NPPES file of Aug 9, 2026

Cynthia Sue Herrington, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Los Angeles, CA

Cynthia Sue Herrington, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Los Angeles, California, and NPI 1770517245, issued on Jul 10, 2006. Check the license (California G84606, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770517245
Name
Cynthia Sue Herrington
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
G84606 CA
37990 MN
Self-reported in NPPES; status is on the state search
Practice location
4650 W Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 442-6793
Enumerated
Jul 10, 2006
Record last updated
Aug 30, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4650 W Sunset Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hisham Abdel-Azim, MDPediatric Hematology & Oncology Physician1114018694
  2. Ashraf Abou-Zamzam, MDPediatric Critical Care Medicine Physician1457442931
  3. Karineh Aboulian, MDPediatrics Physician1275774325
  4. Ahmed AbuhamadStudent in an Organized Health Care Education/Training Program1386478915
  5. Joanna Aceto, D.D.S.Pediatric Dentistry1033522578
  6. Etai Adam, M.D.Pediatrics Physician1578811998

Verify Cynthia Sue Herrington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G84606    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California

There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 634 in California → Every provider in Los Angeles →

Other thoracic surgery (cardiothoracic vascular surgery) physician records in California

  1. Kelechi Abanobi, M.DLos Angeles, CA1720236953
  2. Amir Abolhoda, MDOrange, CA1891875951
  3. Reginald Abraham, M DFountain Valley, CA1720042864
  4. Adrian Acuna HigakiLos Angeles, CA1831991454
  5. Robert Adamson, M.D.San Diego, CA1043292584
  6. Alaa Afifi, MDSanta Ana, CA1609802552
  7. Ricardo Aguirre, MDDanville, CA1699739219
  8. Palash Aiyer, MDSan Francisco, CA1649832213
  9. Andrew Akcelik, MDSan Francisco, CA1992298319
  10. Akbarshakh Akhmerov, MDWest Hollywood, CA1215464276

Common questions

What is Cynthia Sue Herrington, M.D.'s NPI number?

Cynthia Sue Herrington, M.D.'s National Provider Identifier (NPI) is 1770517245, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Sue Herrington, M.D. located?

The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 442-6793. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Sue Herrington, M.D.'s license?

NPPES lists California license number G84606, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.