MOHAMED AZZAM MEHSSEN (MD) – Internal Medicine Physician, NPI 1578536389
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for MOHAMED AZZAM MEHSSEN (MD)
409, West Broadway, Dorchester Heights, South Boston, Boston, Suffolk County, Massachusetts, 02127, United States
SOUTH BOSTON, MA 021272245
Phone: (617) 269-7500
Fax: (617) 464-7512
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 2 Open Payments records for all available years, with a total value of $229.
Total Amount is formed as General ($229) + Research ($0) + Ownership ($0) = $229.
Last reported payment date: 2024-10-10 • Largest payer in this snapshot: Gilead Sciences, Inc. ($229).
Total Amount
$229
General + Research + Ownership
Payments
2
Total payment records
General Amount
$229
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $229 |
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: 2006-03-29
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 |
|---|---|---|---|---|
| I20060329000152 | I | Internal Medicine | MA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 105 | 67 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 38 | 37 | $0 |
Insurance plans in this area (ZIP 02127)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| O P H T H A L M O L O G Y | MA | |
| P S Y C H I A T R Y | NY | |
| O P T O M E T R Y | MA | |
| Gastroenterology, Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| Clinical Social Worker | RI |
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