William Barr

  • Norfolk, VA
  • Physician assistant
NPI1639786320PAC ID8628481355
Medicare patients, 2026
235
Part D claims, 2026
227
MIPS score, 2026
98
Hospital affiliations
1
Medical group
1
Practice address
6379 Center Dr, Norfolk, VA 23502
Practice phone
Call (757) 467-4200
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Emergency Physicians of Tidewater

Norfolk, Virginia

See all 3 affiliations

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William Barr is a physician assistant in Norfolk, Virginia

William Barr practices at Emergency Physicians of Tidewater in Norfolk, Virginia.

William Barr's NPI, 1639786320, was assigned on September 26, 2020. William Barr holds Virginia license 0110007541.

NPI and contact details
Medicare PAC ID
8628481355
NPI enumeration date
September 26, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(757) 467-4200
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

William Barr practices at Emergency Physicians of Tidewater in Norfolk, Virginia

William Barr's primary practice is Emergency Physicians of Tidewater, at 6379 Center Dr, Norfolk, VA 23502 in Norfolk City. The practice phone is (757) 467-4200.

  • Emergency Physicians of Tidewater
    6379 Center Dr, Norfolk, VA 23502 · Norfolk CityPhone(757) 467-4200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

William Barr is affiliated with 2 sites of care and 1 medical group

William Barr's primary practice is Emergency Physicians of Tidewater in Norfolk, Virginia. William Barr is also affiliated with Riverside Regional Medical Center. The medical group on file is Emergency Physicians of Tidewater.

See all 3 affiliations for William Barr

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William Barr's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Barr practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Emergency Physicians of TidewaterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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William Barr is one of 3,636 physician assistants in Virginia

Physician assistant is William Barr's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Barr is licensed in Virginia.

Specialties and state licenses

  • Physician assistant, VirginiaPrimaryLicense 0110007541 · taxonomy 363A00000X

Physician assistants near William Barr

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 Barr treated 235 Medicare patients in 2026, average age 74

CMS counts 235 Medicare patients who saw William Barr in 2026. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Barr's median patient age at 38, with 71% women.

Medicare patients, 2026235
Average age74
Average risk score1.61
Also on Medicaid13%

William Barr's Medicare patients by age, 2026

William Barr's Medicare patients by sex, 2026

  • Women13959%
  • Men9641%

Chronic conditions among William Barr's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Diabetes37%
  5. Ischemic heart disease35%
  6. Heart failure34%
  7. Anxiety33%
  8. Mood disorders32%

Share of Medicare patients with each condition. A patient can have several.

William Barr's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women71%
  • Men28%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

William Barr wrote 227 Medicare Part D claims in 2026

In 2026, William Barr wrote 227 Medicare Part D claims for 141 patients. 95% of them were for generic drugs.

Part D claims, 2026227
Part D patients141

William Barr's Part D claims by kind of drug, 2026

  • Generic216 claims95%
  • Brand-name11 claims5%

Drug classes CMS tracks in William Barr's Part D claims, 2026

  • Opioids7%15 of 227 claims
  • Antibiotics24%54 of 227 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), 2026 data

William Barr scored 98 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for William Barr for performance year 2026, reported as part of a group. William Barr accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

William Barr's MIPS scores, performance year 2026

  • 98of 100Final score
  • 95of 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), 2026 data

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Sources for William Barr's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William Barr

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 Barr's NPI number?

William Barr's NPI number is 1639786320. It was assigned on September 26, 2020, and it is active in the NPI Registry.

What does William Barr specialize in?

William Barr is a physician assistant in Norfolk, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William Barr practice?

William Barr practices at 6379 Center Dr, Norfolk, VA 23502. William Barr's primary practice is Emergency Physicians of Tidewater in Norfolk, Virginia.

What is William Barr's office phone number?

The practice phone on file for William Barr is (757) 467-4200. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is William Barr's email address?

Dmand AI checks professional and personal email addresses for William Barr through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is William Barr's medical license number?

William Barr holds Virginia license 0110007541, one of 2 state licenses on file.

Which hospitals is William Barr affiliated with?

William Barr is affiliated with Riverside Regional Medical Center.

What medical group is William Barr part of?

William Barr is linked to Emergency Physicians of Tidewater.

Who does William Barr practice with?

Dmand AI links 203 HCPs to William Barr's primary medical group, 54 of them physician assistants. A free account lists them, with verified contacts.

Does William Barr accept Medicare?

Yes. CMS lists William Barr as accepting Medicare assignment.

Show 4 more questionsShow fewer questions

What is William Barr's MIPS score?

William Barr's MIPS final score for performance year 2026 is 98 out of 100, reported as part of a group.

How many Medicare patients does William Barr see?

CMS counts 235 Medicare patients who saw William Barr in 2026, with an average age of 74.

How long has William Barr been practicing?

William Barr graduated from medical school in 2020, 6 years ago.

What EHR does William Barr's practice use?

Dmand AI tracks the EHR system at Emergency Physicians of Tidewater and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.

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