Dr. Marina J. Estrin, MD
- Medicare services, 2024
- 1,072
- Medicare patients, 2024
- 253
- Part D claims, 2024
- 10,886
- Hospital affiliations
- 2
- Industry payments
- $166
- Practice address
- 200 Healthcare Way, Nokomis, FL 34275
- Practice phone
- Call (941) 917-8720
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
First Physicians Group
Nokomis, Florida
Find Dr. Estrin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marina J. Estrin is an internist in Nokomis, Florida
Dr. Estrin practices at First Physicians Group in Nokomis, Florida.
Dr. Estrin's NPI, 1558369389, was assigned on July 14, 2005. Dr. Estrin graduated from Bukovinian Med Univ in 1987. Dr. Estrin holds Florida license ME152315.
- NPI
- 1558369389NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416991138
- NPI enumeration date
- July 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (941) 917-8720
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marina J. Estrin practices at First Physicians Group in Nokomis, Florida
Dr. Estrin's primary practice is First Physicians Group, at 200 Healthcare Way, Nokomis, FL 34275 in Sarasota County. The practice phone is (941) 917-8720.
- First Physicians Group200 Healthcare Way, Nokomis, FL 34275 · Sarasota CountyPhone(941) 917-8720
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marina J. Estrin is affiliated with 8 sites of care and 1 medical group
Dr. Estrin's primary practice is First Physicians Group in Nokomis, Florida. Dr. Estrin is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. The medical group on file is First Physicians Group of Sarasota. Dmand AI also links Dr. Estrin to 1 more hospital, 3 home health agencies, 1 group practice or clinic and 1 skilled nursing facility, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marina J. Estrin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Estrin practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| First Physicians Group | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marina J. Estrin is one of 9,009 internists in Florida
Internal medicine is Dr. Estrin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Estrin is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Estrin's licenses on file in 2 states: Florida and Massachusetts.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Massachusetts license
Clinical focus
Dmand AI lists acid reflux, alcohol use disorders, alzheimer's disease, aneurysm, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Estrin treats.
Internists near Dr. Estrin
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marina J. Estrin billed Medicare for 1,072 services in 2024
CMS data shows 1,072 Medicare services from Dr. Estrin across 9 procedure codes in 2024, for 253 Medicare patients. Medicare paid $78,975 for them.
Dr. Estrin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3072024: 1,01922%
- Other services
- 2023: 742024: 5328%
Where Dr. Estrin's Medicare services took place, 2024
- In an office52349%
- In a facility54951%
Dr. Estrin compared with the Florida median for internists, 2024
- Dr. Estrin
- Florida median
- Medicare services
- 1,072vs 55593% above
- Medicare patients
- 253vs 21518% above
- Part D claims
- 10,134vs 46621.7 times
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Estrin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Estrin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Estrin and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marina J. Estrin treated 253 Medicare patients in 2024, average age 83
CMS counts 253 Medicare patients who saw Dr. Estrin in 2024. The largest group is 85 and over, with 123 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Estrin's median patient age at 82, with 56% women.
Dr. Estrin's Medicare patients by age, 2024
Dr. Estrin's Medicare patients by sex, 2024
- Women14557%
- Men10843%
Chronic conditions among Dr. Estrin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression74%
- Arthritis66%
- Alzheimer's and dementia60%
- Anxiety59%
- Heart failure53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Estrin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 82
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marina J. Estrin wrote 10,886 Medicare Part D claims in 2024
In 2024, Dr. Estrin wrote 10,886 Medicare Part D claims for 324 patients. 83% of them were for generic drugs. CMS names the drug for 10,134 of them, across 184 drugs with 11 or more claims each, at $719,478 in total drug cost. In 2023, CMS named 6,204 claims across 140 drugs.
