NPPES file of Aug 9, 2026

James A. McDowell, DDS

General Practice Dentistry · San Rafael, CA

James A. McDowell, DDS is a general practice dentistry with a practice address in San Rafael, California, and NPI 1033316302, issued on Jun 29, 2007. Check the license (California 45589, as entered in NPPES) with the California board that licenses this profession; 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
1033316302
Name
James A. McDowell
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
45589 CA
Self-reported in NPPES; status is on the state search
Practice location
1721 5TH Ave, San Rafael, CA 94901
Phone
(415) 453-4720
Enumerated
Jun 29, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 453-4727
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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8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 1721 5TH Ave

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

  1. Michelle Gonzalez, DDSOrthodontics and Dentofacial Orthopedics Dentistry1447378781
  2. Sophie Taylor, D.D.S.Dentist1477883080

Verify James A. McDowell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 45589    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
Find the California license search

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84% fewer Medicare Part D claims than the average general practice dentistry in 2024

13 Medicare Part D claims for 11 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. James McDowell13
  2. Specialty average83

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.

James A. McDowell among 17,852 general practice dentistry records in California

James A. McDowell, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 general practice dentistry records list a practice address in San Rafael

They are 47 of the 3,159 NPPES records with a practice address in San Rafael, and 17,852 general practice dentistry records in California.

All 17,852 in California → Every provider in San Rafael → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Eric Berger, DDSSan Rafael, CA 949011184755019
  2. Dipa Cappelen, DMDSan Rafael, CA 949011841392099
  3. Golirz Ghiassi, DDSSan Rafael, CA 949011497710248
  4. Gary Grablin, DDSSan Rafael, CA 949011033292255
  5. Brian Hennessy, D.D.S.San Rafael, CA 949011184838294
  6. Roberta Jurash, D.D.SSan Rafael, CA 949011871792937
  7. Kimball Kaufman, DDSSan Rafael, CA 949011588771331
  8. John Kirby, D.D.S.San Rafael, CA 949011891910311

Common questions

What is James A. McDowell, DDS's NPI number?

James A. McDowell, DDS's National Provider Identifier (NPI) is 1033316302, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James A. McDowell, DDS located?

The NPPES record lists a practice address at 1721 5TH Ave, San Rafael, CA, 94901. Phone: (415) 453-4720. Providers update this record themselves, so call before visiting.

How can I verify James A. McDowell, DDS's license?

NPPES lists California license number 45589, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does James A. McDowell, DDS prescribe under Medicare Part D?

In 2024, James A. McDowell, DDS had 13 Medicare Part D claims for 11 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.