William M. Bader, PA-C
- Medicare patients, 2024
- 495
- Part D claims, 2024
- 646
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $515
- Practice address
- 1115 Boulders Pkwy, North Chesterfield, VA 23225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chippenham Ambulatory Surgery Center, LLC - HOPD
Acute Care Hospital outpatient department · North Chesterfield, Virginia
Find William Bader'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 M. Bader is a physician assistant in North Chesterfield, Virginia
William Bader practices at Chippenham Ambulatory Surgery Center, LLC - HOPD in North Chesterfield, Virginia.
William Bader's NPI, 1639616097, was assigned on January 24, 2017. William Bader holds Virginia license 0110-005614.
- NPI
- 1639616097NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668758509
- NPI enumeration date
- January 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William M. Bader practices at Chippenham Ambulatory Surgery Center, LLC - HOPD in North Chesterfield, Virginia
William Bader's primary practice is Chippenham Ambulatory Surgery Center, LLC - HOPD, at 1115 Boulders Pkwy, North Chesterfield, VA 23225.
- Chippenham Ambulatory Surgery Center, LLC - HOPD1115 Boulders Pkwy, North Chesterfield, VA 23225
Source: Dmand AI Affiliation Data
William M. Bader is affiliated with 4 sites of care and 1 medical group
William Bader's primary practice is Chippenham Ambulatory Surgery Center, LLC - HOPD in North Chesterfield, Virginia. William Bader is also affiliated with Chippenham Hospital. The medical group on file is OrthoVirginia. Dmand AI also links William Bader to 1 more group practice or clinic and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William M. Bader's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Bader practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chippenham Ambulatory Surgery Center, LLC - HOPD | 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 M. Bader is one of 3,636 physician assistants in Virginia
Physician assistant is William Bader's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Bader is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near William Bader
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 M. Bader treated 495 Medicare patients in 2024, average age 75
CMS counts 495 Medicare patients who saw William Bader in 2024. The largest group is 65 to 74, with 243 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Bader's median patient age at 69, with 60% women.
William Bader's Medicare patients by age, 2024
William Bader's Medicare patients by sex, 2024
- Women29660%
- Men19940%
Chronic conditions among William Bader's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Diabetes31%
- Ischemic heart disease30%
- Anxiety29%
- Mood disorders27%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
William Bader's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William M. Bader wrote 646 Medicare Part D claims in 2024
In 2024, William Bader wrote 646 Medicare Part D claims for 318 patients. 100% of them were for generic drugs.
William Bader's Part D claims by kind of drug, 2024
- Generic644 claims100%
- Brand-name and other2 claims0%
Drug classes CMS tracks in William Bader's Part D claims, 2024
- Opioids18%117 of 646 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 M. Bader scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for William Bader for performance year 2024, reported as part of a group. William Bader accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Bader's MIPS scores, performance year 2024
- 91of 100Final score
- 90.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
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 M. Bader received $515 in industry payments in 2025
CMS Open Payments shows 5 general payments to William Bader from 3 drug and device companies in 2025. Travel and lodging make up the largest share, 76% of the total. Medical Device Business Services, Inc. paid the most, $399.
General payments to William Bader by kind, 2025 to 2025
- Travel and lodging$38976%
- Food and beverage$12524%
Companies that paid William Bader the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William M. Bader'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 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) |
| 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 William M. Bader
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 M. Bader's NPI number?
William M. Bader's NPI number is 1639616097. It was assigned on January 24, 2017, and it is active in the NPI Registry.
What does William M. Bader specialize in?
William M. Bader is a physician assistant in North Chesterfield, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William M. Bader practice?
William Bader practices at 1115 Boulders Pkwy, North Chesterfield, VA 23225. William Bader's primary practice is Chippenham Ambulatory Surgery Center, LLC - HOPD in North Chesterfield, Virginia. Dmand AI also links William Bader to 1 group practice or clinic and 1 ambulatory surgery center.
What is William M. Bader's medical license number?
William Bader holds Virginia license 0110-005614.
Which hospitals is William M. Bader affiliated with?
William Bader is affiliated with Chippenham Hospital.
What medical group is William M. Bader part of?
William Bader is linked to OrthoVirginia.
Does William M. Bader accept Medicare?
Yes. CMS lists William Bader as accepting Medicare assignment.
What is William M. Bader's MIPS score?
William Bader's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does William M. Bader see?
CMS counts 495 Medicare patients who saw William Bader in 2024, with an average age of 75.
Has William M. Bader received payments from drug or device companies?
CMS Open Payments shows $515 in general payments to William Bader from 3 companies from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has William M. Bader been practicing?
William Bader graduated from medical school in 2016, 10 years ago.
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