NPPES file of Aug 9, 2026

Chelsea Lynne Outhier, ACNP

Acute Care Nurse Practitioner · Stanford, CA

Chelsea Lynne Outhier, ACNP is an acute care nurse practitioner with a practice address in Stanford, California, and NPI 1568930360, issued on Nov 9, 2018. Check the license (California 95026523, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568930360
Name
Chelsea Lynne Outhier
Credential
ACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
95026523 CA
5021232 NC
AP139355 TX
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Nov 9, 2018
Record last updated
Mar 7, 2025
Medicare enrollment
Enrolled (PECOS I20250225002795); accepts Medicare assignment
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 Chelsea Lynne Outhier 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 95026523
    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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77% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

139 Medicare Part D claims for 50 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Chelsea Outhier139
  2. Specialty average594

Most prescribed

  1. Metoprolol Succinate21 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): 75.3 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 score68.1
  2. Costout of 100 · 30%49.5
  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).

Industry payments in 2024: $56.45

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chelsea Outhier$56.45
  2. Specialty average$647.94

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

Bills Medicare through one group practice

  1. Carolinas Physicians Network IncCharlotte, NC

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

Chelsea Lynne Outhier among 1,810 acute care nurse practitioner records in California

Chelsea Lynne Outhier, ACNP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 43% of them.

  • NPI issued2018 · 43% of these records are older, 50% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2018 · median 2018 among the 993 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in California

There are 1,810 acute care nurse practitioner records in California.

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

  1. Jesus Alfaro, RN,MSN,ACNP-BCStanford, CA 943051447531801
  2. Ryan DaughertyStanford, CA 943051184931446
  3. Teresa Donohoe, RN-NPStanford, CA 943051487926689
  4. Christine Hartley, NPStanford, CA 943051386806370
  5. Waiyee Kwong, NPStanford, CA 943051508102690
  6. Evelyn Lopez, CNS, NPStanford, CA 943051861642506
  7. Salma MansourPalo Alto, CA 943051497193205
  8. Patricia McQueenStanford, CA 943051891042107

Common questions

What is Chelsea Lynne Outhier, ACNP's NPI number?

Chelsea Lynne Outhier, ACNP's National Provider Identifier (NPI) is 1568930360, issued on Nov 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Lynne Outhier, ACNP 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 Chelsea Lynne Outhier, ACNP's license?

NPPES lists California license number 95026523, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Chelsea Lynne Outhier, ACNP prescribe under Medicare Part D?

In 2024, Chelsea Lynne Outhier, ACNP had 139 Medicare Part D claims for 50 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

What is Chelsea Lynne Outhier, ACNP's MIPS final score?

The 2023 MIPS final score is 75.3 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.