NPPES file of Aug 9, 2026

Jeannine A. O'Brien, PA-C

Surgical Physician Assistant · Carmichael, CA

Jeannine A. O'Brien, PA-C is a surgical physician assistant with a practice address in Carmichael, California, and NPI 1598879793, issued on Aug 18, 2006. Check the license (California PA14186, 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
1598879793
Name
Jeannine A. O'Brien
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA14186 CA
Self-reported in NPPES; status is on the state search
Practice location
6555 Coyle Ave, Carmichael, CA 95608
Phone
(916) 200-0087
Enumerated
Aug 18, 2006
Record last updated
May 9, 2016 (not updated in 10 years: call before relying on the address or phone)
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 6555 Coyle Ave

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

  1. Megan Anasco, O.D.Optometrist1154422798
  2. Kimberly Beatty, FNP-CFamily Nurse Practitioner1164895553
  3. Gregory Blair, M.D.Hematology & Oncology Physician1598731291
  4. Andrew Bozdech, MDHospitalist Physician1962540575
  5. Ying Brown, M.D.Family Medicine Physician1407063357
  6. Mary Chrisman, NP-CNurse Practitioner1750886412

Verify Jeannine A. O'Brien 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 PA14186
    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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90% fewer Medicare Part D claims than the average surgical physician assistant in 2024

30 Medicare Part D claims for 21 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.

  1. Jeannine O'Brien30
  2. Specialty average304

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.

Jeannine A. O'Brien among 1,075 surgical physician assistant records in California

Jeannine A. O'Brien, PA-C is one of 1,075 surgical physician assistant 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 74% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Erin Audrain, P.A.Carmichael, CA 956081598713943
  2. Dennis Balough, PA-CCarmichael, CA 956081508200452
  3. John Miles, PA-CCarmichael, CA 956081598896953
  4. Linnea Renwick, PA-CCarmichael, CA 956081235916800
  5. Jonathan Sanz, PA-CCarmichael, CA 956081902273485
  6. Theodore Coates, PA-CDavis, CA 956161821018557
  7. Aaron Iwanyczko, P.A.Davis, CA 956161093781288
  8. Connor O'KeefeFolsom, CA 956301851083430

Common questions

What is Jeannine A. O'Brien, PA-C's NPI number?

Jeannine A. O'Brien, PA-C's National Provider Identifier (NPI) is 1598879793, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeannine A. O'Brien, PA-C located?

The NPPES record lists a practice address at 6555 Coyle Ave, Carmichael, CA, 95608. Phone: (916) 200-0087. Providers update this record themselves, so call before visiting.

How can I verify Jeannine A. O'Brien, PA-C's license?

NPPES lists California license number PA14186, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jeannine A. O'Brien, PA-C prescribe under Medicare Part D?

In 2024, Jeannine A. O'Brien, PA-C had 30 Medicare Part D claims for 21 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.