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DR. KAREN CHI-LYNN CHEN M.D.
NPI 1437377710
Radiology - Diagnostic Radiology in San Diego, CA

Active since April 23, 2007PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: August 31, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Karen Chi-lynn Chen M.d. NPPES

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

DR. KAREN CHI-LYNN CHEN M.D. (NPI 1437377710) is an individual diagnostic radiology provider in San Diego, California, licensed in California (A110719) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of State University Of New York At Buffalo School Of Medicine (2003).

NPPES Registry Identity

NPI1437377710
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. KAREN CHI-LYNN CHENCredential: M.D.
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorYes
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2003
Enumeration DateApril 23, 2007
Last NPPES UpdateAugust 31, 2023
NPPES CertifiedAugust 31, 2023
✔ NPI 1437377710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · A110719✔ Licensed in PA · MD434312
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
200 W ARBOR DR, San Diego, CA 92103
Open in Google Maps ↗

Secondary Practice Location 1

Location 13350 La Jolla Village Dr, Box 114San Diego, CA 92161-0002 · Phone (858) 552-8585

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. Karen Chi-lynn Chen M.d. 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.

PECOS PAC ID4183795081
PECOS Enrollment IDI20100504000699
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

2

Medicare enrollment records show Karen Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
Same address
Diagnostic Radiology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 360 clinicians in this Medicare group
NPI 1417050956 (800) 926-8273
Scripps Health
0.2 mi
General Acute Care Hospital
4077 5TH AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,598 clinicians in this Medicare group
NPI 1659359446 (619) 260-7101

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 92103 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
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.

DR. RAMIN MOTARJEMI M.D.
Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 249-2500
DR. KYLE PALMER EDMONDS M.D., FAAHPM
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
SHAWN RAVEENTH VEDAMANI MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DALE MICHAEL TRUJILLO NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DR. EUGENE THOMAS RICHARDSON IV MD
Internal Medicine (Infectious Disease)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
KAYLEE PETERSEN ARNP
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
IRENE NEVAREZ NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
WILLIAM JAMES MOSS M.D.
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (508) 395-4189

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 Karen Chen's NPI number?

The NPI number for Karen Chen is 1437377710. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is Karen Chen located?

Karen Chen practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Karen Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Karen Chen enrolled in Medicare?

Yes. Karen Chen 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 Karen Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Chen reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (San Diego, CA) and Scripps Health (San Diego, 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 Karen 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 Karen Chen was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.