NPPES file of Aug 9, 2026

Karen V. Jackson, MD

Family Medicine Physician · San Carlos, CA

Karen V. Jackson, MD is a family medicine physician with a practice address in San Carlos, California, and NPI 1285786087, issued on Jan 18, 2007. Check the license (California A67191, 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
1285786087
Name
Karen V. Jackson
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A67191 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Industrial RD, San Carlos, CA 94070
Phone
(650) 596-4000
Enumerated
Jan 18, 2007
Record last updated
May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00A671910 CA
Medicare enrollment
Enrolled (PECOS I20110110000264); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 301 Industrial RD

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

  1. Maria Katrina Abad, AGPCNP-BCNurse Practitioner1306394952
  2. Maryam Adeel, M.D.Family Medicine Physician1285163998
  3. Jennifer Akazawa, MDFamily Medicine Physician1457971772
  4. Sarah Alamillo, PA-CPhysician Assistant1306349352
  5. Judith Alderman, N.P.Nurse Practitioner1407225121
  6. Omar Aljundi, NPNurse Practitioner1811464811

Verify Karen V. Jackson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67191
    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

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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77% fewer Medicare Part D claims than the average family medicine physician in 2024

803 Medicare Part D claims for 112 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 11 claims were for opioids.

  1. Karen Jackson803
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium136 claims
  2. Levothyroxine Sodium60 claims
  3. Lisinopril48 claims
  4. Losartan Potassium27 claims
  5. Omeprazole26 claims
  6. Amlodipine Besylate25 claims

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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen V. Jackson among 17,133 family medicine physician records in California

Karen V. Jackson, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1997 · median 2005 among the 10,652 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 family medicine physician records list a practice address in San Carlos

They are 35 of the 1,015 NPPES records with a practice address in San Carlos, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kerri Ashling, MDSan Carlos, CA 940701154373587
  2. Catherine Baker, M.D.San Carlos, CA 940701639181852
  3. Richard Barrick, M.D.San Carlos, CA 940701629145040
  4. Margaret Chan, M.D.San Carlos, CA 940701265517791
  5. Kevin Chen, M.D.San Carlos, CA 940701881774420
  6. Steven Harris, M.D.San Carlos, CA 940701720298912
  7. Jolene Huie, MDSan Carlos, CA 940701235228867
  8. Wendy Landreville, M DSan Carlos, CA 940701427138015

Common questions

What is Karen V. Jackson, MD's NPI number?

Karen V. Jackson, MD's National Provider Identifier (NPI) is 1285786087, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen V. Jackson, MD located?

The NPPES record lists a practice address at 301 Industrial RD, San Carlos, CA, 94070. Phone: (650) 596-4000. Providers update this record themselves, so call before visiting.

How can I verify Karen V. Jackson, MD's license?

NPPES lists California license number A67191, 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 Karen V. Jackson, MD prescribe under Medicare Part D?

In 2024, Karen V. Jackson, MD had 803 Medicare Part D claims for 112 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.