MATTHEW D CHYNOWETH (DO) – Anesthesiology Physician, NPI 1376658104
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
67 ANESTHESIOLOGY in WY
Provider Addresses for MATTHEW D CHYNOWETH (DO)
4850 CHINOOK TRL
CASPER, WY 826045201
Phone: (307) 473-8173
Type: Mailing
111, West 2nd Street, Casper, Natrona County, Wyoming, 82601, United States
#415
CASPER, WY 826012454
Phone: (307) 237-5848
Fax: (307) 237-5848
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-08-28 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $16 |
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: 2006-10-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20061006000503 | I | Anesthesiology | WY | 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 | 34 | 34 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 23 | 23 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 18 | 17 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 11 | 11 | $0 |
Insurance plans in this area (ZIP 82604)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | UT | |
| - | WY | |
| A N E S T H E S I O L O G Y | MI | |
| A N E S T H E S I O L O G Y | WA | |
| A N E S T H E S I O L O G Y | WA | |
| A N E S T H E S I O L O G Y | MO | |
| A N E S T H E S I O L O G Y | WY | |
| A N E S T H E S I O L O G Y | PA | |
| - | UT |
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