NPPES file of Aug 9, 2026

Benjamin Joseph Nichols, MD

Dermatology Physician · Greenbrae, CA

Benjamin Joseph Nichols, MD is a dermatology physician with a practice address in Greenbrae, California, and NPI 1790983237, issued on Jul 5, 2007. Check the license (California A97389, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790983237
Name
Benjamin Joseph Nichols
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
A97389 CA
Self-reported in NPPES; status is on the state search
Practice location
1300 S Eliseo Dr, Greenbrae, CA 94904
Phone
(415) 925-0550
Enumerated
Jul 5, 2007
Record last updated
Oct 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(415) 925-9062
Medicare enrollment
Enrolled (PECOS I20090908000053); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2005
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 1300 S Eliseo Dr

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

  1. Noor Azimi, MDColon & Rectal Surgery Physician1902908288
  2. Anne Cummings, M.D.Internal Medicine Physician1619917028
  3. Genevieve Estilo, MDNephrology Physician1558560482
  4. Lawrence Levy, M.D.Specialist1780609750
  5. Mark Peterson, MDSurgery Physician1831130863
  6. Cicely Smith, D.D.S.Pediatric Dentistry1225478936

Verify Benjamin Joseph Nichols in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A97389
    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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37% more Medicare Part D claims than the average dermatology physician in 2024

1,092 Medicare Part D claims for 456 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Benjamin Nichols1,092
  2. Specialty average797

Most prescribed

  1. Minoxidil216 claims
  2. Clobetasol Propionate93 claims
  3. Ketoconazole76 claims
  4. Triamcinolone Acetonide66 claims
  5. Doxycycline Monohydrate58 claims
  6. Nystatin44 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,726.61

66 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benjamin Nichols$1,726.61
  2. Specialty average$8,544.61

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. Greenbrae Dermatology, A Medical CorporationGreenbrae, CA

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

Benjamin Joseph Nichols among 2,083 dermatology physician records in California

Benjamin Joseph Nichols, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2005 · median 2006 among the 1,450 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. John Maddox, MDGreenbrae, CA 949041790837508
  2. Diana Parnell, M.D.Greenbrae, CA 949041811926652
  3. Kristen Chen, MDSan Rafael, CA 949031952930604
  4. Ravinder Gogia, MDSan Rafael, CA 949031083872618
  5. Julia Haimowitz, MDSan Rafael, CA 949031205910205
  6. Renee Howard, M.D.San Rafael, CA 949031952336232
  7. Linda Hwang, MDSan Rafael, CA 949031124102116
  8. Estelle Kahn, MDSan Rafael, CA 949031336465517

Common questions

What is Benjamin Joseph Nichols, MD's NPI number?

Benjamin Joseph Nichols, MD's National Provider Identifier (NPI) is 1790983237, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Joseph Nichols, MD located?

The NPPES record lists a practice address at 1300 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 925-0550. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Joseph Nichols, MD's license?

NPPES lists California license number A97389, 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 Joseph Nichols, MD prescribe under Medicare Part D?

In 2024, Benjamin Joseph Nichols, MD had 1,092 Medicare Part D claims for 456 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Benjamin Joseph Nichols, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.