Matthew Davis Williams, PA-C

  • Falls Church, VA
  • Physician assistant
NPI1881375020PAC ID7517304165
Part D claims, 2024
39
Hospital affiliations
4
Industry payments
$18
Medical groups
2
State license
1
Practice address
3300 Gallows Rd, Falls Church, VA 22046
Practice phone
Call (703) 698-3659
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Inova Fairfax Hospital - Unit

Acute Care Hospital-Unit · Falls Church, Virginia

See all 6 affiliations

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Matthew Davis Williams is a physician assistant in Falls Church, Virginia

Matthew Williams practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.

Matthew Williams' NPI, 1881375020, was assigned on July 31, 2023.

NPI and contact details
Medicare PAC ID
7517304165
NPI enumeration date
July 31, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(703) 698-3659
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
29
Medical school graduation
2023

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

Matthew Davis Williams practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia

Matthew Williams' primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.

  • Inova Fairfax Hospital - Unit
    3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659

Source: Dmand AI Affiliation Data

Matthew Davis Williams is affiliated with 4 sites of care and 2 medical groups

Matthew Williams' primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Matthew Williams is also affiliated with Inova Fairfax Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Matthew Williams to 2 more hospitals and 1 medical group, each named with a free account.

See all 6 affiliations for Matthew Williams

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Matthew Davis Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Williams practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Inova Fairfax Hospital - UnitAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Matthew Davis Williams is one of 3,636 physician assistants in Virginia

Physician assistant is Matthew Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Matthew 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

Matthew Davis Williams' patients have a median age of 77

Across all payers, Dmand AI patient panel data puts Matthew Williams' median patient age at 77, with 45% women.

Matthew Williams' patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women45%
  • Men55%

Source: Dmand AI Patient Panel Data

Matthew Davis Williams wrote 39 Medicare Part D claims in 2024

In 2024, Matthew Williams wrote 39 Medicare Part D claims for 21 patients. 72% of them were for generic drugs.

Part D claims, 202439
Part D patients21

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

  • Generic28 claims72%
  • Brand-name and other11 claims28%

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

  • Antibiotics38%15 of 39 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

How Matthew Davis Williams takes part in Medicare

Matthew Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Matthew Davis Williams received $18 in industry payments in 2025

CMS Open Payments shows 1 general payment to Matthew Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $18.

Companies that paid Matthew Williams the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Matthew Williams

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

Sources for Matthew Davis 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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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 Matthew Davis 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 Matthew Davis Williams' NPI number?

Matthew Davis Williams' NPI number is 1881375020. It was assigned on July 31, 2023, and it is active in the NPI Registry.

What does Matthew Davis Williams specialize in?

Matthew Davis Williams is a physician assistant in Falls Church, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Matthew Davis Williams practice?

Matthew Williams practices at 3300 Gallows Rd, Falls Church, VA 22046. Matthew Williams' primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Matthew Williams to 2 hospitals and 1 medical group.

What is Matthew Davis Williams' office phone number?

The practice phone on file for Matthew Williams is (703) 698-3659.

Which hospitals is Matthew Davis Williams affiliated with?

Matthew Williams is affiliated with Inova Fairfax Hospital. Dmand AI links Matthew Williams to 3 more hospitals.

What medical group is Matthew Davis Williams part of?

Matthew Williams is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Matthew Williams to 1 more medical group.

Does Matthew Davis Williams accept Medicare?

Yes. CMS lists Matthew Williams as accepting Medicare assignment.

Has Matthew Davis Williams received payments from drug or device companies?

CMS Open Payments shows $18 in general payments to Matthew Williams from 1 company from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Matthew Davis Williams been practicing?

Matthew Williams graduated from medical school in 2023, 3 years ago.

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