JASON TYLER DARR DO
NPI 1699237099
Emergency Medicine in Stockton, CA
About Jason Tyler Darr Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON TYLER DARR DO (NPI 1699237099) is an individual emergency medicine provider in Stockton, California, licensed in California (19330) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jason Tyler Darr Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Jason Darr reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1548216260 (California)
- 2,323 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 141 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STOCKTON, CA 95204
STOCKTON, CA 95204
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 Jason Darr's NPI number?
The NPI number for Jason Darr is 1699237099. It was assigned to this individual provider in the NPPES registry on April 3, 2019.
Where is Jason Darr located?
Jason Darr practices at 1800 N California St, Stockton, CA 95204. The listed phone number is (209) 547-7146.
What is Jason Darr's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jason Darr enrolled in Medicare?
Yes. Jason Darr is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jason Darr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Darr reassigns Medicare benefits to 5 organizations: Cep America - California (French Camp, CA), San Francisco Physicians International Medical Group, Inc (San Ramon, CA), Solano Gateway Medical Group Inc (Fairfield, CA), San Joaquin Emergency Medical Associates (Merced, CA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Jason Darr'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 Jason Darr was last updated on June 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.