NPPES file of Aug 9, 2026

James C. O'Connell, NP

Primary Care Nurse Practitioner · San Mateo, CA

James C. O'Connell, NP is a primary care nurse practitioner with a practice address in San Mateo, California, and NPI 1568541951, issued on Nov 4, 2006. Check the license (California 95020240, 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
1568541951
Name
James C. O'Connell
Credential
NP
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License numbers
95020240 CA
DC 27503 CA
Self-reported in NPPES; status is on the state search
Practice location
225 37TH Ave, San Mateo, CA 94403
Phone
(650) 573-2958
Enumerated
Nov 4, 2006
Record last updated
Mar 23, 2022
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 primary care nurse practitioner records → All 1,131 in California → Look up another NPI →

Also registered at 225 37TH Ave

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

  1. Indiana Albanes, BASocial Worker1457509291
  2. Christian AlzubiMarriage & Family Therapist1861735409
  3. Laura Angel MartinezCommunity Health Worker1285077370
  4. Jennifer ArmstrongCase Manager/Care Coordinator1124513924
  5. Nicole Armstrong, M.A.Student in an Organized Health Care Education/Training Program1376975623
  6. Nabeel AsifStudent in an Organized Health Care Education/Training Program1700321593

Verify James C. O'Connell 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 95020240    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $34.68

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 4,321 providers of this specialty with any payment received $625.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James O'Connell$34.68
  2. Specialty average$625.13

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James C. O'Connell among 1,131 primary care nurse practitioner records in California

James C. O'Connell, NP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 93% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 35% of these records are
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Primary Care Nurse Practitioner providers in California

There are 1,131 primary care nurse practitioner records in California.

All 1,131 in California → Every provider in San Mateo → Primary Care Nurse Practitioner nationwide →

The 8 primary care nurse practitioner records with the nearest ZIP codes

  1. Sarah Bailey, AGNPSan Mateo, CA 944031497130090
  2. Farzaneh Raoufi, FNPSan Mateo, CA 944031710106737
  3. Matthew Sachs, MS, RN, AGPCNP-BCSan Mateo, CA 944031114408176
  4. Mary Nganga, NPSan Mateo, CA 944021578920880
  5. Liya KazangianPalo Alto, CA 943061366119307
  6. Noelle MartonAlameda, CA 945011699636191
  7. Mindy Wen, NPAlameda, CA 945011568562502
  8. Bambi Alexander-Banys, NP MSNPalo Alto, CA 943041326175316

Common questions

What is James C. O'Connell, NP's NPI number?

James C. O'Connell, NP's National Provider Identifier (NPI) is 1568541951, issued on Nov 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James C. O'Connell, NP located?

The NPPES record lists a practice address at 225 37TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2958. Providers update this record themselves, so call before visiting.

How can I verify James C. O'Connell, NP's license?

NPPES lists California license number 95020240, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.