NPPES file of Aug 9, 2026

Benjamin Gross, M.D.

Neurology Physician · Los Angeles, CA

Benjamin Gross, M.D. is a neurology physician with a practice address in Los Angeles, California, and NPI 1124053665, issued on Jul 12, 2006. Check the license (California G41777, 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
1124053665
Name
Benjamin Gross
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
G41777 CA
Self-reported in NPPES; status is on the state search
Practice location
6221 Wilshire Blvd, Los Angeles, CA 90048
Phone
(323) 939-1689
Enumerated
Jul 12, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(323) 939-7084
Medicare enrollment
Enrolled (PECOS I20051027000604); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1976
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 6221 Wilshire Blvd

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

  1. Joseph Arzadon, PTAPhysical Therapy Assistant1669831715
  2. Behnam Baseri, D.D.S.Dentist1699220608
  3. Erma Benitez, M.D.Dermatology Physician1972635282
  4. Alyssa Berlin, PSYDPsychologist1548458060
  5. Elliot Berlin, DCChiropractor1356432991
  6. David Bluestone, M.D.Pediatrics Physician1740329804

Verify Benjamin Gross in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G41777
    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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44% fewer Medicare Part D claims than the average neurology physician in 2024

774 Medicare Part D claims for 83 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 24 claims were for opioids.

  1. Benjamin Gross774
  2. Specialty average1,370

Most prescribed

  1. Gabapentin75 claims
  2. Lorazepam53 claims
  3. Levetiracetam47 claims
  4. Donepezil Hcl36 claims
  5. Alprazolam30 claims
  6. Phenobarbital27 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: $985.24

29 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, 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. Benjamin Gross$985.24
  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 2 group practices

  1. Dymphna San Diego Tms IncChula Vista, CA
  2. Neurological Institute OF Los AngelesLos Angeles, CA

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

Benjamin Gross among 2,339 neurology physician records in California

Benjamin Gross, 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 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
  • Graduated1976 · median 2006 among the 1,628 with a school on file
  • Record last updated2007 · 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. Cameron Adams, M.D.West Hollywood, CA 900481346247392
  2. Karen Altman, MDWest Hollywood, CA 900481518912211
  3. Robert Baloh, MD PHDWest Hollywood, CA 900481164440699
  4. Andrew Blumenfeld, M.D.Los Angeles, CA 900481164459913
  5. Yvette Bordelon, MDLos Angeles, CA 900481922023449
  6. Maria Brickman, M.D.Los Angeles, CA 900481538107230
  7. Jeffrey Chung, MDWest Hollywood, CA 900481437106366
  8. Douglas Davies, M.D.Los Angeles, CA 900481326073222

Common questions

What is Benjamin Gross, M.D.'s NPI number?

Benjamin Gross, M.D.'s National Provider Identifier (NPI) is 1124053665, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Gross, M.D. located?

The NPPES record lists a practice address at 6221 Wilshire Blvd, Los Angeles, CA, 90048. Phone: (323) 939-1689. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Gross, M.D.'s license?

NPPES lists California license number G41777, 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 Benjamin Gross, M.D. prescribe under Medicare Part D?

In 2024, Benjamin Gross, M.D. had 774 Medicare Part D claims for 83 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.