NPPES file of Aug 9, 2026

Arnold Greenberg, M.D.

Neurology Physician · San Francisco, CA

Arnold Greenberg, M.D. is a neurology physician with a practice address in San Francisco, California, and NPI 1780616177, issued on Jul 7, 2006. Check the license (California A53456, 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
1780616177
Name
Arnold Greenberg
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A53456 CA
Self-reported in NPPES; status is on the state search
Practice location
2299 Post St, San Francisco, CA 94115
Phone
(415) 346-7505
Enumerated
Jul 7, 2006
Record last updated
Oct 5, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 346-7033
Medicaid ID
00A534562 CA
Medicare enrollment
Enrolled (PECOS I20071208000082); 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 2299 Post St

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

  1. Karina Arzumanova, M.DInternal Medicine Physician1437216090
  2. Andrea Austin, M.D.Dermatology Physician1730311507
  3. Rebecca Boardman, D.D.S.Prosthodontics1396892691
  4. Alla Boykoff, M.D.Internal Medicine Physician1629167747
  5. Konstantin Bukov, M.D.Family Medicine Physician1801044961
  6. Alan Coleman, M.D.Nephrology Physician1013089580

Verify Arnold Greenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A53456
    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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2.5 times the Medicare Part D claims of the average neurology physician in 2024

3,360 Medicare Part D claims for 428 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Arnold Greenberg3,360
  2. Specialty average1,370

Most prescribed

  1. Gabapentin488 claims
  2. Donepezil Hcl300 claims
  3. Escitalopram Oxalate259 claims
  4. Memantine Hcl249 claims
  5. Carbidopa-Levodopa173 claims
  6. Duloxetine Hcl139 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: $2,692.89

98 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, 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. Arnold Greenberg$2,692.89
  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.

Arnold Greenberg among 2,339 neurology physician records in California

Arnold Greenberg, 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
  • Graduated1977 · 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. Sara Doster, M.D.,PH.D.San Francisco, CA 941151467526079
  2. Kenneth Fox, MDSan Francisco, CA 941151710065370
  3. Marina Kasavin, M.D., PH.D.San Francisco, CA 941151326015132
  4. Jonathan Katz, M.D.San Francisco, CA 941151457372823
  5. Morris Levin, M.D.San Francisco, CA 941151538117403
  6. Aaron Lewis, MDSan Francisco, CA 941151255419750
  7. Ko-Myong Lieu, MDSan Francisco, CA 941151376513846
  8. Catherine Madison, M.D.San Francisco, CA 941151952329922

Common questions

What is Arnold Greenberg, M.D.'s NPI number?

Arnold Greenberg, M.D.'s National Provider Identifier (NPI) is 1780616177, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arnold Greenberg, M.D. located?

The NPPES record lists a practice address at 2299 Post St, San Francisco, CA, 94115. Phone: (415) 346-7505. Providers update this record themselves, so call before visiting.

How can I verify Arnold Greenberg, M.D.'s license?

NPPES lists California license number A53456, 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 Arnold Greenberg, M.D. prescribe under Medicare Part D?

In 2024, Arnold Greenberg, M.D. had 3,360 Medicare Part D claims for 428 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.