Allison Williams, PA-C
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Allison Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1821055799NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012946692
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 357-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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.
- Indiana Regional Medical Center835 Hospital Road, Indiana, PA 15701 · Indiana CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Indiana Regional Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mountains Health and 6.2K+ hospitals, with verified contacts in the same login.
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, PennsylvaniaPrimary
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.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Allison Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Allison Williams
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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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