MOHAMMAD SAMER AMMAR (MD) – Pediatric Gastroenterology Physician, NPI 1396715355
Pediatric Gastroenterology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in TN
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Provider Addresses for MOHAMMAD SAMER AMMAR (MD)
330, 23rd Avenue North, Nashville, Davidson County, Tennessee, 37203, United States
SUITE 450
NASHVILLE, TN 372031534
Phone: (615) 342-7339
Fax: (615) 342-7340
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 5 Open Payments records for all available years, with a total value of $116.
Total Amount is formed as General ($116) + Research ($0) + Ownership ($0) = $116.
Last reported payment date: 2024-10-01 • Largest payer in this snapshot: GENZYME CORPORATION ($67).
Total Amount
$116
General + Research + Ownership
Payments
5
Total payment records
General Amount
$116
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $67 |
| Biogen, Inc. | $25 |
| UCB, Inc. | $24 |
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: 2017-09-07
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 |
|---|---|---|---|---|
| I20170907002376 | I | Gastroenterology | TN | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 37203)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | NC | |
| Neurology, Pediatric Medicine | TN | |
| Pediatric Medicine, Hematology/Oncology | TN | |
| Hematology/Oncology, Pediatric Medicine | TN | |
| Hematology/Oncology, Pediatric Medicine | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| Hematology/Oncology, Pediatric Medicine | TN |
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