NPPES file of Aug 9, 2026

Barry Irwin Ludwig, MD

Neurology Physician · Santa Monica, CA

Barry Irwin Ludwig, MD is a neurology physician with a practice address in Santa Monica, California, and NPI 1457379836, issued on Jul 17, 2006. Check the license (California G36708, 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
1457379836
Name
Barry Irwin Ludwig
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
G36708 CA
Self-reported in NPPES; status is on the state search
Practice location
2811 Wilshire Blvd Suite 508, Santa Monica, CA 90403
Phone
(424) 387-4001
Enumerated
Jul 17, 2006
Record last updated
Jul 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(424) 387-4005
Medicaid ID
GR0022710 CA
Medicare enrollment
Enrolled (PECOS I20090507000658); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1971
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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Verify Barry Irwin Ludwig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G36708
    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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86% fewer Medicare Part D claims than the average neurology physician in 2024

186 Medicare Part D claims for 23 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Barry Ludwig186
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam30 claims
  2. Paroxetine Hcl17 claims
  3. Gabapentin14 claims
  4. Tizanidine Hcl11 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: $100.20

1 payment: food and beverage; the largest payer was TG Therapeutics, 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. Barry Ludwig$100.20
  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.

Barry Irwin Ludwig among 2,339 neurology physician records in California

Barry Irwin Ludwig, MD 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1971 · median 2006 among the 1,628 with a school on file
  • Record last updated2019 · 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.

The 8 neurology physician records with the nearest ZIP codes

  1. Margaret Adler, MDSanta Monica, CA 904031457518276
  2. Marisa Chang, MDSanta Monica, CA 904031730348269
  3. Dorothy Dada, MD, PHDSanta Monica, CA 904031528479383
  4. Shamsha Doran, MDSanta Monica, CA 904031508065947
  5. Daniel Franc, MDSanta Monica, CA 904031548589799
  6. Michael Ho, M.D.Santa Monica, CA 904031013171834
  7. Santosh Kesari, MD PHDSanta Monica, CA 904031891785960
  8. Doojin Kim, MDSanta Monica, CA 904031487679858

Common questions

What is Barry Irwin Ludwig, MD's NPI number?

Barry Irwin Ludwig, MD's National Provider Identifier (NPI) is 1457379836, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barry Irwin Ludwig, MD located?

The NPPES record lists a practice address at 2811 Wilshire Blvd Suite 508, Santa Monica, CA, 90403. Phone: (424) 387-4001. Providers update this record themselves, so call before visiting.

How can I verify Barry Irwin Ludwig, MD's license?

NPPES lists California license number G36708, 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 Barry Irwin Ludwig, MD prescribe under Medicare Part D?

In 2024, Barry Irwin Ludwig, MD had 186 Medicare Part D claims for 23 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.

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.