NPPES file of Aug 9, 2026

Megan Larsen, CRNP

Nurse Practitioner · Palo Alto, CA

Megan Larsen, CRNP is a nurse practitioner with a practice address in Palo Alto, California, and NPI 1043231376, issued on Jul 21, 2006. Check the license 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
1043231376
Name
Megan Larsen
Credential
CRNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
5010208 NC
Self-reported in NPPES; status is on the state search
Practice location
195 Page Mill RD Ste 103, Palo Alto, CA 94306
Phone
(999) 999-9999
Enumerated
Jul 21, 2006
Record last updated
Feb 1, 2026
Medicare enrollment
Enrolled (PECOS I20180320001417); 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 195 Page Mill RD Ste 103

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

  1. Christine Ackerman, NPNurse Practitioner1659748747
  2. Kelsey Adams, MSN, R.N., F.N.P.Family Nurse Practitioner1295069516
  3. Ellen Allen, FNPNurse Practitioner1457059271
  4. Samantha Allnutt, FNP-CFamily Nurse Practitioner1487176046
  5. Katrina Armstrong, WHNPWomen's Health Nurse Practitioner1457975849
  6. Sonia Bajwa-DulaiInternal Medicine Physician1336429711

Verify Megan Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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45% fewer Medicare Part D claims than the average nurse practitioner in 2024

607 Medicare Part D claims for 160 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 18 claims were for opioids.

  1. Megan Larsen607
  2. Specialty average1,109

Most prescribed

  1. Tamoxifen Citrate187 claims
  2. Letrozole42 claims
  3. Ondansetron Hcl37 claims
  4. Lidocaine-Prilocaine33 claims
  5. Estradiol28 claims
  6. Levothyroxine Sodium17 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  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: $1,398.34

54 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Megan Larsen$1,398.34
  2. Specialty average$791.64

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. Providence Imaging Center IncHendersonville, NC

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

Megan Larsen among 8,223 nurse practitioner records in California

Megan Larsen, CRNP is one of 8,223 nurse practitioner records with a practice address in California. 65% 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, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2001 · median 2017 among the 3,425 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

318 nurse practitioner records list a practice address in Palo Alto

They are 318 of the 7,617 NPPES records with a practice address in Palo Alto, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Christine Ackerman, NPPalo Alto, CA 943061659748747
  2. Maxine Bellamy, FNP-CPalo Alto, CA 943061770562696
  3. Sarah Bonomo, NP-CPalo Alto, CA 943061730642745
  4. Robin Boselli-Kao, BSN, RNPPalo Alto, CA 943061265512156
  5. Brenda Jones, WHNPPalo Alto, CA 943061811177280
  6. Leslie Lang, NPPalo Alto, CA 943061457366130
  7. Cheryl Miller, NPPalo Alto, CA 943061356504203
  8. Amy Murphy, N.P.Palo Alto, CA 943061821430281

Common questions

What is Megan Larsen, CRNP's NPI number?

Megan Larsen, CRNP's National Provider Identifier (NPI) is 1043231376, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Megan Larsen, CRNP located?

The NPPES record lists a practice address at 195 Page Mill RD Ste 103, Palo Alto, CA, 94306. Phone: (999) 999-9999. Providers update this record themselves, so call before visiting.

How can I verify Megan Larsen, CRNP's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Megan Larsen, CRNP prescribe under Medicare Part D?

In 2024, Megan Larsen, CRNP had 607 Medicare Part D claims for 160 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Megan Larsen, CRNP's MIPS final score?

The 2023 MIPS final score is 100 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.