Nathaniel Adam Heldt, MD, PHD
Vascular & Interventional Radiology Physician · Los Angeles, CA
Nathaniel Adam Heldt, MD, PHD is a vascular & interventional radiology physician with a practice address in Los Angeles, California, and NPI 1689246647, issued on Jul 10, 2021. Check the license (California PTL9696, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nathaniel Adam Heldt
- Credential
- MD, PHD
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- PTL9696 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 409-7242
- Enumerated
- Jul 10, 2021
- Record last updated
- Jul 5, 2023
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 599 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathaniel Adam Heldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PTL9696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nathaniel Adam Heldt among 599 vascular & interventional radiology physician records in California
Nathaniel Adam Heldt, MD, PHD is one of 599 vascular & interventional radiology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 1% newer
- In a Medicare fileNo · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in California
There are 599 vascular & interventional radiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 599 in California → Every provider in Los Angeles → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Matthew Abad-Santos, MDLos Angeles, CA 900331487041406
- Ajita Deodhar, M.DLos Angeles, CA 900331740593458
- Sue Hanks, M.D.Los Angeles, CA 900331891731048
- Donald Harrell, M.D.Los Angeles, CA 900331962439703
- Donald Larsen, M.D.Los Angeles, CA 900331558305532
- Mary Marx, M.D.Los Angeles, CA 900331972539997
- Ryan Murray, MDLos Angeles, CA 900331215314158
- Brian Ng, M.D.Los Angeles, CA 900331891140844
Common questions
What is Nathaniel Adam Heldt, MD, PHD's NPI number?
Nathaniel Adam Heldt, MD, PHD's National Provider Identifier (NPI) is 1689246647, issued on Jul 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Adam Heldt, MD, PHD located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 409-7242. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Adam Heldt, MD, PHD's license?
NPPES lists California license number PTL9696, 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. 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.