NPPES file of Aug 9, 2026

Charles Hartman Hanson, M.D.

Pediatrics Physician · Walnut Creek, CA

Charles Hartman Hanson, M.D. is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1245243567, issued on Aug 15, 2006. Check the license (California G36822, 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
1245243567
Name
Charles Hartman Hanson
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G36822 CA
Self-reported in NPPES; status is on the state search
Practice location
1855 San Miguel Dr, Walnut Creek, CA 94596
Phone
(925) 930-8770
Enumerated
Aug 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 930-9338
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1855 San Miguel Dr

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

  1. Bret Annoni, D.D.S.General Practice Dentistry1982651295
  2. Bobby Aycock, M.D.Plastic Surgery Physician1063567873
  3. Joseph Barakeh, DO PHDOphthalmology Physician1013990613
  4. Michael Carpentier, D.D.S.General Practice Dentistry1568558476
  5. Mark Drucker, MDOphthalmology Physician1699753046
  6. Howard Friedman, PH.D.Clinical Neuropsychologist1578789780

Verify Charles Hartman 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 G36822
    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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94% fewer Medicare Part D claims than the average pediatrics physician in 2024

21 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Charles Hanson21
  2. Specialty average375

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.

57 pediatrics physician records list a practice address in Walnut Creek

They are 57 of the 6,170 NPPES records with a practice address in Walnut Creek, and 9,272 pediatrics physician records in California.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Zvart Abaryan, MDLos Angeles, CA1154940849
  7. Lauren Abbas, MDLos Angeles, CA1982163796
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. Denise AbbasiParadise, CA1770062341
  10. Alexandra Abbott, MDPalo Alto, CA1760018675

Common questions

What is Charles Hartman Hanson, M.D.'s NPI number?

Charles Hartman Hanson, M.D.'s National Provider Identifier (NPI) is 1245243567, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Hartman Hanson, M.D. located?

The NPPES record lists a practice address at 1855 San Miguel Dr, Walnut Creek, CA, 94596. Phone: (925) 930-8770. Providers update this record themselves, so call before visiting.

How can I verify Charles Hartman Hanson, M.D.'s license?

NPPES lists California license number G36822, 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 Charles Hartman Hanson, M.D. prescribe under Medicare Part D?

In 2024, Charles Hartman Hanson, M.D. had 21 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.