Dr. William James Selkirk, MD
- Part D claims, 2024
- 46
- Hospital affiliations
- 3
- Industry payments
- $27
- Medical group
- 1
- State license
- 1
- Practice address
- 115 W Silver St, Westfield, MA 01086
- Practice phone
- Call (502) 596-6346
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Noble Hospital - Unit
Acute Care Hospital-Unit · Westfield, Massachusetts
Find Dr. Selkirk'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.
Dr. William James Selkirk is a general surgeon in Westfield, Massachusetts
Dr. Selkirk practices at Noble Hospital - Unit in Westfield, Massachusetts.
Dr. Selkirk's NPI, 1689296964, was assigned on May 10, 2020. Dr. Selkirk graduated from University of Massachusetts Medical School in 2020. Dr. Selkirk holds Massachusetts license 1024292.
- NPI
- 1689296964NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042637225
- NPI enumeration date
- May 10, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (502) 596-6346
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William James Selkirk practices at Noble Hospital - Unit in Westfield, Massachusetts
Dr. Selkirk's primary practice is Noble Hospital - Unit, at 115 W Silver St, Westfield, MA 01086 in Hampden County. The practice phone is (502) 596-6346.
- Noble Hospital - Unit115 W Silver St, Westfield, MA 01086 · Hampden CountyPhone(502) 596-6346
Source: Dmand AI Affiliation Data
Dr. William James Selkirk is affiliated with 6 sites of care and 1 medical group
Dr. Selkirk's primary practice is Noble Hospital - Unit in Westfield, Massachusetts. Dr. Selkirk is also affiliated with Baystate Noble Hospital. The medical group on file is Baystate Medical Practices. Dmand AI also links Dr. Selkirk to 1 more hospital, 1 breast imaging center, 1 home health agency and 1 hospital outpatient department, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William James Selkirk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Selkirk practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Noble Hospital - Unit | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William James Selkirk is one of 732 general surgeons in Massachusetts
Surgery is Dr. Selkirk's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Selkirk is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Selkirk
Counts of general surgeons 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
Dr. William James Selkirk's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Selkirk's median patient age at 64, with 50% women.
Dr. Selkirk's 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
- Women50%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. William James Selkirk wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Selkirk wrote 46 Medicare Part D claims for 33 patients. 98% of them were for generic drugs. CMS names the drug for 30 of them, across 1 drug with 11 or more claims each, at $61 in total drug cost.
Dr. Selkirk's Part D claims by kind of drug, 2024
- Generic45 claims98%
- Brand-name and other1 claims2%
Dr. Selkirk's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Selkirk's Part D claims, 2024
- Opioids65%30 of 46 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William James Selkirk ranks in the 86th percentile for hernia repair (minimally invasive) in Medicare
Dr. Selkirk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Selkirk as offering telehealth. CMS counts 18 procedures of hernia repair (minimally invasive) by Dr. Selkirk, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Selkirk ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 86th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William James Selkirk received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Selkirk from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Olympus Corporation of the Americas paid the most, $27.
Companies that paid Dr. Selkirk the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William James Selkirk graduated from University of Massachusetts Medical School
Dr. Selkirk graduated from University of Massachusetts Medical School in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William James Selkirk'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. William James Selkirk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William James Selkirk's NPI number?
Dr. William James Selkirk's NPI number is 1689296964. It was assigned on May 10, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. William James Selkirk?
Dr. William James Selkirk is a general surgeon in Westfield, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William James Selkirk practice?
Dr. Selkirk practices at 115 W Silver St, Westfield, MA 01086. Dr. Selkirk's primary practice is Noble Hospital - Unit in Westfield, Massachusetts. Dmand AI also links Dr. Selkirk to 1 hospital, 1 breast imaging center, 1 home health agency and 1 hospital outpatient department.
What is Dr. William James Selkirk's office phone number?
The practice phone on file for Dr. Selkirk is (502) 596-6346.
What is Dr. William James Selkirk's medical license number?
Dr. Selkirk holds Massachusetts license 1024292.
Which hospitals is Dr. William James Selkirk affiliated with?
Dr. Selkirk is affiliated with Baystate Noble Hospital. Dmand AI links Dr. Selkirk to 2 more hospitals.
What medical group is Dr. William James Selkirk part of?
Dr. Selkirk is linked to Baystate Medical Practices.
Does Dr. William James Selkirk accept Medicare?
Yes. CMS lists Dr. Selkirk as accepting Medicare assignment.
Does Dr. William James Selkirk offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Selkirk as offering telehealth services.
Where did Dr. William James Selkirk go to medical school?
Dr. Selkirk graduated from University of Massachusetts Medical School in 2020.
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What drugs does Dr. William James Selkirk prescribe most?
In 2024 Medicare Part D data, Dr. Selkirk's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. William James Selkirk received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Selkirk from 1 company from 2025 to 2025. The largest total came from Olympus Corporation of the Americas.
How long has Dr. William James Selkirk been practicing?
Dr. Selkirk graduated from medical school in 2020, 6 years ago.
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