Gregg Nielson, RVT
Vascular Sonography Radiologic Technologist · Newport Beach, CA
Gregg Nielson, RVT is a vascular sonography radiologic technologist with a practice address in Newport Beach, California, and NPI 1437555646, issued on Nov 15, 2014. Check the license (California 154435, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregg Nielson
- Credential
- RVT
- Primary taxonomy
- Vascular Sonography Radiologic Technologist 2471V0105X
- License number
- 154435 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4501 Birch St, Newport Beach, CA 92660
- Phone
- (805) 705-5003
- Enumerated
- Nov 15, 2014
- Entity
- Type 1 · individual
Also registered at 4501 Birch St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Compoginis, M.D.Plastic and Reconstructive Surgery Physician1306039318
- Todd Harris, MDSurgery Physician1710980677
- Zita Kopta, NPWomen's Health Nurse Practitioner1780773069
- Anh La, RNMedical-Surgical Registered Nurse1821509209
- Edward Neymark, MDBody Imaging Physician1447368022
- Beth Torrianni, RNCritical Care Medicine Registered Nurse1811408222
Verify Gregg Nielson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 154435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Vascular Sonography Radiologic Technologist providers in California
There are 21 vascular sonography radiologic technologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other vascular sonography radiologic technologist records in California
- Nazaret Balamutyan, RVTLos Angeles, CA1598003154
- Richard BelmontNorth Hollywood, CA1750267605
- Allen CifuentesDinuba, CA1770264996
- Angela DoucetteSan Diego, CA1932055662
- Quyen DuongOakland, CA1891516894
- Mirkko Galdo VasquezValencia, CA1396219168
- Jennifer Icasiano, RVS, BSSuisun City, CA1063889830
- Ramsess Khosravi, RVTWest Hills, CA1912695842
- Perry MeierWest Hollywood, CA1336441393
- Ramy MenaPalm Desert, CA1316400757
Common questions
What is Gregg Nielson, RVT's NPI number?
Gregg Nielson, RVT's National Provider Identifier (NPI) is 1437555646, issued on Nov 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregg Nielson, RVT located?
The NPPES record lists a practice address at 4501 Birch St, Newport Beach, CA, 92660. Phone: (805) 705-5003. Providers update this record themselves, so call before visiting.
How can I verify Gregg Nielson, RVT's license?
NPPES lists California license number 154435, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.