NPPES file of Aug 9, 2026

Randall H. Chapman, MD

Ophthalmology Physician · Novato, CA

Randall H. Chapman, MD is an ophthalmology physician with a practice address in Novato, California, and NPI 1114093853, issued on Nov 27, 2006. Check the license (California 00A294500, 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
1114093853
Name
Randall H. Chapman
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
00A294500 CA
Self-reported in NPPES; status is on the state search
Practice location
1615 Hill RD, Novato, CA 94947
Phone
(415) 897-1022
Enumerated
Nov 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 897-7272
Medicaid ID
00A294500 CA
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 1615 Hill RD

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

  1. Jeffrey Amen, DPMPodiatrist1891771325
  2. Dallas Hickle, DDSOral and Maxillofacial Surgery (Dentist)1033256227
  3. Leahn Huffman, DDSDentist1497824122
  4. Melanie Johnson, PH.D.Clinical Child & Adolescent Psychologist1922208834
  5. Cathleen Schmitt, MDFamily Medicine Physician1457455818
  6. Nader Vafaie, DMDEndodontics1407911886

Verify Randall H. Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 00A294500
    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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98% fewer Medicare Part D claims than the average ophthalmology physician in 2024

28 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Randall Chapman28
  2. Specialty average1,518

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.

Randall H. Chapman among 2,899 ophthalmology physician records in California

Randall H. Chapman, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Arnold Rabin, M.D.Mill Valley, CA 949411487606828
  2. Roger Weeks, M.D.Petaluma, CA 949541235157611
  3. Abraham Weber, M.D.Larkspur, CA 949391750309936
  4. Harold HassinBelvedere, CA 949201699221192
  5. Lawrence Lonn, M.D.Belvedere, CA 949201275623373
  6. Robert Anderson, MDGreenbrae, CA 949041760487227
  7. Matthew BedellGreenbrae, CA 949041508159344
  8. Louisa Lu, MDGreenbrae, CA 949041285261289

Common questions

What is Randall H. Chapman, MD's NPI number?

Randall H. Chapman, MD's National Provider Identifier (NPI) is 1114093853, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randall H. Chapman, MD located?

The NPPES record lists a practice address at 1615 Hill RD, Novato, CA, 94947. Phone: (415) 897-1022. Providers update this record themselves, so call before visiting.

How can I verify Randall H. Chapman, MD's license?

NPPES lists California license number 00A294500, 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 Randall H. Chapman, MD prescribe under Medicare Part D?

In 2024, Randall H. Chapman, MD had 28 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. 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.