DR. JASON JENG PAN MD
NPI 1922410042
Internal Medicine - Gastroenterology in Los Angeles, CA
About Dr. Jason Jeng Pan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JASON JENG PAN MD (NPI 1922410042) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A139259) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (2014).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jason Jeng Pan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jason Pan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 44 clinicians in this Medicare group
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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 7
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Pan's NPI number?
The NPI number for Jason Pan is 1922410042. It was assigned to this individual provider in the NPPES registry on May 22, 2014.
Where is Jason Pan located?
Jason Pan practices at 100 Ucla Medical Plaza Ste 205, Los Angeles, CA 90095. The listed phone number is (310) 208-5400.
What is Jason Pan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Jason Pan enrolled in Medicare?
Yes. Jason Pan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jason Pan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Pan reassigns Medicare benefits to 3 organizations: The Regents Of The University Of California (Los Angeles, CA), The Regents Of The University Of California (Los Angeles, CA) and Washington University (Saint Louis, MO). 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 Pan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jason Pan affiliated with any hospitals?
According to CMS data, Jason Pan is affiliated with Memorial Hospital, Barnes Jewish Hospital and Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Jason Pan was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Dr. Jason Jeng Pan, MD · NPI 1922410042
Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 22, 2014.
## Identity
- **NPI:** 1922410042 (Entity type: Individual)
- **Enumerated:** May 22, 2014
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A139259 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 UCLA MEDICAL PLAZA STE 205, Los Angeles, CA 90095-1003
- **Phone:** (310) 208-5400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): The Regents Of The University Of California (NPI 1902862170, Los Angeles, CA); The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); Washington University (NPI 1992746903, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2014
## Record status
- **NPPES last updated:** August 29, 2025
- **Other identifiers:** Medicaid 200114759 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1922410042) · Data from the CMS NPPES public registry.