Dr. William R. McDonald, MD
- Medicare services, 2024
- 659
- Medicare patients, 2024
- 463
- Part D claims, 2024
- 107
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Practice address
- 155 Glasson Way, Grass Valley, CA 95945
- Practice phone
- Call (530) 274-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. McDonald'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. McDonald is an emergency medicine physician in Grass Valley, California
Dr. McDonald practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health.
Dr. McDonald's NPI, 1568099315, was assigned on March 23, 2020. Dr. McDonald graduated from Medical College Of Wisconsin in 2020. Dr. McDonald holds California license A179165.
- NPI
- 1568099315NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486019312
- NPI enumeration date
- March 23, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 274-6000
- 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 R. McDonald practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California
Dr. McDonald's primary practice is Dignity Health - Sierra Nevada Memorial Hospital, at 155 Glasson Way, Grass Valley, CA 95945 in Nevada County. The practice phone is (530) 274-6000.
- Dignity Health - Sierra Nevada Memorial Hospital155 Glasson Way, Grass Valley, CA 95945 · Nevada CountyPhone(530) 274-6000
Source: Dmand AI Affiliation Data
Dr. William R. McDonald is affiliated with 4 sites of care and 3 medical groups
Dr. McDonald's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. Dr. McDonald is also affiliated with UC Davis Medical Center. The medical group on file is Swope Medical Group Inc. Dmand AI also links Dr. McDonald to 2 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 R. McDonald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McDonald practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Sierra Nevada Memorial Hospital | 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 R. McDonald is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. McDonald's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. McDonald is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. McDonald is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. McDonald
Counts of emergency 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. McDonald billed Medicare for 659 services in 2024
CMS data shows 659 Medicare services from Dr. McDonald across 5 procedure codes in 2024, for 463 Medicare patients. Medicare paid $61,179 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McDonald's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 982024: 486396%
- Tests and treatments
- 2023: 02024: 173
Dr. McDonald compared with the California median for emergency medicine physicians, 2024
- Dr. McDonald
- California median
- Medicare services
- 659vs 2652.5 times
- Medicare patients
- 463vs 24391% above
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. McDonald's most billed Medicare procedure codes, 2024
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. McDonald treated 463 Medicare patients in 2024, average age 74
CMS counts 463 Medicare patients who saw Dr. McDonald in 2024. The largest group is 65 to 74, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McDonald's median patient age at 71, with 56% women.
Dr. McDonald's Medicare patients by age, 2024
Dr. McDonald's Medicare patients by sex, 2024
- Women25655%
- Men20745%
Chronic conditions among Dr. McDonald's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Mood disorders37%
- Ischemic heart disease35%
- Anxiety34%
- Depression33%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. McDonald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William R. McDonald wrote 107 Medicare Part D claims in 2024
In 2024, Dr. McDonald wrote 107 Medicare Part D claims for 87 patients. 96% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $572 in total drug cost.
Dr. McDonald's Part D claims by kind of drug, 2024
- Generic103 claims96%
- Brand-name and other4 claims4%
Dr. McDonald'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. McDonald's Part D claims, 2024
- Antibiotics52%56 of 107 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 R. McDonald scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. McDonald for performance year 2024, reported as part of a group. Dr. McDonald accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McDonald's MIPS scores, performance year 2024
- 94of 100Final score
- 88.6of 100Quality
- 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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Dr. William R. McDonald graduated from Medical College Of Wisconsin
Dr. McDonald graduated from Medical College Of Wisconsin in 2020.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. William R. McDonald accepts plans from 1 insurance carrier
Dr. McDonald is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. William R. McDonald'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 R. McDonald
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. McDonald's NPI number?
Dr. William R. McDonald's NPI number is 1568099315. It was assigned on March 23, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. William R. McDonald?
Dr. William R. McDonald is an emergency medicine physician in Grass Valley, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. William R. McDonald practice?
Dr. McDonald practices at 155 Glasson Way, Grass Valley, CA 95945. Dr. McDonald's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. Dmand AI also links Dr. McDonald to 2 group practices and clinics and 2 medical groups.
What is Dr. William R. McDonald's office phone number?
The practice phone on file for Dr. McDonald is (530) 274-6000.
What is Dr. William R. McDonald's medical license number?
Dr. McDonald holds California license A179165.
Which hospitals is Dr. William R. McDonald affiliated with?
Dr. McDonald practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California. Dr. McDonald is also affiliated with UC Davis Medical Center.
What medical group is Dr. William R. McDonald part of?
Dr. McDonald is linked to Swope Medical Group Inc. Dmand AI links Dr. McDonald to 2 more medical groups.
Does Dr. William R. McDonald accept Medicare?
Yes. CMS data shows Dr. McDonald billed Medicare for 659 services in 2024, and Dr. McDonald accepts Medicare assignment.
What is Dr. William R. McDonald's MIPS score?
Dr. McDonald's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. William R. McDonald see?
CMS counts 463 Medicare patients who saw Dr. McDonald in 2024, with an average age of 74.
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Is Dr. William R. McDonald board certified?
Yes. Dr. McDonald is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. William R. McDonald bill to Medicare?
In 2024, Dr. McDonald's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. William R. McDonald go to medical school?
Dr. McDonald graduated from Medical College Of Wisconsin in 2020.
What drugs does Dr. William R. McDonald prescribe most?
In 2024 Medicare Part D data, Dr. McDonald's most prescribed drugs by claims were Cefpodoxime Proxetil.
How long has Dr. William R. McDonald been practicing?
Dr. McDonald graduated from medical school in 2020, 6 years ago.
What insurance does Dr. William R. McDonald accept?
Dr. McDonald is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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