MR. LARRY K CHASE (MD) – Undersea and Hyperbaric Medicine (Preventive Medicine) Physician, NPI 1891790408
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
17 PREVENTIVE MEDICINE in MO
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Provider Addresses for MR. LARRY K CHASE (MD)
Springfield, Boulevard Émile Krieps, Oberkorn, Differdange, Canton Esch-sur-Alzette, 4543, Luxembourg
SPRINGFIELD, MO 658084046
Phone: (417) 269-5712
Fax: (417) 269-7567
Type: Mailing
South National Avenue, Rountree/Walnut, Springfield, Greene County, Missouri, 65897, United States
STE 101
SPRINGFIELD, MO 658077310
Phone: (417) 269-9950
Fax: (417) 269-9959
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: 2007-02-05
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 |
|---|---|---|---|---|
| I20070205000518 | I | Preventive Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 21 | $0 |
Insurance plans in this area (ZIP 65808)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Physical Medicine And Rehabilitation | MO | |
| Clinical Psychologist | MO | |
| Nurse Practitioner | MO | |
| Clinical Psychologist | MO | |
| Physician Assistant | MO | |
| Physician Assistant | MO | |
| - | MD | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Nurse Practitioner | MO |
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