William P. Simpson, PA-C
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 756
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 123 Medical Center Drive, Brunswick, ME 04011
- Practice phone
- Call (207) 729-0181
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Simpson's 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.
William P. Simpson is a physician assistant in Brunswick, Maine
William Simpson practices at MaineHealth Mid Coast Hospital in Brunswick, Maine, part of MaineHealth.
William Simpson's NPI, 1194789073, was assigned on April 17, 2006. William Simpson graduated from University of New England, College of Osteo Medicine in 2004. William Simpson holds Maine license PA001285.
- NPI
- 1194789073NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123081122
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 729-0181
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
William P. Simpson practices at MaineHealth Mid Coast Hospital in Brunswick, Maine
William Simpson's primary practice is MaineHealth Mid Coast Hospital, at 123 Medical Center Drive, Brunswick, ME 04011 in Cumberland County. The practice phone is (207) 729-0181.
- MaineHealth Mid Coast Hospital123 Medical Center Drive, Brunswick, ME 04011 · Cumberland CountyPhone(207) 729-0181
Source: Dmand AI Affiliation Data
William P. Simpson is affiliated with 4 sites of care and 1 medical group
William Simpson's primary practice is MaineHealth Mid Coast Hospital in Brunswick, Maine, part of MaineHealth. William Simpson is also affiliated with MaineHealth Lincoln Hospital. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links William Simpson to 1 more clinical lab 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 William P. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Simpson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Mid Coast Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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William P. Simpson is one of 813 physician assistants in Maine
Physician assistant is William Simpson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has William Simpson's licenses on file in 2 states: Maine and Kansas.
Specialties and state licenses
- Physician assistant, MainePrimary
- Kansas license
Physician assistants near William Simpson
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
William P. Simpson treated 129 Medicare patients in 2024, average age 75
CMS counts 129 Medicare patients who saw William Simpson in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have arthritis, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Simpson's median patient age at 74, with 60% women.
William Simpson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Simpson's Medicare patients by sex, 2024
- Women8566%
- Men4434%
Chronic conditions among William Simpson's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Ischemic heart disease32%
- Mood disorders31%
- Chronic kidney disease28%
- Depression25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
William Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William P. Simpson wrote 756 Medicare Part D claims in 2024
In 2024, William Simpson wrote 756 Medicare Part D claims for 267 patients. 98% of them were for generic drugs.
William Simpson's Part D claims by kind of drug, 2024
- Generic743 claims98%
- Brand-name13 claims2%
Drug classes CMS tracks in William Simpson's Part D claims, 2024
- Opioids47%352 of 756 claims
- Antibiotics30%228 of 756 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
William P. Simpson scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for William Simpson for performance year 2024, reported through an alternative payment model (APM). William Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Simpson's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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William P. Simpson graduated from University of New England, College of Osteo Medicine
William Simpson graduated from University of New England, College of Osteo Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William P. Simpson'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 William P. Simpson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William P. Simpson's NPI number?
William P. Simpson's NPI number is 1194789073. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What does William P. Simpson specialize in?
William P. Simpson is a physician assistant in Brunswick, Maine. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William P. Simpson practice?
William Simpson practices at 123 Medical Center Drive, Brunswick, ME 04011. William Simpson's primary practice is MaineHealth Mid Coast Hospital in Brunswick, Maine, part of MaineHealth. Dmand AI also links William Simpson to 1 clinical lab and 1 group practice or clinic.
What is William P. Simpson's office phone number?
The practice phone on file for William Simpson is (207) 729-0181.
What is William P. Simpson's medical license number?
William Simpson holds Maine license PA001285, one of the licenses on file in 2 states.
Which states has William P. Simpson been licensed in?
Dmand AI has state licenses on file for William Simpson in Maine and Kansas.
Which hospitals is William P. Simpson affiliated with?
William Simpson practices at MaineHealth Mid Coast Hospital in Brunswick, Maine. William Simpson is also affiliated with MaineHealth Lincoln Hospital.
What medical group is William P. Simpson part of?
William Simpson is linked to MaineHealth Primary Care - Family Medicine - Portland.
Does William P. Simpson accept Medicare?
Yes. CMS lists William Simpson as accepting Medicare assignment.
What is William P. Simpson's MIPS score?
William Simpson's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
Show 3 more questionsShow fewer questions
How many Medicare patients does William P. Simpson see?
CMS counts 129 Medicare patients who saw William Simpson in 2024, with an average age of 75.
Where did William P. Simpson go to medical school?
William Simpson graduated from University of New England, College of Osteo Medicine in 2004.
How long has William P. Simpson been practicing?
William Simpson graduated from medical school in 2004, 22 years ago.
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