WILLIAM I IV BOSWELL (PA/AA) – Anesthesiologist Assistant, NPI 1457464679
Anesthesiologist Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
224 ANESTHESIOLOGY ASSISTANT in CO
Provider Addresses for WILLIAM I IV BOSWELL (PA/AA)
PO BOX 110429
AURORA, CO 800420429
Phone:
Type: Mailing
1400 E BOULDER ST
COLORADO SPRINGS, CO 809095533
Phone: (720) 848-0000
Type: Location
380, Hospital Drive, Macon, Bibb County, Georgia, 31217, United States
STE 410
MACON, GA 312178001
Phone: (478) 746-5644
Fax: (478) 745-4849
Type: Location
1400 E Boulder St
Colorado Springs, CO 809095533
Phone: (720) 848-0000
Type: Location
380 Hospital Dr
Ste 410
Macon, GA 312178001
Phone: (478) 746-5644
Fax: (478) 745-4849
Type: Location
7974 UW HEALTH CT
MIDDLETON, WI 535625531
Phone:
Type: Mailing
600 HIGHLAND AVE
MADISON, WI 537920001
Phone: (608) 263-8100
Type: Location
19179 W 88TH DR
ARVADA, CO 800077303
Phone: (303) 419-8732
Type: Mailing
Macon Post Office, 101, West Dunn Street, Macon, Macon County, Illinois, 62544, United States
MACON, GA 312032564
Phone: (478) 746-5644
Fax: (478) 745-4849
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $455.
Total Amount is formed as General ($455) + Research ($0) + Ownership ($0) = $455.
Last reported payment date: 2024-08-25 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($210).
Total Amount
$455
General + Research + Ownership
Payments
5
Total payment records
General Amount
$455
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $210 |
| Inari Medical, Inc. | $192 |
| Boston Scientific Corporation | $27 |
| Medtronic, Inc. | $25 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2026-02-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040709000032 | I | Anesthesiology Assistant | GA | TBD |
| I20170110000319 | I | Anesthesiology Assistant | CO | TBD |
| I20210629001003 | I | Anesthesiology Assistant | AL | TBD |
| I20250807002995 | I | Anesthesiology Assistant | MO | TBD |
| I20260209000596 | I | Anesthesiology Assistant | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 51 | 51 | $0 |
| 00732 | Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 24 | 23 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 19 | 19 | $0 |
| 00840 | Anesthesia for other procedure on lower abdomen | 14 | 14 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 13 | 13 | $0 |
Insurance plans in this area (ZIP 80042)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CO | |
| - | CO | |
| - | CO | |
| - | CO | |
| - | CO | |
| - | CO | |
| A N E S T H E S I O L O G Y | CO | |
| - | CO | |
| A N E S T H E S I O L O G Y | COLORADO | |
| A N E S T H E S I O L O G Y | OH |
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