What is William Boswell's NPI number?

William Boswell's National Provider Identifier (NPI) is 1457464679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Boswell's specialty?

William Boswell is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is William Boswell located?

William Boswell's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.

What is William Boswell's phone number?

The practice phone number listed in the NPPES registry for William Boswell is (608) 263-8100.

Does William Boswell accept Medicare?

William Boswell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is William Boswell's NPI active?

Yes — William Boswell's NPI (1457464679) is active in the NPPES registry as of the last update on 2026-02-03.

IndividualActiveAccepts Medicare

William Boswell, PA/AA

NPI 1457464679 · Anesthesiologist Assistant · Madison, WI

William Boswell, PA/AA is a Anesthesiologist Assistant provider in Madison, WI (NPI 1457464679).

Provider details

NPI number: 1457464679
Entity type: Individual
Primary specialty: Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA/AA
Sex: Male
Sole proprietor: No
License: ANT.0000069 (CO)

Practice location

600 Highland Ave

Madison, WI 53792-0001

Phone: (608) 263-8100

Street-level locationGet directions

More WI providers

Mailing address

7974 Uw Health Ct

Middleton, WI 53562-5531

Specialties & taxonomies

Anesthesiologist AssistantPrimary367H00000XLicense 615-17 (WI)
Physician Assistants & Advanced Practice Nursing Providers
Anesthesiologist Assistant367H00000XLicense ANT.0000069 (CO)
Physician Assistants & Advanced Practice Nursing Providers
Anesthesiologist Assistant367H00000XLicense 002435 (GA)
Physician Assistants & Advanced Practice Nursing Providers

Additional practice locations (2)

1400 E Boulder St
Colorado Springs, CO 80909-5533
Phone: (720) 848-0000
380 Hospital Dr
Ste 410
Macon, GA 31217-8001
Phone: (478) 746-5644
Fax: (478) 745-4849

Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
150 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731	91	$92
Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732	33	$121
Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811	26	$79

Typical Medicare-allowed amounts for these services range $79–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$25 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-08-15
Last updated: 2026-02-03
Certified: 2026-02-03

Frequently asked questions

What is William Boswell's NPI number?: William Boswell's National Provider Identifier (NPI) is 1457464679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Boswell's specialty?: William Boswell is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is William Boswell located?: William Boswell's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
What is William Boswell's phone number?: The practice phone number listed in the NPPES registry for William Boswell is (608) 263-8100.
Does William Boswell accept Medicare?: William Boswell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is William Boswell's NPI active?: Yes — William Boswell's NPI (1457464679) is active in the NPPES registry as of the last update on 2026-02-03.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731	91	$92
Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732	33	$121
Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811	26	$79

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$25 across 1 record (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

What this provider does (Medicare)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Frequently asked questions

Profile Score

What this provider does (Medicare)

Transparency — industry payments