Doug Marlis Williams, PA

  • Kaunakakai, HI
  • Physician assistant
NPI1033384011PAC ID6406026541
Medicare patients, 2024
162
Part D claims, 2024
781
Hospital affiliations
1
Industry payments
$483
Medical group
1
Practice address
280 Home Olu Place, Kaunakakai, HI 96748
Practice phone
Call (808) 553-5331
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Molokai General Hospital

Hospital · Kaunakakai, Hawaii

See all 3 affiliations

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Doug Marlis Williams is a physician assistant in Kaunakakai, Hawaii

Doug Williams practices at Molokai General Hospital in Kaunakakai, Hawaii, part of The Queen's Health Systems.

Doug Williams' NPI, 1033384011, was assigned on April 29, 2008. Doug Williams holds Hawaii license AMD536.

NPI and contact details
Medicare PAC ID
6406026541
NPI enumeration date
April 29, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(808) 553-5331
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Doug Marlis Williams practices at Molokai General Hospital in Kaunakakai, Hawaii

Doug Williams' primary practice is Molokai General Hospital, at 280 Home Olu Place, Kaunakakai, HI 96748 in Maui County. The practice phone is (808) 553-5331.

Source: Dmand AI Affiliation Data

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

Doug Williams' primary practice is Molokai General Hospital in Kaunakakai, Hawaii, part of The Queen's Health Systems. The medical group on file is Hawaiian Islands Dermatology. Dmand AI also links Doug Williams to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Doug Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Doug Marlis Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Doug Williams practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Molokai General HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Doug Marlis Williams is one of 84 physician assistants in Hawaii

Medical is Doug Williams' primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Dmand AI has Doug Williams' licenses on file in 2 states: Hawaii and California.

Specialties and state licenses

  • Medical physician assistant, HawaiiPrimaryLicense AMD536 · taxonomy 363AM0700X
  • California licenseLicense PA15136

Physician assistants near Doug Williams

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

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

Doug Marlis Williams treated 162 Medicare patients in 2024, average age 75

CMS counts 162 Medicare patients who saw Doug Williams in 2024. The largest group is 65 to 74, with 76 patients. 70% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Doug Williams' median patient age at 66, with 41% women.

Medicare patients, 2024162
Average age75
Average risk score0.93

Doug Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Doug Williams' Medicare patients by sex, 2024

  • Women8754%
  • Men7546%

Chronic conditions among Doug Williams' Medicare patients, 2024

  1. High cholesterol70%
  2. High blood pressure62%
  3. Arthritis38%
  4. Diabetes25%
  5. Chronic kidney disease19%
  6. Ischemic heart disease19%
  7. Mood disorders16%
  8. Anxiety15%

Share of Medicare patients with each condition. A patient can have several.

Doug Williams' patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women41%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Doug Marlis Williams wrote 781 Medicare Part D claims in 2024

In 2024, Doug Williams wrote 781 Medicare Part D claims for 187 patients. 82% of them were for generic drugs.

Part D claims, 2024781
Part D patients187

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

  • Generic644 claims82%
  • Brand-name137 claims18%

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

  • Opioids2%12 of 781 claims
  • Antibiotics15%120 of 781 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Doug Marlis Williams offers telehealth to Medicare patients

Doug Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Doug Williams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Doug Marlis Williams received $483 in industry payments in 2025

CMS Open Payments shows 21 general payments to Doug Williams from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $98.

Companies that paid Doug Williams the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Doug Williams

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

Sources for Doug Marlis 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Doug Marlis 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 Doug Marlis Williams' NPI number?

Doug Marlis Williams' NPI number is 1033384011. It was assigned on April 29, 2008, and it is active in the NPI Registry.

What does Doug Marlis Williams specialize in?

Doug Marlis Williams is a physician assistant in Kaunakakai, Hawaii. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Doug Marlis Williams practice?

Doug Williams practices at 280 Home Olu Place, Kaunakakai, HI 96748. Doug Williams' primary practice is Molokai General Hospital in Kaunakakai, Hawaii, part of The Queen's Health Systems. Dmand AI also links Doug Williams to 1 group practice or clinic.

What is Doug Marlis Williams' office phone number?

The practice phone on file for Doug Williams is (808) 553-5331.

What is Doug Marlis Williams' medical license number?

Doug Williams holds Hawaii license AMD536, one of the licenses on file in 2 states.

Which states has Doug Marlis Williams been licensed in?

Dmand AI has state licenses on file for Doug Williams in Hawaii and California.

Which hospitals is Doug Marlis Williams affiliated with?

Doug Williams practices at Molokai General Hospital in Kaunakakai, Hawaii.

What medical group is Doug Marlis Williams part of?

Doug Williams is linked to Hawaiian Islands Dermatology.

Does Doug Marlis Williams accept Medicare?

Yes. CMS lists Doug Williams as accepting Medicare assignment.

Does Doug Marlis Williams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Doug Williams as offering telehealth services.

Show 3 more questionsShow fewer questions

How many Medicare patients does Doug Marlis Williams see?

CMS counts 162 Medicare patients who saw Doug Williams in 2024, with an average age of 75.

Has Doug Marlis Williams received payments from drug or device companies?

CMS Open Payments shows $483 in general payments to Doug Williams from 11 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Doug Marlis Williams been practicing?

Doug Williams graduated from medical school in 2000, 26 years ago.

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