DR. SAM ZEIM M.D.
NPI 1558631655
Radiology - Diagnostic Radiology in Los Angeles, CA

Q: What is Sam Zeim's NPI number?

The NPI number for Sam Zeim is 1558631655. It was assigned to this individual provider in the NPPES registry on January 5, 2012.

Q: What is Sam Zeim's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sam Zeim was last updated on March 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since January 05, 2012PECOS EnrolledAccepts Medicare Assignment

1500 SAN PABLO ST, 2ND FLOOR, LOS ANGELES, CA 90033(323) 442-8541(323) 442-8755 Get Directions Write a Review

NPPES record last updated: March 2, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Sam Zeim M.d. NPPES

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

DR. SAM ZEIM M.D. (NPI 1558631655) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (A103005) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2006).

NPPES Registry Identity

NPI1558631655

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. SAM ZEIMCredential: M.D.

Location Address1500 SAN PABLO ST, 2ND FLOORLos Angeles, CA 90033-5313

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-8541 · Fax (323) 442-8755

Phone(323) 442-8541

Fax(323) 442-8755

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 2006

Enumeration DateJanuary 5, 2012

Last NPPES UpdateMarch 2, 2016

✔ NPI 1558631655 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 · A103005

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1500 SAN PABLO ST, Los Angeles, CA 90033

Open in Google Maps ↗

Other Identifiers 1

Medicaid1558631655CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona.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. Sam Zeim 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 ID4284883604

PECOS Enrollment IDI20120928000512, I20240301003798

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

Medicare enrollment records show Sam Zeim reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Los Angeles

2.2 mi

Primary Care

133 N SUNOL DR
Los Angeles, CA 90063

Reassigned Medicare billing, California enrollment
1,939 clinicians in this Medicare group

NPI 1679061592 (323) 260-2801

Prohealth Partners A Medical Group

6.6 mi

Family Medicine

7643 ATLANTIC AVE
Cudahy, CA 90201

Reassigned Medicare billing, California enrollment
279 clinicians in this Medicare group

NPI 1922495076 (323) 771-1713

Uc Regents

26 mi

Diagnostic Radiology

101 THE CITY DR S
Orange, CA 92868

Reassigned Medicare billing, California enrollment
202 clinicians in this Medicare group

NPI 1346298528 (714) 456-8068

Fullerton Radiology Medical Group, Inc

27 mi

Diagnostic Radiology

5528 E LA PALMA AVE STE 4A
Anaheim, CA 92807

Reassigned Medicare billing, California enrollment
95 clinicians in this Medicare group

NPI 1861451858 (714) 993-2000

Health Diagnostics Of California A Professional Corporation

42 mi

Diagnostic Radiology

24022 CALLE DE LA PLATA STE 100
Laguna Hills, CA 92653

Reassigned Medicare billing, California enrollment
116 clinicians in this Medicare group

NPI 1245861368 (949) 330-8996

Gila River Health Care Corporation

352 mi

Critical Access

17487 S. HEALTH CARE DR.
Laveen, AZ 85339

Reassigned Medicare billing, Texas enrollment
482 clinicians in this Medicare group

NPI 1376538231 (520) 550-6000

Smi Imaging, LLC

363 mi

Diagnostic Radiology

6740 E CAMELBACK RD STE 100
Scottsdale, AZ 85251

Reassigned Medicare billing, California enrollment
79 clinicians in this Medicare group

NPI 1972004489 (602) 651-1945

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 18

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.

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.

682 services682 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.

681 services681 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.

267 services264 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

183 services181 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.

146 services142 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

95 services95 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

88 services88 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

73 services72 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

66 services64 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

43 services43 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

32 services32 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

30 services30 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

19 services15 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

19 services19 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

18 services18 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

18 services12 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

17 services15 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

1%501 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

5%101 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

MRS. CATHY KIEM NGO CRNA

Nurse Anesthetist, Certified Registered

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

DR. THOMAS ALLEN BUCHANAN M.D.

Internal Medicine

1500 SAN PABLO ST, 3 NORTH UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9576

DR. KASHIF TANVEER KHAN M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

BARBARA LEUNG

Occupational Therapist

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 272-2273

MELANIE KUSONRUKSA M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

KAREN KIM PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9385

DR. SHALINI SUNIL SHAH M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (714) 261-3585

TYLER DANIEL COHAN

Student in an Organized Health Care Education/Training Program

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 872-2273

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 Sam Zeim's NPI number?

The NPI number for Sam Zeim is 1558631655. It was assigned to this individual provider in the NPPES registry on January 5, 2012.

Where is Sam Zeim located?

Sam Zeim practices at 1500 San Pablo St 2nd Floor, Los Angeles, CA 90033. The listed phone number is (323) 442-8541.

What is Sam Zeim's specialty?

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

Is Sam Zeim enrolled in Medicare?

Yes. Sam Zeim 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 Sam Zeim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sam Zeim reassigns Medicare benefits to 7 organizations: County Of Los Angeles (Los Angeles, CA), Prohealth Partners A Medical Group (Cudahy, CA), Uc Regents (Orange, CA), Fullerton Radiology Medical Group, Inc (Anaheim, CA), Health Diagnostics Of California A Professional Corporation (Laguna Hills, CA) and 2 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 Sam Zeim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sam Zeim accept?

Health plans from Antidote Health Plan of Arizona, Inc. and Blue Cross Blue Shield of Arizona list Sam Zeim 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.

When was this NPI record last updated?

The NPPES record for Sam Zeim was last updated on March 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.