Dr. Estrin's Part D claims by kind of drug, 2024
- Generic9,074 claims83%
- Brand-name1,780 claims16%
- Other32 claims0%
Dr. Estrin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Estrin's Part D claims, 2024
- Opioids3%299 of 10,886 claims
- Antibiotics5%502 of 10,886 claims
- Antipsychotics, patients 65 and over1%68 of 10,886 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,2042024: 10,13463%
Drugs named by CMS: 184 in 2024, 140 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Marina J. Estrin offers telehealth to Medicare patients
Dr. Estrin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Estrin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marina J. Estrin received $166 in industry payments from 2017 to 2025
CMS Open Payments shows 8 general payments to Dr. Estrin from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Eisai Inc. paid the most, $56.
General payments to Dr. Estrin by program year, 2017 to 2025
Companies that paid Dr. Estrin the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marina J. Estrin has 1 award and honors on record
Dmand AI lists 1 award for Dr. Estrin, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Estrin
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Marina J. Estrin graduated from Bukovinian Med Univ
Dr. Estrin graduated from Bukovinian Med Univ in 1987.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Marina J. Estrin accepts plans from 7 insurance carriers
Dr. Estrin is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aetna. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Aetna
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- EMI Health
- Pacific Source Health Plans
Plan types Dr. Estrin accepts, by number of carriers
- HMO3
- Medicare3
- PPO3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Marina J. Estrin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marina J. Estrin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marina J. Estrin's NPI number?
Dr. Marina J. Estrin's NPI number is 1558369389. It was assigned on July 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Marina J. Estrin?
Dr. Marina J. Estrin is an internist in Nokomis, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marina J. Estrin practice?
Dr. Estrin practices at 200 Healthcare Way, Nokomis, FL 34275. Dr. Estrin's primary practice is First Physicians Group in Nokomis, Florida. Dmand AI also links Dr. Estrin to 1 hospital, 3 home health agencies, 1 group practice or clinic and 1 skilled nursing facility.
What is Dr. Marina J. Estrin's office phone number?
The practice phone on file for Dr. Estrin is (941) 917-8720.
What is Dr. Marina J. Estrin's medical license number?
Dr. Estrin holds Florida license ME152315, one of the licenses on file in 2 states.
Which states has Dr. Marina J. Estrin been licensed in?
Dmand AI has state licenses on file for Dr. Estrin in Florida (2021 to 2026) and Massachusetts (1994 to 2023).
Which hospitals is Dr. Marina J. Estrin affiliated with?
Dr. Estrin is affiliated with Sarasota Memorial Hospital - Sarasota Campus. Dmand AI links Dr. Estrin to 1 more hospital.
What medical group is Dr. Marina J. Estrin part of?
Dr. Estrin is linked to First Physicians Group of Sarasota.
Does Dr. Marina J. Estrin accept Medicare?
Yes. CMS data shows Dr. Estrin billed Medicare for 1,072 services in 2024, and Dr. Estrin accepts Medicare assignment.
Does Dr. Marina J. Estrin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Estrin as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Marina J. Estrin see?
CMS counts 253 Medicare patients who saw Dr. Estrin in 2024, with an average age of 83.
Is Dr. Marina J. Estrin board certified?
Yes. Dr. Estrin is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Marina J. Estrin bill to Medicare?
In 2024, Dr. Estrin's most billed Medicare services were nursing facility care (99308), nursing facility care (99309) and nursing facility care (99306).
Where did Dr. Marina J. Estrin go to medical school?
Dr. Estrin graduated from Bukovinian Med Univ in 1987.
What drugs does Dr. Marina J. Estrin prescribe most?
In 2024 Medicare Part D data, Dr. Estrin's most prescribed drugs by claims were Atorvastatin Calcium, Trazodone HCl and Levothyroxine Sodium.
Has Dr. Marina J. Estrin received payments from drug or device companies?
CMS Open Payments shows $166 in general payments to Dr. Estrin from 6 companies from 2017 to 2025. The largest total came from Eisai Inc.
How long has Dr. Marina J. Estrin been practicing?
Dr. Estrin graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Marina J. Estrin accept?
Dr. Estrin is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aetna. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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