MRS. NASIM MONA MCDERMOTT (DO) – Internal Medicine Physician, NPI 1144450123
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
143 GASTROENTEROLOGY in NV
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Provider Addresses for MRS. NASIM MONA MCDERMOTT (DO)
620, Shadow Lane, Las Vegas, Clark County, Nevada, 89106, United States
LAS VEGAS, NV 891064194
Phone: (702) 388-8436
Fax: (702) 388-8431
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $575.
Total Amount is formed as General ($575) + Research ($0) + Ownership ($0) = $575.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Janssen Biotech, Inc. ($262).
Total Amount
$575
General + Research + Ownership
Payments
19
Total payment records
General Amount
$575
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $262 |
| ABBVIE INC. | $234 |
| Merck Sharp & Dohme LLC | $37 |
| Olympus America Inc. | $23 |
| PFIZER INC. | $18 |
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: 2015-11-10
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 |
|---|---|---|---|---|
| I20151110001305 | I | Gastroenterology | NV | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 885 | 459 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 531 | 485 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 160 | 155 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 152 | 123 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 68 | 54 | $0 |
Insurance plans in this area (ZIP 89106)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | NV | |
| Gastroenterology, Internal Medicine | RI | |
| Nurse Practitioner | NV | |
| Physician Assistant | CA | |
| G A S T R O E N T E R O L O G Y | NV | |
| G A S T R O E N T E R O L O G Y | CA | |
| Physician Assistant | NV | |
| G A S T R O E N T E R O L O G Y | NV | |
| Gastroenterology, Internal Medicine | NV | |
| G A S T R O E N T E R O L O G Y | NV |
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