MARISA N. H. GUILLORY (MD) – Pediatric Sleep Medicine Physician, NPI 1942429279
Pediatric Sleep Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,256 PEDIATRIC MEDICINE in TX
Provider Addresses for MARISA N. H. GUILLORY (MD)
PO BOX 847176
DALLAS, TX 752847176
Phone: (903) 237-1800
Fax: (903) 237-1810
Type: Mailing
709 HOLLYBROOK DR STE 5605
LONGVIEW, TX 756052416
Phone: (903) 291-6300
Fax: (903) 291-6305
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $907.
Total Amount is formed as General ($907) + Research ($0) + Ownership ($0) = $907.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: HARMONY BIOSCIENCES LLC ($509).
Total Amount
$907
General + Research + Ownership
Payments
43
Total payment records
General Amount
$907
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| HARMONY BIOSCIENCES LLC | $509 |
| JAZZ PHARMACEUTICALS INC. | $162 |
| ResMed Corp | $80 |
| Itamar Medical Inc | $39 |
| ZOLL Respicardia, 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: 2011-11-02
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 |
|---|---|---|---|---|
| I20111102000852 | I | Pediatric Medicine | TX | 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 | 350 | 337 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 101 | 101 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 96 | 83 | $0 |
| 95806 | Sleep study including heart rate, breathing, airflow, and effort | 78 | 78 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 41 | 41 | $0 |
Insurance plans in this area (ZIP 75284)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O T O L A R Y N G O L O G Y | TX | |
| O T O L A R Y N G O L O G Y | AL | |
| Physical Therapist In Private Practice | TX | |
| Physical Therapist In Private Practice | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| - | TX |
Reviews
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