NPPES file of Aug 9, 2026

Mateo Calderon Arnulphi, M.D.

Neurology Physician · Los Angeles, CA

Mateo Calderon Arnulphi, M.D. is a neurology physician with a practice address in Los Angeles, California, and NPI 1811159957, issued on Jun 30, 2008. Check the license (California A121422, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1811159957
Name
Mateo Calderon Arnulphi
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
A121422 CA
036136021 IL
2013-02038 NC
Self-reported in NPPES; status is on the state search
Practice location
300 Ucla Medical Plz Ste B200, Los Angeles, CA 90095
Phone
(310) 794-1195
Enumerated
Jun 30, 2008
Record last updated
May 12, 2025
Fax
(310) 794-7491
Medicare enrollment
Enrolled (PECOS I20240904003260); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Ucla Medical Plz Ste B200

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

  1. Matthew Ashley, MD, JDNeurology Physician1588892673
  2. Maral Bakir, ACNP AGACNP-BCAcute Care Nurse Practitioner1184229668
  3. Maryam Beigi, MDNeurology Physician1598838690
  4. Roger Bertoldi, MDNeurology Physician1164447082
  5. Kevin Bickart, M.D./PH.D.Neurology Physician1801274139
  6. Adrianna Carrasco, MDNeurology Physician1790425072

Verify Mateo Calderon Arnulphi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121422    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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Bills Medicare through 5 group practices

  1. Ascension Medical Group-Southeast Wisconsin IncFranklin, WI
  2. Novant Health Medical Group, LLCSalisbury, NC
  3. St Vincent's Ambulatory Care IncJacksonville, FL
  4. Sutter Bay Medical FoundationSan Francisco, CA
  5. WakemedRaleigh, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

All 2,339 in California → Every provider in Los Angeles →

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Kafia Abbasi, M.D.French Camp, CA1215114897
  4. Puya Abbassi, D.O.San Jose, CA1831695428
  5. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  6. Diana Abdulrahman, M.D.Pomona, CA1518276880
  7. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  8. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  9. Saheil AboutalibLong Beach, CA1548551112
  10. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522

Common questions

What is Mateo Calderon Arnulphi, M.D.'s NPI number?

Mateo Calderon Arnulphi, M.D.'s National Provider Identifier (NPI) is 1811159957, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mateo Calderon Arnulphi, M.D. located?

The NPPES record lists a practice address at 300 Ucla Medical Plz Ste B200, Los Angeles, CA, 90095. Phone: (310) 794-1195. Providers update this record themselves, so call before visiting.

How can I verify Mateo Calderon Arnulphi, M.D.'s license?

NPPES lists California license number A121422, 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.

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.