Marina Estrin, MD
NPI 1558369389 · Internal Medicine Physician · Sarasota, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marina Estrin, MD is a Internal Medicine Physician provider in Sarasota, FL (NPI 1558369389).
Provider details
- NPI number
- 1558369389
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 79984 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,072 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 276 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 172 | $104 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 163 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 121 | $105 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 90 | $178 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or Qualifi |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 185 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 518 | 85 |
| Trazodone Hcl | 477 | 60 |
| Levothyroxine Sodium | 410 | 59 |
| Famotidine | 403 | 57 |
| Apixabanbrand: Eliquis | 398 | 49 |
| Amlodipine Besylate | 266 | 54 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 61 Lincoln StSuite 301Framingham, MA 01702-8264Phone: (508) 879-0077Fax: (508) 875-1005
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2021-09-17
- Certified
- 2021-09-17
Frequently asked questions
- What is Marina Estrin's NPI number?
- Marina Estrin's National Provider Identifier (NPI) is 1558369389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marina Estrin's specialty?
- Marina Estrin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marina Estrin located?
- Marina Estrin's practice location on file with NPPES is 1515 S Osprey Ave Ste A1, Sarasota, FL 34239.
- What is Marina Estrin's phone number?
- The practice phone number listed in the NPPES registry for Marina Estrin is (941) 917-7197.
- Does Marina Estrin accept Medicare?
- Marina Estrin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marina Estrin's NPI active?
- Yes — Marina Estrin's NPI (1558369389) is active in the NPPES registry as of the last update on 2021-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.