Heather Williams, PA-C
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 86
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 123 Summer Street, Worcester, MA 01608
- Practice phone
- Call (508) 363-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Heather 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.
Heather Williams is a physician assistant in Worcester, Massachusetts
Heather Williams practices at Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare.
Heather Williams' NPI, 1386645687, was assigned on August 9, 2005. Heather Williams holds Massachusetts license 1824.
- NPI
- 1386645687NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638145329
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 363-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Heather Williams practices at Saint Vincent Hospital in Worcester, Massachusetts
Heather Williams' primary practice is Saint Vincent Hospital, at 123 Summer Street, Worcester, MA 01608 in Worcester County. The practice phone is (508) 363-5000.
- Saint Vincent Hospital123 Summer Street, Worcester, MA 01608 · Worcester CountyPhone(508) 363-5000
Source: Dmand AI Affiliation Data
Heather Williams is affiliated with 3 sites of care and 2 medical groups
Heather Williams' primary practice is Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare. Heather Williams is also affiliated with UMass Memorial Health - Harrington Hospital. The medical group on file is Saint Vincent Medical Group. Dmand AI also links Heather Williams to 1 more hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Heather Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Heather Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Vincent Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Tenet Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Heather Williams is one of 3,922 physician assistants in Massachusetts
Physician assistant is Heather Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Heather Williams is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Heather 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
Heather Williams treated 184 Medicare patients in 2024, average age 71
CMS counts 184 Medicare patients who saw Heather Williams in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have arthritis, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Heather Williams' median patient age at 64, with 56% women.
Heather Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Heather Williams' Medicare patients by sex, 2024
- Women11361%
- Men7139%
Chronic conditions among Heather Williams' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure65%
- Anxiety38%
- Ischemic heart disease28%
- Mood disorders26%
- Diabetes24%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Heather Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Heather Williams wrote 86 Medicare Part D claims in 2024
In 2024, Heather Williams wrote 86 Medicare Part D claims for 61 patients. 98% of them were for generic drugs.
Heather Williams' Part D claims by kind of drug, 2024
- Generic84 claims98%
- Brand-name and other2 claims2%
Drug classes CMS tracks in Heather Williams' Part D claims, 2024
- Opioids69%59 of 86 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 Heather Williams takes part in Medicare
Heather 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Heather 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 Heather 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 Heather Williams' NPI number?
Heather Williams' NPI number is 1386645687. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What does Heather Williams specialize in?
Heather Williams is a physician assistant in Worcester, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Heather Williams practice?
Heather Williams practices at 123 Summer Street, Worcester, MA 01608. Heather Williams' primary practice is Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare. Dmand AI also links Heather Williams to 1 hospital outpatient department and 1 medical group.
What is Heather Williams' office phone number?
The practice phone on file for Heather Williams is (508) 363-5000.
What is Heather Williams' medical license number?
Heather Williams holds Massachusetts license 1824.
Which hospitals is Heather Williams affiliated with?
Heather Williams practices at Saint Vincent Hospital in Worcester, Massachusetts. Heather Williams is also affiliated with UMass Memorial Health - Harrington Hospital.
What medical group is Heather Williams part of?
Heather Williams is linked to Saint Vincent Medical Group. Dmand AI links Heather Williams to 1 more medical group.
Does Heather Williams accept Medicare?
Yes. CMS lists Heather Williams as accepting Medicare assignment.
How many Medicare patients does Heather Williams see?
CMS counts 184 Medicare patients who saw Heather Williams in 2024, with an average age of 71.
How long has Heather Williams been practicing?
Heather Williams graduated from medical school in 2004, 22 years ago.
Selling to physician assistant practices?
See physician assistants in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card