MARINA J ESTRIN (MD) – Internal Medicine Physician, NPI 1558369389
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,378 INTERNAL MEDICINE in FL
Provider Addresses for MARINA J ESTRIN (MD)
340, Main Street, Leominster, Worcester County, Massachusetts, 01453, United States
STE. 670
WORCESTER, MA 016081604
Phone: (508) 754-3566
Fax: (508) 438-6368
Type: Mailing
PO BOX 863407
ORLANDO, FL 328863407
Phone: (941) 917-2600
Fax: (941) 917-7884
Type: Mailing
1515 S OSPREY AVE STE A1
SARASOTA, FL 34239
Phone: (941) 917-7197
Type: Location
Lincoln School, 61, Lincoln Street, Framingham, Middlesex County, Massachusetts, 01702, United States
SUITE 301
FRAMINGHAM, MA 017028264
Phone: (508) 879-0077
Fax: (508) 875-1005
Type: Location
61 Lincoln St
Suite 301
Framingham, MA 017028264
Phone: (508) 879-0077
Fax: (508) 875-1005
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $28.
Total Amount is formed as General ($28) + Research ($0) + Ownership ($0) = $28.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Neurocrine BioSciences Inc. ($28).
Total Amount
$28
General + Research + Ownership
Payments
1
Total payment records
General Amount
$28
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neurocrine BioSciences Inc. | $28 |
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: 2021-09-21
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 |
|---|---|---|---|---|
| I20210921003852 | I | Internal Medicine | FL | 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 |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 527 | 162 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 343 | 134 | $0 |
| 99306 | Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 114 | 95 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 87 | 58 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 72 | 32 | $0 |
Insurance plans in this area (ZIP 01608)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MA | 81002 | Urinalysis, manual test | 19 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | FL | |
| N E U R O L O G Y | FL | |
| General Surgery | FL | |
| - | FL | |
| - | FL | |
| Cardiovascular Disease (Cardiology) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| - | FL | |
| Cardiovascular Disease (Cardiology), Peripheral Vascular Disease | FL | |
| Nurse Practitioner | FL |
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