Dr. William R. Macmaster Jr., MD
- Medicare services, 2021
- 39
- Part D claims, 2020
- 75
- Hospital affiliations
- 1
- Medical groups
- 4
- State license
- 1
- Practice address
- 1515 Village Drive, Cottage Grove, OR 97424
- Practice phone
- Call (541) 942-0511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Macmaster'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 R. Macmaster Jr. is a family medicine physician in Hopewell, Virginia
Dr. Macmaster practices at PeaceHealth Cottage Grove Community Medical Center in Cottage Grove, Oregon, part of PeaceHealth.
Dr. Macmaster's NPI, 1164557054, was assigned on February 22, 2007. Dr. Macmaster holds Oregon license MD25408.
- NPI
- 1164557054NPI Registry (opens in a new tab)
- NPI enumeration date
- February 22, 2007
- NPI status
- Active
- Practice phone
- (541) 942-0511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William R. Macmaster Jr. practices in Cottage Grove and Hopewell
Dr. Macmaster's primary practice is PeaceHealth Cottage Grove Community Medical Center, at 1515 Village Drive, Cottage Grove, OR 97424 in Lane County. The practice phone is (541) 942-0511. The NPI Registry lists Dr. Macmaster's practice address as 411 Randolph W Rd, Hopewell, VA 23860.
- PeaceHealth Cottage Grove Community Medical CenterPrimary1515 Village Drive, Cottage Grove, OR 97424 · Lane CountyPhone(541) 942-0511
- NPI Registry address411 Randolph W Rd, Hopewell, VA 23860 · Hopewell CityPhone(360) 514-4441
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. William R. Macmaster Jr. is affiliated with 1 site of care and 4 medical groups
Dr. Macmaster's primary practice is PeaceHealth Cottage Grove Community Medical Center in Cottage Grove, Oregon, part of PeaceHealth. The medical group on file is Jefferson Community Physicians. Dmand AI also links Dr. Macmaster to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William R. Macmaster Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macmaster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PeaceHealth Cottage Grove Community Medical Center | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William R. Macmaster Jr. is one of 3,459 family medicine physicians in Virginia
Family medicine is Dr. Macmaster's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Macmaster is licensed in Oregon.
Specialties and state licenses
- Family medicine, OregonPrimary
Family medicine physicians near Dr. Macmaster
Counts of family medicine physicians 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 R. Macmaster Jr. billed Medicare for 39 services in 2021
CMS data shows 39 Medicare services from Dr. Macmaster across 3 procedure codes in 2021, all of them office visits. Medicare paid $1,389 for them. Every service was in an office.
Dr. Macmaster's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 992021: 3961%
Dr. Macmaster compared with the Virginia median for family medicine physicians, 2021
- Dr. Macmaster
- Virginia median
- Medicare services
- 39vs 54393% below
- Part D claims
- 75vs 72190% below
Medians across 3,387 family medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Macmaster's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William R. Macmaster Jr.'s patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Macmaster's median patient age at 41, with 55% women.
Dr. Macmaster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. William R. Macmaster Jr. wrote 75 Medicare Part D claims in 2020
In 2020, Dr. Macmaster wrote 75 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $574 in total drug cost. In 2019, CMS named 68 claims across 3 drugs.
Dr. Macmaster's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 682020: 7510%
Drugs named by CMS: 4 in 2020, 3 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. William R. Macmaster Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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 R. Macmaster Jr.
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 R. Macmaster Jr.'s NPI number?
Dr. William R. Macmaster Jr.'s NPI number is 1164557054. It was assigned on February 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William R. Macmaster Jr.?
Dr. William R. Macmaster Jr. is a family medicine physician in Hopewell, Virginia. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William R. Macmaster Jr. practice?
Dr. Macmaster practices at 1515 Village Drive, Cottage Grove, OR 97424. Dr. Macmaster also practices at 411 Randolph W Rd, Hopewell, VA 23860. Dr. Macmaster's primary practice is PeaceHealth Cottage Grove Community Medical Center in Cottage Grove, Oregon, part of PeaceHealth. Dmand AI also links Dr. Macmaster to 3 medical groups.
What is Dr. William R. Macmaster Jr.'s office phone number?
The practice phone on file for Dr. Macmaster is (541) 942-0511.
What is Dr. William R. Macmaster Jr.'s medical license number?
Dr. Macmaster holds Oregon license MD25408.
Which hospitals is Dr. William R. Macmaster Jr. affiliated with?
Dr. Macmaster practices at PeaceHealth Cottage Grove Community Medical Center in Cottage Grove, Oregon.
What medical group is Dr. William R. Macmaster Jr. part of?
Dr. Macmaster is linked to Jefferson Community Physicians. Dmand AI links Dr. Macmaster to 3 more medical groups.
Does Dr. William R. Macmaster Jr. accept Medicare?
Yes. CMS data shows Dr. Macmaster billed Medicare for 39 services in 2021.
What services does Dr. William R. Macmaster Jr. bill to Medicare?
In 2021, Dr. Macmaster's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99211) and office visit, established patient (99214).
What drugs does Dr. William R. Macmaster Jr. prescribe most?
In 2020 Medicare Part D data, Dr. Macmaster's most prescribed drugs by claims were Cephalexin, Doxycycline Monohydrate and Prednisone.
How long has Dr. William R. Macmaster Jr. been practicing?
Dr. Macmaster's NPI was assigned in 2007.
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