STEPHEN GREENBERG M.D.
NPI 1184682387
Radiology - Diagnostic Radiology in Los Angeles, CA

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
91.24/100
CMS Quality Rating
5925 SAN VICENTE BLVD, LOS ANGELES, CA 90019(323) 932-5301 Get Directions Write a Review

NPPES record last updated: November 5, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stephen Greenberg M.d. NPPES

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

STEPHEN GREENBERG M.D. (NPI 1184682387) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (G45339) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1980).

NPPES Registry Identity

NPI1184682387
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameSTEPHEN GREENBERGCredential: M.D.
Location Address5925 SAN VICENTE BLVDLos Angeles, CA 90019-6630
Mailing AddressPo Box 190Simi Valley, CA 93062-0190 · (805) 522-5940 · Fax (805) 522-6401
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1980
Enumeration DateMay 4, 2006
Last NPPES UpdateNovember 5, 2008
✔ NPI 1184682387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G45339
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
5925 SAN VICENTE BLVD, Los Angeles, CA 90019

Other Identifiers 5

Medicare UPINB57579
Medicare ID-Type UnspecifiedWG45339N
Medicare PINAO582Z
Medicaid00G453390CA
Medicare PINWG45339P

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

Stephen Greenberg 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 ID2466407929
PECOS Enrollment IDI20050317000193
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

13

Medicare enrollment records show Stephen Greenberg reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Specialist
6500 WILSHIRE BLVD FL 15
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
Diagnostic Radiology
1516 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 311 clinicians in this Medicare group
Diagnostic Radiology
1510 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 372 clinicians in this Medicare group
Vascular-Interventional Technology
16311 VENTURA BLVD STE 120
Encino, CA 91436
  • Reassigned Medicare billing, California enrollment
  • 329 clinicians in this Medicare group
Diagnostic Radiology
72855 FRED WARING DR
Palm Desert, CA 92260
  • Reassigned Medicare billing, California enrollment
  • 278 clinicians in this Medicare group
Diagnostic Radiology
6191 N THESTA ST
Fresno, CA 93710
  • Reassigned Medicare billing, California enrollment
  • 232 clinicians in this Medicare group
Diagnostic Radiology
157 E COOLIDGE AVE
Modesto, CA 95350
  • Reassigned Medicare billing, California enrollment
  • 219 clinicians in this Medicare group
Diagnostic Radiology
2201 WALNUT AVE, SUITE # 150
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • 238 clinicians in this Medicare group
Diagnostic Radiology
1801 E MARCH LN STE A130
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 219 clinicians in this Medicare group
Diagnostic Radiology
3440 CALIFORNIA ST
San Francisco, CA 94118
  • Reassigned Medicare billing, California enrollment
  • 219 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 38

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
9,104 services96 patients
Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
2,700 services18 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
156 services156 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
150 services150 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.
129 services129 patients
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
92 services92 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90019 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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.

91.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 12

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

Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Emergency Medicine
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019
Radiology (Diagnostic Radiology)
5925 SAN VICENTE BLVD
LOS ANGELES, CA 90019

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 Stephen Greenberg's NPI number?

The NPI number for Stephen Greenberg is 1184682387. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Stephen Greenberg located?

Stephen Greenberg practices at 5925 San Vicente Blvd, Los Angeles, CA 90019. The listed phone number is (323) 932-5301.

What is Stephen Greenberg's specialty?

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

Is Stephen Greenberg enrolled in Medicare?

Yes. Stephen Greenberg 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 Stephen Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Greenberg reassigns Medicare benefits to 13 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Pronet Imaging Medical Group, Inc. (Los Angeles, CA), Beverly Radiology Medical Group III (Los Angeles, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Desert Advanced Imaging Medical Center (Palm Desert, CA) and 8 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 Stephen Greenberg'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 Stephen Greenberg was last updated on November 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.