MICHAEL DAVID BROWN D.O.
NPI 1790163863
Radiology - Diagnostic Radiology in Santa Ana, CA

Active since May 11, 2015PECOS EnrolledAccepts Medicare Assignment
91.24/100
CMS Quality Rating
1100 N TUSTIN AVE STE A, SANTA ANA, CA 92705(716) 830-8009 Get Directions Write a Review

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

Record update history: Apr 30, 2026, Aug 6, 2024 (2 updates tracked since 2024).

About Michael David Brown D.o. NPPES

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

MICHAEL DAVID BROWN D.O. (NPI 1790163863) is an individual diagnostic radiology provider in Santa Ana, California, licensed in California (20A18292) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2015).

NPPES Registry Identity

NPI1790163863
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMICHAEL DAVID BROWNCredential: D.O.
Location Address1100 N TUSTIN AVE STE ASanta Ana, CA 92705-3509
Mailing Address1100 N Tustin Ave Ste ASanta Ana, CA 92705-3509 · (716) 830-8009
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2015
Enumeration DateMay 11, 2015
Last NPPES UpdateApril 30, 20262 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1790163863 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 · 20A18292✔ Licensed in NY · 341224
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1100 N TUSTIN AVE STE A, Santa Ana, CA 92705

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

Michael David Brown D.o. 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 ID3375965841
PECOS Enrollment IDI20260415003969
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

5

Medicare enrollment records show Michael Brown reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
1516 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 311 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
General Acute Care Hospital
890 OAK ST SE
Salem, OR 97301
  • Reassigned Medicare billing, Oregon enrollment
  • 625 clinicians in this Medicare group
Diagnostic Radiology
750 OLD HICKORY BLVD STE 1-260
Brentwood, TN 37027
  • Reassigned Medicare billing, Tennessee enrollment
  • 44 clinicians in this Medicare group
Orthopaedic Surgery
5719 WIDEWATERS PARKWAY
Syracuse, NY 13214
  • Reassigned Medicare billing, California enrollment
  • 2 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 28

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.

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.
3,950 services24 patients
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.
1,861 services21 patients
Mri scan of leg joint without contrast 73721
An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
349 services298 patients
Mri scan of arm joint without contrast 73221
An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.
243 services225 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.
120 services86 patients
Ct scan of leg without contrast 73700
A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.
105 services100 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 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 5

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

Radiology (Radiation Oncology)
1100 N TUSTIN AVE STE A
SANTA ANA, CA 92705
Radiology (Diagnostic Radiology)
1100 N TUSTIN AVE STE A
SANTA ANA, CA 92705
Radiology Practitioner Assistant
1100 N TUSTIN AVE STE A
SANTA ANA, CA 92705
Social Worker
1100 N TUSTIN AVE STE A
SANTA ANA, CA 92705
Radiology (Radiation Oncology)
1100 N TUSTIN AVE STE A
SANTA ANA, CA 92705

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 Michael Brown's NPI number?

The NPI number for Michael Brown is 1790163863. It was assigned to this individual provider in the NPPES registry on May 11, 2015.

Where is Michael Brown located?

Michael Brown practices at 1100 N Tustin Ave Ste A, Santa Ana, CA 92705. The listed phone number is (716) 830-8009.

What is Michael Brown's specialty?

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

Is Michael Brown enrolled in Medicare?

Yes. Michael Brown 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 Michael Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Brown reassigns Medicare benefits to 5 organizations: Pronet Imaging Medical Group, Inc. (Los Angeles, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Salem Health (Salem, OR), Imaging Specialists PLLC (Brentwood, TN) and Syracuse Orthopedic Specialists, PLLC (Syracuse, NY). 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 Michael Brown'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 Michael Brown was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.