NPPES file of Aug 9, 2026

Lynn Katherine Maestretti, PA-C

Physician Assistant · Palo Alto, CA

Lynn Katherine Maestretti, PA-C is a physician assistant with a practice address in Palo Alto, California, and NPI 1710150024, issued on Apr 8, 2008. Check the license (California 19608, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710150024
Name
Lynn Katherine Maestretti
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
19608 CA
Self-reported in NPPES; status is on the state search
Practice location
725 Welch RD, Palo Alto, CA 94304
Phone
(650) 497-8000
Enumerated
Apr 8, 2008
Record last updated
Apr 21, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 725 Welch RD

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

  1. Shayda Abadi, NPNurse Practitioner1316745540
  2. Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
  3. Alexandra Abbott, MDPediatrics Physician1760018675
  4. Steven Abboud, MDAnesthesiology Physician1619364908
  5. Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
  6. Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235

Verify Lynn Katherine Maestretti 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 19608
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average physician assistant in 2024

58 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Lynn Maestretti58
  2. Specialty average830

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.

Lynn Katherine Maestretti among 14,451 physician assistant records in California

Lynn Katherine Maestretti, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

155 physician assistant records list a practice address in Palo Alto

They are 155 of the 7,617 NPPES records with a practice address in Palo Alto, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Tracy Berggren, PA-CPalo Alto, CA 943041407018468
  2. Camille Bloom, PA-CPalo Alto, CA 943041558670588
  3. Emily Dong, PA-CPalo Alto, CA 943041376853622
  4. Rosanna Duester, PA-CPalo Alto, CA 943041225280159
  5. Erin Frawley, PAPalo Alto, CA 943041942452149
  6. Jacqueline Julty, PA-CPalo Alto, CA 943041184759649
  7. Clair Kuriakose, PAPalo Alto, CA 943041710141718
  8. Katherine McEvoyPalo Alto, CA 943041952611469

Common questions

What is Lynn Katherine Maestretti, PA-C's NPI number?

Lynn Katherine Maestretti, PA-C's National Provider Identifier (NPI) is 1710150024, issued on Apr 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lynn Katherine Maestretti, PA-C 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 Lynn Katherine Maestretti, PA-C's license?

NPPES lists California license number 19608, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lynn Katherine Maestretti, PA-C prescribe under Medicare Part D?

In 2024, Lynn Katherine Maestretti, PA-C had 58 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.