DR. MARIO ALEXANDER ZACHARATOS (M.D.) – Family Medicine Physician, NPI 1831359637
Family 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 DR. MARIO ALEXANDER ZACHARATOS (M.D.)
257, Station Avenue, South Yarmouth, Yarmouth, Barnstable County, Massachusetts, 02664, United States
SOUTH YARMOUTH, MA 026641842
Phone: (504) 394-2017
Fax: (508) 398-6680
Type: Location
4950 COMMUNICATION AVE STE 100
BOCA RATON, FL 334313308
Phone: (561) 982-4300
Type: Mailing
349 ROUTE 28 STE A
WEST YARMOUTH, MA 026734620
Phone: (508) 394-2017
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $314.
Total Amount is formed as General ($314) + Research ($0) + Ownership ($0) = $314.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($79).
Total Amount
$314
General + Research + Ownership
Payments
16
Total payment records
General Amount
$314
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2018-05-29
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 |
|---|---|---|---|---|
| I20180529001212 | 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 | 482 | 269 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 444 | 230 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 316 | 316 | $0 |
| 99497 | Advance care planning, first 30 minutes | 189 | 189 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 149 | 148 | $0 |
Insurance plans in this area (ZIP 02664)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OH | 81002 | Urinalysis, manual test | 28 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| Internal Medicine | FL |
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