Marlena Osowski

  • Framingham, MA
  • Registered nurse
NPI1386335776PAC ID9830548874
Medicare patients, 2024
54
Part D claims, 2024
97
Hospital affiliations
2
Industry payments
$33
Medical groups
2
Practice address
475 Franklin St, Framingham, MA 01702
Practice phone
Call (508) 620-9200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greater Boston Gastroenterology

Framingham, Massachusetts

See all 7 affiliations

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Marlena Osowski is a registered nurse in Framingham, Massachusetts

Marlena Osowski practices at Greater Boston Gastroenterology in Framingham, Massachusetts.

Marlena Osowski's NPI, 1386335776, was assigned on May 16, 2023. Marlena Osowski holds Massachusetts license RN2354068.

NPI and contact details
Medicare PAC ID
9830548874
NPI enumeration date
May 16, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(508) 620-9200
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Marlena Osowski practices at Greater Boston Gastroenterology in Framingham, Massachusetts

Marlena Osowski's primary practice is Greater Boston Gastroenterology, at 475 Franklin St, Framingham, MA 01702 in Middlesex County. The practice phone is (508) 620-9200.

  • Greater Boston Gastroenterology
    475 Franklin St, Framingham, MA 01702 · Middlesex CountyPhone(508) 620-9200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Marlena Osowski is affiliated with 5 sites of care and 2 medical groups

Marlena Osowski's primary practice is Greater Boston Gastroenterology in Framingham, Massachusetts. Marlena Osowski is also affiliated with Framingham Union Hospital. The medical group on file is Greater Boston Gastroenterology. Dmand AI also links Marlena Osowski to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Marlena Osowski

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Marlena Osowski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marlena Osowski practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greater Boston GastroenterologyAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Marlena Osowski is one of 215 registered nurses in Massachusetts

Registered nurse is Marlena Osowski's primary specialty in the NPI Registry, under taxonomy code 163W00000X. Marlena Osowski is licensed in Massachusetts.

Specialties and state licenses

  • Registered nurse, MassachusettsPrimaryLicense RN2354068 · taxonomy 163W00000X

Registered nurses near Marlena Osowski

Counts of registered nurses with a Dmand AI profile, by place and practice. Each opens the list.

215registered nurses in Massachusetts
2registered nurses in Framingham

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Marlena Osowski treated 54 Medicare patients in 2024, average age 71

CMS counts 54 Medicare patients who saw Marlena Osowski in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marlena Osowski's median patient age at 65, with 57% women.

Medicare patients, 202454
Average age71
Average risk score1.15
Also on Medicaid24%

Marlena Osowski's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Marlena Osowski's Medicare patients by sex, 2024

  • Women3565%
  • Men1935%

Chronic conditions among Marlena Osowski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes43%
  4. Arthritis39%
  5. Mood disorders37%
  6. Anxiety33%
  7. Depression31%
  8. Ischemic heart disease28%

Share of Medicare patients with each condition. A patient can have several.

Marlena Osowski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Marlena Osowski wrote 97 Medicare Part D claims in 2024

In 2024, Marlena Osowski wrote 97 Medicare Part D claims for 57 patients. 84% of them were for generic drugs.

Part D claims, 202497
Part D patients57

Marlena Osowski's Part D claims by kind of drug, 2024

  • Generic81 claims84%
  • Brand-name16 claims16%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Marlena Osowski takes part in Medicare

Marlena Osowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Marlena Osowski received $33 in industry payments in 2025

CMS Open Payments shows 2 general payments to Marlena Osowski from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Lucid Diagnostics Inc. paid the most, $18.

Companies that paid Marlena Osowski the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Marlena Osowski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marlena Osowski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Marlena Osowski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Marlena Osowski's NPI number?

Marlena Osowski's NPI number is 1386335776. It was assigned on May 16, 2023, and it is active in the NPI Registry.

What does Marlena Osowski specialize in?

Marlena Osowski is a registered nurse in Framingham, Massachusetts. The primary specialty in the NPI Registry is Registered Nurse (taxonomy code 163W00000X).

Where does Marlena Osowski practice?

Marlena Osowski practices at 475 Franklin St, Framingham, MA 01702. Marlena Osowski's primary practice is Greater Boston Gastroenterology in Framingham, Massachusetts. Dmand AI also links Marlena Osowski to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Marlena Osowski's office phone number?

The practice phone on file for Marlena Osowski is (508) 620-9200.

What is Marlena Osowski's medical license number?

Marlena Osowski holds Massachusetts license RN2354068.

Which hospitals is Marlena Osowski affiliated with?

Marlena Osowski is affiliated with Framingham Union Hospital. Dmand AI links Marlena Osowski to 1 more hospital.

What medical group is Marlena Osowski part of?

Marlena Osowski is linked to Greater Boston Gastroenterology. Dmand AI links Marlena Osowski to 1 more medical group.

Does Marlena Osowski accept Medicare?

Yes. CMS lists Marlena Osowski as accepting Medicare assignment.

How many Medicare patients does Marlena Osowski see?

CMS counts 54 Medicare patients who saw Marlena Osowski in 2024, with an average age of 71.

Has Marlena Osowski received payments from drug or device companies?

CMS Open Payments shows $33 in general payments to Marlena Osowski from 2 companies from 2025 to 2025. The largest total came from Lucid Diagnostics Inc.

How long has Marlena Osowski been practicing?

Marlena Osowski graduated from medical school in 2023, 3 years ago.

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