NPPES file of Aug 9, 2026

Kathleen Lombard Poston, M.D.

Clinical Neurophysiology Physician · Stanford, CA

Kathleen Lombard Poston, M.D. is a clinical neurophysiology physician with a practice address in Stanford, California, and NPI 1114053808, issued on Feb 26, 2007. Check the license (California A86599, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114053808
Name
Kathleen Lombard Poston
Credential
M.D.
Primary taxonomy
Clinical Neurophysiology Physician 2084N0600X
License number
A86599 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Feb 26, 2007
Record last updated
Nov 13, 2023
Medicare enrollment
Enrolled (PECOS I20081229000456); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2002
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Kathleen Lombard Poston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A86599
    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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64% fewer Medicare Part D claims than the average clinical neurophysiology physician in 2024

572 Medicare Part D claims for 48 beneficiaries, against an average of 1,586 among the 319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Kathleen Poston572
  2. Specialty average1,586

Most prescribed

  1. Carbidopa-Levodopa98 claims
  2. Clonazepam61 claims
  3. Carbidopa-Levodopa Er60 claims
  4. Mirtazapine44 claims
  5. Donepezil Hcl21 claims
  6. Lamotrigine20 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Kathleen Lombard Poston among 71 clinical neurophysiology physician records in California

Kathleen Lombard Poston, M.D. is one of 71 clinical neurophysiology physician records with a practice address in California. 80% 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 34% of them.

  • NPI issued2007 · 34% of these records are older, 56% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · median 2007 among the 49 with a school on file
  • Record last updated2023 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neurophysiology Physician providers in California

There are 71 clinical neurophysiology physician records in California.

The 8 clinical neurophysiology physician records with the nearest ZIP codes

  1. Helen Bronte-Stewart, MDStanford, CA 943051295786804
  2. Sungho Cho, MDStanford, CA 943051932152360
  3. Safwan Jaradeh, MDStanford, CA 943051730130576
  4. Maya Katz, MDStanford, CA 943051427218304
  5. James Langston, MDStanford, CA 943051659306371
  6. Leslie Lee, M.D.Stanford, CA 943051932115219
  7. Christopher Lock, MDStanford, CA 943051427205061
  8. Jaime Lopez, MDStanford, CA 943051033288014

Common questions

What is Kathleen Lombard Poston, M.D.'s NPI number?

Kathleen Lombard Poston, M.D.'s National Provider Identifier (NPI) is 1114053808, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Lombard Poston, M.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Lombard Poston, M.D.'s license?

NPPES lists California license number A86599, 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 Kathleen Lombard Poston, M.D. prescribe under Medicare Part D?

In 2024, Kathleen Lombard Poston, M.D. had 572 Medicare Part D claims for 48 beneficiaries; the average among clinical neurophysiology physician prescribers was 1,586. Part D covers Medicare prescriptions only.

What is Kathleen Lombard Poston, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.