DR. MICHELLE DIAMOND HOPSTONE M.D.
NPI 1336487289
Radiology - Diagnostic Radiology in Los Angeles, CA

Q: What is Michelle Hopstone's NPI number?

The NPI number for Michelle Hopstone is 1336487289. It was assigned to this individual provider in the NPPES registry on January 28, 2013. The provider is also known as Michelle Tamara Welt Diamond MD.

Q: What is Michelle Hopstone'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 Michelle Hopstone was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 28, 2013PECOS EnrolledAccepts Medicare Assignment

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

NPPES record last updated: December 8, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 8, 2021, Oct 14, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Michelle Diamond Hopstone M.d. NPPES

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

DR. MICHELLE DIAMOND HOPSTONE M.D. (NPI 1336487289) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (A129449) and active in the NPI registry since January 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2012).

NPPES Registry Identity

NPI1336487289

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. MICHELLE DIAMOND HOPSTONECredential: M.D.

Location Address1500 SAN PABLO ST FL 2Los 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 CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2012

Enumeration DateJanuary 28, 2013

Last NPPES UpdateDecember 8, 20214 updates tracked since enumeration

NPPES CertifiedDecember 8, 2021

✔ NPI 1336487289 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 · A129449

Definition

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

1500 SAN PABLO ST FL 2, Los Angeles, CA 90033

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Other Names 1

Former Name (1)Michelle Tamara Welt Diamond Md

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. Michelle Diamond Hopstone 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 ID1658648456

PECOS Enrollment IDI20170526001683

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 Michelle Hopstone reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usc Care Medical Group, Inc

Same address

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

Pronet Imaging Medical Group, Inc.

14 mi

Diagnostic Radiology

1516 COTNER AVE
Los Angeles, CA 90025

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

NPI 1528099488 (310) 445-2800

San Fernando Valley Interventional Radiology And Imaging Center

18 mi

Vascular-Interventional Technology

16311 VENTURA BLVD STE 120
Encino, CA 91436

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

NPI 1942350889 (310) 445-2951

Regents Of The Univ Of Ca

358 mi

Clinical Child & Adolescent

2825 50TH ST
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
2,570 clinicians in this Medicare group

NPI 1447423959 (916) 703-0315

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 33

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.

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

480 services451 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

195 services156 patients

Ct scan of abdomen and pelvis with contrast 74177

129 services123 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.

96 services96 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

83 services81 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

80 services79 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.

77 services75 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.

77 services74 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

76 services74 patients

Complete ultrasound scan behind abdominal cavity 76770

76 services75 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

74 services74 patients

Ultrasound scan of head and neck soft tissue 76536

69 services68 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

61 services59 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

55 services54 patients

Complete ultrasound scan of abdomen 76700

48 services48 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

45 services45 patients

X-ray of abdomen, 1 view 74018

43 services42 patients

Limited ultrasound scan of abdomen 76705

31 services30 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.

31 services30 patients

Mri scan of abdomen before and after contrast 74183

28 services28 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.

28 services27 patients

Ct scan of abdomen and pelvis without contrast 74176

27 services27 patients

Measurement of liver stiffness 91200

Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.

27 services27 patients

Ct scan of abdomen and pelvis before and after contrast 74178

25 services24 patients

Complete ultrasound scan of pelvis 76856

24 services24 patients

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

21 services21 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

17 services17 patients

Mri scan of abdomen without contrast 74181

An MRI scan of the abdomen without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your abdominal organs. This procedure doesn't involve radiation or dye injection.

16 services16 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

16 services15 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

15 services15 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

12 services12 patients

Mri scan of pelvis without contrast 72195

An MRI scan of the pelvis without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of the lower part of your body. This helps doctors to identify any abnormalities or issues in that area.

11 services11 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

11 services11 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.

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.

ERIC ALLAN WHITE M.D.

Radiology (Diagnostic Radiology)