JIMMY CHEN MD
NPI 1154539930
Family Medicine in Stanford, CA

Active since May 18, 2007PECOS Enrolled
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 17, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 17, 2024, Jul 27, 2022, Oct 13, 2020 (3 updates tracked since 2020).

About Jimmy Chen Md NPPES

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

JIMMY CHEN MD (NPI 1154539930) is an individual family medicine provider in Stanford, California, licensed in California (A104106) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154539930
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJIMMY CHENCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorYes
Enumeration DateMay 18, 2007
Last NPPES UpdateApril 17, 20243 updates tracked since enumeration
NPPES CertifiedApril 17, 2024
✔ NPI 1154539930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A104106✔ Licensed in HI · MD-20164
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Locations 2

Location 1449 Kapahulu Ave Ste 104Honolulu, HI 96815-3850 · Phone (808) 735-0007
Location 264 Bleecker St # 151New York, NY 10012-2410 · Phone (302) 313-1584

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jimmy Chen Md 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 Reassignments

6

Medicare enrollment records show Jimmy Chen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Specialist
1505 SOQUEL DR, SUITE 9
Santa Cruz, CA 95065
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
Rheumatology
8541 E ANDERSON DR STE 104
Scottsdale, AZ 85255
  • Reassigned Medicare billing, Hawaii enrollment
  • 2 clinicians in this Medicare group
Urgent Care
377 KEAHOLE ST STE E108E109
Honolulu, HI 96825
  • Reassigned Medicare billing, Hawaii enrollment
  • 809 clinicians in this Medicare group
Multi-Specialty
1301 PUNCHBOWL ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 859 clinicians in this Medicare group
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 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 94305 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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 20

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

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Jimmy Chen's NPI number?

The NPI number for Jimmy Chen is 1154539930. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is Jimmy Chen located?

Jimmy Chen practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Jimmy Chen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jimmy Chen enrolled in Medicare?

Yes. Jimmy Chen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jimmy Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jimmy Chen reassigns Medicare benefits to 6 organizations: Stanford Health Care (Stanford, CA), Thaila Ramanujam M D Inc (Santa Cruz, CA), Livwell Health LLC (Scottsdale, AZ), The Queens Medical Center (Honolulu, HI), Queens University Medical Group (Honolulu, HI) and 1 more organization, listed in the Medicare section above. 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 Jimmy Chen'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 Jimmy Chen was last updated on April 17, 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.