Lynsey Michelle Barkoff, MSN, RN, CPNP
Nurse Practitioner · Palo Alto, CA
Lynsey Michelle Barkoff, MSN, RN, CPNP is a nurse practitioner with a practice address in Palo Alto, California, and NPI 1942640214, issued on Jul 1, 2013. Check the license (California 95000582, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynsey Michelle Barkoff
- Credential
- MSN, RN, CPNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 95000582 CA
848690 CA
382442 NY
661407 NY
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Jul 1, 2013
- Record last updated
- Mar 15, 2023
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Lynsey Michelle Barkoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95000582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average nurse practitioner in 2024
52 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tacrolimus17 claims
- Mycophenolate Mofetil12 claims
- Prednisone12 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.
Lynsey Michelle Barkoff among 8,223 nurse practitioner records in California
Lynsey Michelle Barkoff, MSN, RN, CPNP 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 2013, is newer than 39% of them.
- NPI issued2013 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2023 · 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.
All 8,223 in California → Every provider in Palo Alto → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Claire Abrajano, P.N.P.Palo Alto, CA 943041427147040
- Christina Almgren, NPPalo Alto, CA 943041700853165
- Kathryn Beall, NNPPalo Alto, CA 943041518027473
- Kristine Boyle, NPPalo Alto, CA 943041649368861
- Kathryn Esperance, R.N.P.Palo Alto, CA 943041316093768
- Kari Ksar, NPPalo Alto, CA 943041285790410
- Onica Kuch, NPPalo Alto, CA 943041588615181
- Tara Anne Laureano, NPPalo Alto, CA 943041720002322
Common questions
What is Lynsey Michelle Barkoff, MSN, RN, CPNP's NPI number?
Lynsey Michelle Barkoff, MSN, RN, CPNP's National Provider Identifier (NPI) is 1942640214, issued on Jul 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lynsey Michelle Barkoff, MSN, RN, CPNP located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Lynsey Michelle Barkoff, MSN, RN, CPNP's license?
NPPES lists California license number 95000582, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lynsey Michelle Barkoff, MSN, RN, CPNP prescribe under Medicare Part D?
In 2024, Lynsey Michelle Barkoff, MSN, RN, CPNP had 52 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.