NPPES file of Aug 9, 2026

Ignacio Marcos Carrillo-Nunez, M.D.

Neurology Physician · Long Beach, CA

Ignacio Marcos Carrillo-Nunez, M.D. is a neurology physician with a practice address in Long Beach, California, and NPI 1205827201, issued on Oct 31, 2005. Check the license (California A51049, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205827201
Name
Ignacio Marcos Carrillo-Nunez
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A51049 CA
Self-reported in NPPES; status is on the state search
Practice location
1045 Atlantic Ave, Long Beach, CA 90813
Phone
(562) 591-1324
Enumerated
Oct 31, 2005
Record last updated
Sep 9, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(562) 437-1054
Medicaid ID
00A0510490 CA
Medicare enrollment
Enrolled (PECOS I20091112000122); accepts Medicare assignment
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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8 nearest neurology physician records → All 2,339 in California → Look up another NPI →

Also registered at 1045 Atlantic Ave

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

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  2. Rebecca Alleyne, M.DSurgery Physician1356389050
  3. Rose Mary Berman, M.D.Family Medicine Physician1225113830
  4. Charles Brown, M.D.Diagnostic Radiology Physician1134306236
  5. Coreen Correa, FNPFamily Nurse Practitioner1063720324
  6. Leonard Cutuli, DDSGeneral Practice Dentistry1376583153

Verify Ignacio Marcos Carrillo-Nunez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A51049    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

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55% fewer Medicare Part D claims than the average neurology physician in 2024

617 Medicare Part D claims for 116 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Ignacio Carrillo-Nunez617
  2. Specialty average1,370

Most prescribed

  1. Memantine Hcl74 claims
  2. Donepezil Hcl49 claims
  3. Gabapentin29 claims
  4. Carbidopa-Levodopa28 claims
  5. Lamotrigine24 claims
  6. Phenytoin Sodium Extended18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $3,570.24

136 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ignacio Carrillo-Nunez$3,570.24
  2. Specialty average$8,318.07

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

  1. Prohealth Partners, A Medical GroupLong Beach, CA

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

Ignacio Marcos Carrillo-Nunez among 2,339 neurology physician records in California

Ignacio Marcos Carrillo-Nunez, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1984 · median 2006 among the 1,628 with a school on file
  • Record last updated2016 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 Long Beach → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Saheil AboutalibLong Beach, CA 908131548551112
  2. Elinor Lin, M.D.Long Beach, CA 908131164683876
  3. Panos Marmarelis, PH.D., M.D.Long Beach, CA 908131275585622
  4. Haeryong Oh, M.D.Long Beach, CA 908151225206881
  5. Mahsa Matloobi, M.D.Long Beach, CA 908081609101211
  6. George Wang, M.D.Long Beach, CA 908081124344767
  7. Adam Moreno, DOLong Beach, CA 908071164045167
  8. Mary Dyes, M.D.Long Beach, CA 908061891737219

Common questions

What is Ignacio Marcos Carrillo-Nunez, M.D.'s NPI number?

Ignacio Marcos Carrillo-Nunez, M.D.'s National Provider Identifier (NPI) is 1205827201, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ignacio Marcos Carrillo-Nunez, M.D. located?

The NPPES record lists a practice address at 1045 Atlantic Ave, Long Beach, CA, 90813. Phone: (562) 591-1324. Providers update this record themselves, so call before visiting.

How can I verify Ignacio Marcos Carrillo-Nunez, M.D.'s license?

NPPES lists California license number A51049, 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.

How much does Ignacio Marcos Carrillo-Nunez, M.D. prescribe under Medicare Part D?

In 2024, Ignacio Marcos Carrillo-Nunez, M.D. had 617 Medicare Part D claims for 116 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

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.