Lauren Williams, PA-C

  • Petaluma, CA
  • Physician assistant
NPI1437563624
Part D claims, 2024
1,925
Industry payments
$66
Affiliated sites
1
Medical group
1
State license
1
Practice address
1455 N McDowell Blvd, Petaluma, CA 94954
Practice phone
Call (415) 663-8666
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Point Reyes Medical Clinic

Petaluma, California

See all 3 affiliations

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Lauren Williams is a physician assistant in Petaluma, California

Lauren Williams practices at Point Reyes Medical Clinic in Petaluma, California.

Lauren Williams' NPI, 1437563624, was assigned on June 16, 2014. Lauren Williams holds California license 51649.

NPI and contact details
NPI enumeration date
June 16, 2014
NPI status
Active
Practice phone
(415) 663-8666
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Lauren Williams practices at Point Reyes Medical Clinic in Petaluma, California

Lauren Williams' primary practice is Point Reyes Medical Clinic, at 1455 N McDowell Blvd, Petaluma, CA 94954 in Sonoma County. The practice phone is (415) 663-8666.

  • Point Reyes Medical Clinic
    1455 N McDowell Blvd, Petaluma, CA 94954 · Sonoma CountyPhone(415) 663-8666

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Lauren Williams is affiliated with 2 sites of care and 1 medical group

Lauren Williams' primary practice is Point Reyes Medical Clinic in Petaluma, California. The medical group on file is Petaluma Health Center. Dmand AI also links Lauren Williams to 1 more community health center, named with a free account.

See all 3 affiliations for Lauren Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Lauren Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lauren Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Point Reyes Medical ClinicAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Lauren Williams is one of 2,381 physician assistants in California

Medical is Lauren Williams' primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Lauren Williams is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Lauren Williams is licensed in California.

Specialties and state licenses

  • Medical physician assistant, CaliforniaPrimaryLicense 51649 · taxonomy 363AM0700X

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, carpal tunnel syndrome, chronic lung disease, chronic obstructive pulmonary disease (COPD), contact dermatitis, diabetic emergency and drug use disorders among the conditions Lauren Williams treats.

Physician assistants near Lauren Williams

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

2,381physician assistants in California
6physician assistants in Petaluma

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Lauren Williams' patients have a median age of 57

Across all payers, Dmand AI patient panel data puts Lauren Williams' median patient age at 57, with 70% women.

Lauren Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women70%
  • Men29%

Source: Dmand AI Patient Panel Data

Lauren Williams wrote 1,925 Medicare Part D claims in 2024

In 2024, Lauren Williams wrote 1,925 Medicare Part D claims for 793 patients. 83% of them were for generic drugs. CMS names the drug for 1,244 of them, across 55 drugs with 11 or more claims each, at $127,759 in total drug cost.

Part D claims, 20241,925
Drugs named by CMS55
Total drug cost$127,759
Part D patients793

Lauren Williams' Part D claims by kind of drug, 2024

  • Generic1,598 claims83%
  • Brand-name305 claims16%
  • Other22 claims1%

Lauren Williams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Lauren Williams' Part D claims, 2024

  • Opioids4%79 of 1,925 claims
  • Antibiotics4%75 of 1,925 claims
  • Antipsychotics, patients 65 and over2%31 of 1,925 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Lauren Williams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Lauren Williams received $66 in industry payments from 2024 to 2025

CMS Open Payments shows 3 general payments to Lauren Williams from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $66.

General payments to Lauren Williams by program year, 2024 to 2025

Companies that paid Lauren Williams the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Lauren Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Lauren Williams is board certified in certified physician assistant

Lauren Williams is a member of AAPA.

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Lauren Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Lauren Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Lauren Williams' NPI number?

Lauren Williams' NPI number is 1437563624. It was assigned on June 16, 2014, and it is active in the NPI Registry.

What does Lauren Williams specialize in?

Lauren Williams is a physician assistant in Petaluma, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Lauren Williams practice?

Lauren Williams practices at 1455 N McDowell Blvd, Petaluma, CA 94954. Lauren Williams' primary practice is Point Reyes Medical Clinic in Petaluma, California. Dmand AI also links Lauren Williams to 1 community health center.

What is Lauren Williams' office phone number?

The practice phone on file for Lauren Williams is (415) 663-8666.

What is Lauren Williams' medical license number?

Lauren Williams holds California license 51649.

What medical group is Lauren Williams part of?

Lauren Williams is linked to Petaluma Health Center.

Is Lauren Williams board certified?

Yes. Lauren Williams is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does Lauren Williams prescribe most?

In 2024 Medicare Part D data, Lauren Williams' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Gabapentin.

Has Lauren Williams received payments from drug or device companies?

CMS Open Payments shows $66 in general payments to Lauren Williams from 1 company from 2024 to 2025. The largest total came from Novo Nordisk Inc.

How long has Lauren Williams been practicing?

Lauren Williams' NPI was assigned in 2014.

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