NPPES file of Aug 9, 2026

James Scott Sinnott, MD

Critical Care Medicine (Internal Medicine) Physician · San Rafael, CA

James Scott Sinnott, MD is a critical care medicine (internal medicine) physician with a practice address in San Rafael, California, and NPI 1427132414, issued on Oct 25, 2006. Check the license (California G45552, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427132414
Name
James Scott Sinnott
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
G45552 CA
Self-reported in NPPES; status is on the state search
Practice location
99 Montecillo RD, San Rafael, CA 94903
Phone
(415) 444-2000
Enumerated
Oct 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G455520 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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8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →

Also registered at 99 Montecillo RD

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

  1. Scott Adelman, MDCardiovascular Disease Physician1396829362
  2. Navid AfrahPhysical Therapist1275997017
  3. Omar Ahmed, PHARMDAmbulatory Care Pharmacist1285254037
  4. Mary Air, M.D.Physical Medicine & Rehabilitation Physician1376772913
  5. Tarik Alagha, MDInternal Medicine Physician1740869676
  6. Paul Alpert, MDUrology Physician1417031402

Verify James Scott Sinnott in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45552    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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James Scott Sinnott among 723 critical care medicine (internal medicine) physician records in California

James Scott Sinnott, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 60% newer
  • In a Medicare fileNo · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2007 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 723 in California → Every provider in San Rafael → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Patricia Bell, MDSan Rafael, CA 949031316021397
  2. Laura Eberhard, MDSan Rafael, CA 949031609955749
  3. Jacob Adams, DONovato, CA 949451558595090
  4. Robert Newbury, MDNovato, CA 949451528086287
  5. Jeffrey Tobias, MDPetaluma, CA 949521144718875
  6. Abid Majid, MDSan Pablo, CA 948061902828486
  7. Sherene El-Sioufi, D.O.Cupertino, CA 950141205940657
  8. Ameeta Kharbanda, M.D.Cupertino, CA 950141568616365

Common questions

What is James Scott Sinnott, MD's NPI number?

James Scott Sinnott, MD's National Provider Identifier (NPI) is 1427132414, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Scott Sinnott, MD located?

The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2000. Providers update this record themselves, so call before visiting.

How can I verify James Scott Sinnott, MD's license?

NPPES lists California license number G45552, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.