JAMES J TRIETSCH DO
NPI 1285747253
Pediatrics in Palo Alto, CA
About James J Trietsch Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES J TRIETSCH DO (NPI 1285747253) is an individual pediatrics provider in Palo Alto, California, licensed in California (20A7000) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Palo Alto.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James J Trietsch Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Trietsch reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Madera, CA 93636
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Valley Childrens Specialty Medical Group Inc
- 63 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 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 James Trietsch's NPI number?
The NPI number for James Trietsch is 1285747253. It was assigned to this individual provider in the NPPES registry on August 16, 2006.
Where is James Trietsch located?
James Trietsch practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is James Trietsch's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is James Trietsch enrolled in Medicare?
Yes. James Trietsch is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Trietsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Trietsch reassigns Medicare benefits to 3 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA), Stanford Health Care (Stanford, CA) and Valley Children's Specialty Medical Group, Inc. (Madera, CA). Each 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 James Trietsch'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 James Trietsch was last updated on April 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# James J Trietsch, DO · NPI 1285747253
Pediatrics physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since August 16, 2006.
## Identity
- **NPI:** 1285747253 (Entity type: Individual)
- **Enumerated:** August 16, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 20A7000 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); Valley Children's Specialty Medical Group, Inc. (NPI 1013968296, Madera, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1285747253) · Data from the CMS NPPES public registry.