on July 31, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.