NPPES file of Aug 9, 2026

Brian L. Hanson, M.D.

Gastroenterology Physician · Ukiah, CA

Brian L. Hanson, M.D. is a gastroenterology physician with a practice address in Ukiah, California, and NPI 1902916323, issued on Aug 30, 2006. Check the license (California G84433, 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
1902916323
Name
Brian L. Hanson
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G84433 CA
Self-reported in NPPES; status is on the state search
Practice location
415 Hospital Dr, Ukiah, CA 95482
Phone
(707) 462-1823
Enumerated
Aug 30, 2006
Record last updated
Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(707) 462-1940
Medicare enrollment
Enrolled (PECOS I20040616000870); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1992
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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Verify Brian L. Hanson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G84433
    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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13% more Medicare Part D claims than the average gastroenterology physician in 2024

916 Medicare Part D claims for 421 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Brian Hanson916
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium186 claims
  2. Omeprazole172 claims
  3. Gavilyte-G102 claims
  4. Famotidine87 claims
  5. Peg-3350 And Electrolytes72 claims
  6. Sod Sulf-Potass Sulf-Mag Sulf30 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: $453.25

17 payments; by number, the most common kind was food and beverage; the largest payer was Intercept Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Hanson$453.25
  2. Specialty average$5,015.95

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. Providence Medical FoundationSanta Rosa, CA

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

Brian L. Hanson among 2,140 gastroenterology physician records in California

Brian L. Hanson, M.D. is one of 2,140 gastroenterology 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1992 · median 2002 among the 1,538 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Craig Aronchick, MDUkiah, CA 954821710071774
  2. Brian Hauck, MDUkiah, CA 954821649384751
  3. Harry Matossian, M.D.Ukiah, CA 954821316945702
  4. Adriena Kajdos, M.D.Eureka, CA 955011699725325
  5. Kusum Stokes, M.D.Eureka, CA 955031386642130
  6. Sheldon Meshulam, MDArcata, CA 955211184720740
  7. Razi Arifuddin, MDSanta Rosa, CA 954051124085410
  8. Richard Auld, MDSanta Rosa, CA 954051144284290

Common questions

What is Brian L. Hanson, M.D.'s NPI number?

Brian L. Hanson, M.D.'s National Provider Identifier (NPI) is 1902916323, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian L. Hanson, M.D. located?

The NPPES record lists a practice address at 415 Hospital Dr, Ukiah, CA, 95482. Phone: (707) 462-1823. Providers update this record themselves, so call before visiting.

How can I verify Brian L. Hanson, M.D.'s license?

NPPES lists California license number G84433, 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 Brian L. Hanson, M.D. prescribe under Medicare Part D?

In 2024, Brian L. Hanson, M.D. had 916 Medicare Part D claims for 421 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.