NPPES file of Aug 9, 2026

Jennifer S. Lo, PA

Physician Assistant · Sonoma, CA

Jennifer S. Lo, PA is a physician assistant with a practice address in Sonoma, California, and NPI 1467599290, issued on Jan 31, 2007. Check the license (California PA 15243, 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
1467599290
Name
Jennifer S. Lo
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA 15243 CA
Self-reported in NPPES; status is on the state search
Practice location
462 W Napa St Ste A, Sonoma, CA 95476
Phone
(707) 935-5600
Enumerated
Jan 31, 2007
Record last updated
Nov 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(707) 935-5606
Medicare enrollment
Enrolled (PECOS I20070831000551); 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 462 W Napa St Ste A

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

  1. Noah Weiss, MDOrthopaedic Surgery Physician1225126444

Verify Jennifer S. Lo 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 PA 15243
    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

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74% fewer Medicare Part D claims than the average physician assistant in 2024

213 Medicare Part D claims for 107 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 122 claims were for opioids.

  1. Jennifer Lo213
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen86 claims
  2. Naproxen60 claims
  3. Oxycodone-Acetaminophen21 claims
  4. Tramadol Hcl13 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.

Industry payments in 2024: $341.19

4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Lo$341.19
  2. Specialty average$841.65

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. Noah D Weiss MD IncSonoma, CA

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

Jennifer S. Lo among 14,451 physician assistant records in California

Jennifer S. Lo, PA 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 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 78% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1999 · median 2018 among the 7,214 with a school on file
  • Record last updated2020 · 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).

8 physician assistant records list a practice address in Sonoma

They are 8 of the 395 NPPES records with a practice address in Sonoma, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Patricia Albertoni-Stillman, P.A.Sonoma, CA 954761780727578
  2. Jarrett Lew, PA-CSonoma, CA 954761922698406
  3. Steven Mickelson, PASonoma, CA 954761477673804
  4. Sarah SloughSonoma, CA 954761912659806
  5. Sara Stratton, PA-CSonoma, CA 954761477832996
  6. Nasreen TaymureeSonoma, CA 954761316176431
  7. Christopher Teich, PA-CSonoma, CA 954761942512454
  8. Kevin Deutsche, RPA-CSebastopol, CA 954721982752440

Common questions

What is Jennifer S. Lo, PA's NPI number?

Jennifer S. Lo, PA's National Provider Identifier (NPI) is 1467599290, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer S. Lo, PA located?

The NPPES record lists a practice address at 462 W Napa St Ste A, Sonoma, CA, 95476. Phone: (707) 935-5600. Providers update this record themselves, so call before visiting.

How can I verify Jennifer S. Lo, PA's license?

NPPES lists California license number PA 15243, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer S. Lo, PA prescribe under Medicare Part D?

In 2024, Jennifer S. Lo, PA had 213 Medicare Part D claims for 107 beneficiaries; 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.