Registry data as of Aug 27, 2026

Matthew Deardorff, MD, PHD

Clinical Genetics (M.D.) Physician · Los Angeles, CA

Matthew Deardorff, MD, PHD is a clinical genetics (m.d.) physician with a practice address in Los Angeles, California, and NPI 1164541181, issued on Mar 29, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1164541181
Name
Matthew Deardorff
Credential
MD, PHD
Primary taxonomy
Clinical Genetics (M.D.) Physician 207SG0201X
Practice location
4650 W Sunset Blvd # MS 43, Los Angeles, CA 90027
Phone
(877) 543-9522
Enumerated
Mar 29, 2007
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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Verify Matthew Deardorff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Industry payments in 2024: $29.15

1 payment, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 223 providers of this specialty with any payment received $12,749.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Deardorff$29.15
  2. Specialty average$12,749.58

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Clinical Genetics (M.D.) Physician providers in California

There are 127 clinical genetics (m.d.) physician records in California.

Other clinical genetics (m.d.) physician records in California

  1. Sridevi Abboy, MDLos Angeles, CA1962688853
  2. Syed Ahmed, MDRiverside, CA1538217310
  3. Walla Al-Hertani, M.D.Orange, CA1104395656
  4. Alicia Aycinena, M.D.San Francisco, CA1548654908
  5. Suha Bachir, MDPalo Alto, CA1144754490
  6. Ronald Bachman, MDOakland, CA1023197167
  7. Jaime Barea, M.D.Madera, CA1437471810
  8. Daniah Beleford, MD, PHDSacramento, CA1841634805
  9. Joann Bergoffen, MDSan Jose, CA1861566465
  10. Sucheta Bhatt, M.D.Orange, CA1578606505

Common questions

What is Matthew Deardorff, MD, PHD's NPI number?

Matthew Deardorff, MD, PHD's National Provider Identifier (NPI) is 1164541181, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Deardorff, MD, PHD located?

The NPPES record lists a practice address at 4650 W Sunset Blvd # MS 43, Los Angeles, CA, 90027. Phone: (877) 543-9522. Providers update this record themselves, so call before visiting.

How can I verify Matthew Deardorff, MD, PHD's license?

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), loaded Aug 27, 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.

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.