Dr. William Cameron Maclellan, MD
- Part D claims, 2024
- 160
- Hospital affiliations
- 1
- Industry payments
- $2,486
- Medical groups
- 3
- State license
- 1
- Practice address
- 501 E Hampden Ave, Englewood, CO 80113
- Practice phone
- Call (303) 788-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maclellan'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 Cameron Maclellan is a general surgeon in Englewood, Colorado
Dr. Maclellan practices at HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare.
Dr. Maclellan's NPI, 1942705611, was assigned on March 26, 2018. Dr. Maclellan holds Colorado license DR.0063135.
- NPI
- 1942705611NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234485798
- NPI enumeration date
- March 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 788-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Cameron Maclellan practices at HCA HealthONE Swedish in Englewood, Colorado
Dr. Maclellan's primary practice is HCA HealthONE Swedish, at 501 E Hampden Ave, Englewood, CO 80113 in Arapahoe County. The practice phone is (303) 788-5000.
- HCA HealthONE Swedish501 E Hampden Ave, Englewood, CO 80113 · Arapahoe CountyPhone(303) 788-5000
Source: Dmand AI Affiliation Data
Dr. William Cameron Maclellan is affiliated with 4 sites of care and 3 medical groups
Dr. Maclellan's primary practice is HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare. The medical group on file is TACS Colorado. Dmand AI also links Dr. Maclellan to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Cameron Maclellan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maclellan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA HealthONE Swedish | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Cameron Maclellan is one of 504 general surgeons in Colorado
Surgery is Dr. Maclellan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Maclellan is licensed in Colorado.
Specialties and state licenses
- Surgery, ColoradoPrimary
General surgeons near Dr. Maclellan
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 Cameron Maclellan's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Maclellan's median patient age at 56, with 59% women.
Dr. Maclellan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. William Cameron Maclellan wrote 160 Medicare Part D claims in 2024
In 2024, Dr. Maclellan wrote 160 Medicare Part D claims for 54 patients. 99% of them were for generic drugs. CMS names the drug for 115 of them, across 5 drugs with 11 or more claims each, at $1,355 in total drug cost. In 2023, CMS named 63 claims across 3 drugs.
Dr. Maclellan's Part D claims by kind of drug, 2024
- Generic158 claims99%
- Brand-name and other2 claims1%
Dr. Maclellan'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. Maclellan's Part D claims, 2024
- Opioids11%18 of 160 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 632024: 11583%
Drugs named by CMS: 5 in 2024, 3 in 2023.
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 Cameron Maclellan ranks in the 72nd percentile for hernia repair (minimally invasive) in Medicare
Dr. Maclellan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of hernia repair (minimally invasive) by Dr. Maclellan, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Maclellan ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 57th percentile33 procedures
- Hernia repair (minimally invasive)
- 72nd percentile11 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Cameron Maclellan received $2,486 in industry payments from 2019 to 2025
CMS Open Payments shows 32 general payments to Dr. Maclellan from 14 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 52% of the total. Davol Inc. paid the most, $762.
General payments to Dr. Maclellan by program year, 2019 to 2025
General payments to Dr. Maclellan by kind, 2019 to 2025
- Food and beverage$1,29452%
- Travel and lodging$1,19248%
Companies that paid Dr. Maclellan the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Cameron Maclellan'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 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) |
| 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 Cameron Maclellan
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 Cameron Maclellan's NPI number?
Dr. William Cameron Maclellan's NPI number is 1942705611. It was assigned on March 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. William Cameron Maclellan?
Dr. William Cameron Maclellan is a general surgeon in Englewood, Colorado. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William Cameron Maclellan practice?
Dr. Maclellan practices at 501 E Hampden Ave, Englewood, CO 80113. Dr. Maclellan's primary practice is HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare. Dmand AI also links Dr. Maclellan to 3 group practices and clinics and 2 medical groups.
What is Dr. William Cameron Maclellan's office phone number?
The practice phone on file for Dr. Maclellan is (303) 788-5000.
What is Dr. William Cameron Maclellan's medical license number?
Dr. Maclellan holds Colorado license DR.0063135.
Which hospitals is Dr. William Cameron Maclellan affiliated with?
Dr. Maclellan practices at HCA HealthONE Swedish in Englewood, Colorado.
What medical group is Dr. William Cameron Maclellan part of?
Dr. Maclellan is linked to TACS Colorado. Dmand AI links Dr. Maclellan to 2 more medical groups.
Does Dr. William Cameron Maclellan accept Medicare?
Yes. CMS lists Dr. Maclellan as accepting Medicare assignment.
What drugs does Dr. William Cameron Maclellan prescribe most?
In 2024 Medicare Part D data, Dr. Maclellan's most prescribed drugs by claims were Pantoprazole Sodium, Ondansetron ODT and Famotidine.
Has Dr. William Cameron Maclellan received payments from drug or device companies?
CMS Open Payments shows $2,486 in general payments to Dr. Maclellan from 14 companies from 2019 to 2025. The largest total came from Davol Inc.
How long has Dr. William Cameron Maclellan been practicing?
Dr. Maclellan graduated from medical school in 2017, 9 years ago.
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