DR. CHRISTOPHER PAUL KEUP M.D.
NPI 1861607665
Radiology - Pediatric Radiology in Los Angeles, CA

Active since May 14, 2007PECOS EnrolledAccepts Medicare Assignment
4650 W SUNSET BLVD, LOS ANGELES, CA 90027(323) 660-2450 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 30, 2026, Apr 10, 2024, Sep 5, 2023 and 4 more (7 updates tracked since 2022).

About Dr. Christopher Paul Keup M.d. NPPES

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

DR. CHRISTOPHER PAUL KEUP M.D. (NPI 1861607665) is an individual pediatric radiology provider in Los Angeles, California, licensed in California (C175409) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of University Of Missouri, Columbia School Of Medicine (2007).

NPPES Registry Identity

NPI1861607665
Entity TypeIndividualMale
Primary Taxonomy2085P0229X
Provider Legal NameDR. CHRISTOPHER PAUL KEUPCredential: M.D.
Location Address4650 W SUNSET BLVDLos Angeles, CA 90027-6062
Mailing Address3250 Wilshire Blvd Ste 1101Los Angeles, CA 90010-1513
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2007
Enumeration DateMay 14, 2007
Last NPPES UpdateJanuary 30, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
✔ NPI 1861607665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085P0229X
Licenses✔ Licensed in CA · C175409✔ Licensed in MO · 20120628✔ Licensed in FL · ME142200✔ Licensed in KS · 04-36279
Definition
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 2012020608 (MO), ME142200 (FL)
4650 W SUNSET BLVD, Los Angeles, CA 90027

Accepted Insurance

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. Christopher Paul Keup 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 ID7517356165
PECOS Enrollment IDI20211119001450, I20220217000963
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

9

Medicare enrollment records show Christopher Keup reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
Emergency Medicine
500 MEDICAL DR
Wentzville, MO 63385
  • Reassigned Medicare billing, Missouri enrollment
  • 741 clinicians in this Medicare group
Pediatrics
2927 S . KINGS HIGHWAY BLVD
Saint Louis, MO 63139
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
  • 414 clinicians in this Medicare group
Emergency Medicine
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
Diagnostic Radiology
800 ROSE STREET
Lexington, KY 40536
  • Reassigned Medicare billing, Florida enrollment
Diagnostic Radiology
7525 STATE ROAD 52
Hudson, FL 34667
  • Reassigned Medicare billing, Florida enrollment
  • 210 clinicians in this Medicare group
Pediatrics
501 6TH AVE S
St Petersburg, FL 33701
  • Reassigned Medicare billing, Florida enrollment
  • 360 clinicians in this Medicare group
Diagnostic Radiology
1 TAMPA GENERAL CIR
Tampa, FL 33606
  • Reassigned Medicare billing, Florida enrollment
  • 1,130 clinicians in this Medicare group
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 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 2

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
44 services40 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260091
Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County
Emergency services Birthing friendly

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.

Pediatrics
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Pediatrics (Pediatric Pulmonology)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
General Acute Care Hospital (Children)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Physical Therapist (Pediatrics)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Psychologist (Clinical Child & Adolescent)
4650 W SUNSET BLVD, MS #53
LOS ANGELES, CA 90027
Nurse Practitioner (Pediatrics)
4650 W SUNSET BLVD, MS #81
LOS ANGELES, CA 90027
Pediatrics (Pediatric Emergency Medicine)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD
LOS ANGELES, CA 90027

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 Christopher Keup's NPI number?

The NPI number for Christopher Keup is 1861607665. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is Christopher Keup located?

Christopher Keup practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 660-2450.

What is Christopher Keup's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Is Christopher Keup enrolled in Medicare?

Yes. Christopher Keup 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 Christopher Keup's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Keup reassigns Medicare benefits to 9 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), Ssm Health Care St. Louis (Wentzville, MO), Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO), Usa Health Physician Billing Services LLC (Mobile, AL), University Of Kentucky (Lexington, KY) and 4 more organizations, 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 Christopher Keup's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Keup accept?

Health plans from Anthem Blue Cross and Blue Shield, Cigna HealthCare of Florida, Inc., Cigna Healthcare, Molina Healthcare and Oscar Health and 3 other insurers list Christopher Keup as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christopher Keup affiliated with any hospitals?

According to CMS data, Christopher Keup is affiliated with Ssm Health St Mary's Hospital - St Louis.

When was this NPI record last updated?

The NPPES record for Christopher Keup was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.