MARK D LASSWELL (CRNA) – Certified Registered Nurse Anesthetist, NPI 1639164734
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,775 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MO
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Provider Addresses for MARK D LASSWELL (CRNA)
PO BOX 842120
KANSAS CITY, MO 641842120
Phone: (417) 239-3392
Fax: (417) 239-3392
Type: Mailing
251, Skaggs Road, Branson, Taney County, Missouri, 65616, United States
BRANSON, MO 656162031
Phone: (800) 277-8151
Type: Location
1600 N 2ND ST
CLINTON, MO 647351297
Phone: (660) 885-5511
Type: Mailing
251 Skaggs Rd
Branson, MO 656162031
Phone: (800) 277-8151
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-03-14
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 |
|---|---|---|---|---|
| I20050314000118 | I | Certified Registered Nurse Anesthetist (Crna) | MO | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 22 | 22 | $0 |
| 00142 | Anesthesia for lens surgery | 21 | 21 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 20 | 19 | $0 |
Insurance plans in this area (ZIP 64184)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Family Practice | MO | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| - | MO | |
| Family Practice | MO | |
| Internal Medicine | MO | |
| Emergency Medicine | GA | |
| - | MO | |
| - | MO | |
| Family Practice | MO | |
| Nurse Practitioner | KS |
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