John George Mardiat, M.D.
Diagnostic Radiology Physician · Santa Barbara, CA
John George Mardiat, M.D. is a diagnostic radiology physician with a practice address in Santa Barbara, California, and NPI 1801896675, issued on Jul 22, 2005. Check the license (California G44393, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John George Mardiat
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G44393 CA
Self-reported in NPPES; status is on the state search - Practice location
- 316 W Junipero St, Santa Barbara, CA 93105
- Phone
- (805) 448-5825
- Enumerated
- Jul 22, 2005
- Record last updated
- Jan 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 569-0079
- Medicaid ID
- 00G443930 CA
- Medicare enrollment
- Enrolled (PECOS I20101008000064); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1979
- Entity
- Type 1 · individual
Also registered at 316 W Junipero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie Dattel, M.D.Maternal & Fetal Medicine Physician1265405096
- Alex Soffici, M.D.Maternal & Fetal Medicine Physician1679527113
Verify John George Mardiat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,805.70
10 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kern Radiology Medical Group IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
72 diagnostic radiology physician records list a practice address in Santa Barbara
They are 72 of the 5,328 NPPES records with a practice address in Santa Barbara, and 4,500 diagnostic radiology physician records in California.
All 72 in Santa Barbara → All 4,500 in California → Every provider in Santa Barbara →
Other diagnostic radiology physician records in California
- Jason Aaronson, MDLos Angeles, CA1023145463
- Brianna Abadie, M.D.Van Nuys, CA1861811291
- Kenric Aban, M.D.Oceanside, CA1336218023
- Pablo Abbona, MDLos Angeles, CA1689856239
- Rashed AbdelaalRiverside, CA1518726090
- Ahmed Abdelhalim, MDRiverside, CA1275162927
- Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
- Bennett Abe, MDVisalia, CA1184731283
- Stephen Abedon, M.D.Daly City, CA1689628687
- Richard Abello, M.D.La Jolla, CA1245205996
Common questions
What is John George Mardiat, M.D.'s NPI number?
John George Mardiat, M.D.'s National Provider Identifier (NPI) is 1801896675, issued on Jul 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John George Mardiat, M.D. located?
The NPPES record lists a practice address at 316 W Junipero St, Santa Barbara, CA, 93105. Phone: (805) 448-5825. Providers update this record themselves, so call before visiting.
How can I verify John George Mardiat, M.D.'s license?
NPPES lists California license number G44393, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.