Allison Williams, PA-C

  • Indiana, PA
  • Physician assistant
NPI1821055799PAC ID7012946692
Part D claims, 2024
9,300
Hospital affiliations
1
Industry payments
$343
Medical group
1
State license
1
Practice address
835 Hospital Road, Indiana, PA 15701
Practice phone
Call (724) 357-7000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Indiana Regional Medical Center

Hospital · Indiana, Pennsylvania

See all 5 affiliations

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Allison Williams is a physician assistant in Indiana, Pennsylvania

Allison Williams practices at Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health.

Allison Williams' NPI, 1821055799, was assigned on April 26, 2006. Allison Williams holds Pennsylvania license MA051052.

NPI and contact details
Medicare PAC ID
7012946692
NPI enumeration date
April 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(724) 357-7000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

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

Allison Williams practices at Indiana Regional Medical Center in Indiana, Pennsylvania

Allison Williams' primary practice is Indiana Regional Medical Center, at 835 Hospital Road, Indiana, PA 15701 in Indiana County. The practice phone is (724) 357-7000.

Source: Dmand AI Affiliation Data

Allison Williams is affiliated with 4 sites of care and 1 medical group

Allison Williams' primary practice is Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health. The medical group on file is Klain Heasley Nettleton MD PC. Dmand AI also links Allison Williams to 2 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Allison Williams

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

Dmand AI tracks the EHR system at Allison Williams' practice

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

EHR by site
SiteEHR vendor and product
Indiana Regional Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Allison Williams is one of 3,022 physician assistants in Pennsylvania

Medical is Allison Williams' primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Allison Williams is licensed in Pennsylvania.

Specialties and state licenses

  • Medical physician assistant, PennsylvaniaPrimaryLicense MA051052 · taxonomy 363AM0700X

Physician assistants near Allison 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

Allison Williams' patients have a median age of 60

Across all payers, Dmand AI patient panel data puts Allison Williams' median patient age at 60, with 70% women.

Allison Williams' patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women70%
  • Men29%

Source: Dmand AI Patient Panel Data

Allison Williams wrote 9,300 Medicare Part D claims in 2024

In 2024, Allison Williams wrote 9,300 Medicare Part D claims for 748 patients. 88% of them were for generic drugs.

Part D claims, 20249,300
Part D patients748

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

  • Generic8,150 claims88%
  • Brand-name1,119 claims12%
  • Other31 claims0%

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

  • Opioids2%175 of 9,300 claims
  • Antibiotics3%300 of 9,300 claims
  • Antipsychotics, patients 65 and over1%76 of 9,300 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 Allison Williams takes part in Medicare

Allison 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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Allison Williams received $343 in industry payments in 2025

CMS Open Payments shows 23 general payments to Allison Williams from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $151.

Companies that paid Allison Williams the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Allison Williams

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

Sources for Allison 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 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 Allison 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 Allison Williams' NPI number?

Allison Williams' NPI number is 1821055799. It was assigned on April 26, 2006, and it is active in the NPI Registry.

What does Allison Williams specialize in?

Allison Williams is a physician assistant in Indiana, Pennsylvania. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Allison Williams practice?

Allison Williams practices at 835 Hospital Road, Indiana, PA 15701. Allison Williams' primary practice is Indiana Regional Medical Center in Indiana, Pennsylvania, part of Mountains Health. Dmand AI also links Allison Williams to 2 home health agencies and 1 group practice or clinic.

What is Allison Williams' office phone number?

The practice phone on file for Allison Williams is (724) 357-7000.

What is Allison Williams' medical license number?

Allison Williams holds Pennsylvania license MA051052.

Which hospitals is Allison Williams affiliated with?

Allison Williams practices at Indiana Regional Medical Center in Indiana, Pennsylvania.

What medical group is Allison Williams part of?

Allison Williams is linked to Klain Heasley Nettleton MD PC.

Does Allison Williams accept Medicare?

Yes. CMS lists Allison Williams as accepting Medicare assignment.

Has Allison Williams received payments from drug or device companies?

CMS Open Payments shows $343 in general payments to Allison Williams from 8 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Allison Williams been practicing?

Allison Williams graduated from medical school in 2002, 24 years ago.

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