MARVIN WALKER SEXTON (MD) – Pulmonary Disease Physician, NPI 1659365138
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
256 PULMONARY DISEASE in AL
Provider Addresses for MARVIN WALKER SEXTON (MD)
Dothan Post Office, West Burdeshaw Street, Dothan, Houston County, Alabama, 36303, United States
DOTHAN, AL 363022266
Phone: (334) 305-0400
Fax: (334) 305-0401
Type: Mailing
4300 W Main St
Suite 102
Dothan, AL 363051054
Phone: (334) 793-9564
Fax: (334) 671-8907
Type: Location
1450 ROSS CLARK CIR STE 400
DOTHAN, AL 363014770
Phone: (334) 305-0400
Fax: (334) 305-0401
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 186 Open Payments records for all available years, with a total value of $4,477.
Total Amount is formed as General ($4,477) + Research ($0) + Ownership ($0) = $4,477.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($764).
Total Amount
$4,477
General + Research + Ownership
Payments
186
Total payment records
General Amount
$4,477
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $764 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $618 |
| Intuitive Surgical, Inc. | $490 |
| Insmed, Inc. | $333 |
| AstraZeneca Pharmaceuticals LP | $210 |
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: 2003-11-12
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 |
|---|---|---|---|---|
| I20031112000796 | I | Pulmonary Disease | AL | 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 |
|---|---|---|---|---|
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 2,981 | 934 | $0 |
| 94729 | Test to examine how well the lungs exchange gases | 515 | 510 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 435 | 388 | $0 |
| 71046 | X-ray of chest, 2 views | 399 | 371 | $0 |
| 94727 | Test to determine lung volumes using gas dilution or washout | 378 | 372 | $0 |
Insurance plans in this area (ZIP 36302)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | AL | 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | 24 | 24 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | AL | |
| Physician Assistant | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | AL | |
| Nurse Practitioner | AL | |
| Pulmonary Disease | AL | |
| Nurse Practitioner | AL |
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