NAVID REZA HOMAYOUNI
NPI 1558456855
Radiology - Nuclear Radiology in Washington, DC

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-6634 Get Directions Write a Review

NPPES record last updated: November 30, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Navid Reza Homayouni NPPES

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

NAVID REZA HOMAYOUNI (NPI 1558456855) is an individual nuclear radiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD035381) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1558456855
Entity TypeIndividualMale
Primary Taxonomy2085N0904X
Provider Legal NameNAVID REZA HOMAYOUNI
Location Address3800 RESERVOIR RD NWWashington, DC 20007
Mailing AddressBox 631856Baltimore, MD 21263
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateOctober 3, 2006
Last NPPES UpdateNovember 30, 2007
✔ NPI 1558456855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Nuclear RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0904X
License✔ Licensed in DC · MD035381
Definition
A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.
3800 RESERVOIR RD NW, Washington, DC 20007

Other Identifiers 1

Medicare PIN020611M65DC

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

Navid Reza Homayouni 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 ID1153323993
PECOS Enrollment IDI20070208000096, I20071126000243
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

2

Medicare enrollment records show Navid Homayouni reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
Diagnostic Radiology
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 178 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 13

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.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815
A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.
123 services121 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
115 services115 patients
Nuclear medicine study of lung ventilation and circulation 78582
A nuclear medicine lung ventilation and circulation study uses a safe radioactive material to create images of air and blood flow in your lungs. It helps identify issues like blood clots or lung diseases. You inhale or receive an injection of this material, and a special camera captures the images.
103 services102 patients
Nuclear medicine study of bone and/or joint whole body 78306
A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.
80 services73 patients
Nuclear medicine study of liver and bile duct system with use of drugs 78227
A nuclear medicine study of the liver and bile duct system involves injecting a safe, radioactive substance into the body. This substance helps create images of these areas on a special camera. It's often combined with drug use to improve image clarity and aid in diagnosing various conditions.
38 services38 patients
Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging 78830
A nuclear medicine study with SPECT and concurrent CT scan is a special imaging test. It uses a small amount of radioactive substance and advanced imaging techniques to create detailed pictures of your internal body structures. It aids in diagnosing and tracking the progress of treatment for various diseases.
30 services29 patients

Hospital Affiliations CMS Care Compare 4

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Medstar Harbor Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210034
Location3001 South Hanover StreetBaltimore, MD 21225 · Baltimore City County
Birthing friendly

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210056
Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County
Emergency services

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.

Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physician Assistant
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Navid Homayouni's NPI number?

The NPI number for Navid Homayouni is 1558456855. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Navid Homayouni located?

Navid Homayouni practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-6634.

What is Navid Homayouni's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Is Navid Homayouni enrolled in Medicare?

Yes. Navid Homayouni 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 Navid Homayouni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Navid Homayouni reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Medstar Medical Group Radiology, LLC (Washington, DC). 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 Navid Homayouni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Navid Homayouni affiliated with any hospitals?

According to CMS data, Navid Homayouni is affiliated with Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital, Medstar Harbor Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Navid Homayouni was last updated on November 30, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.