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Dr. Ellena A. Linden, MD
NPI1306938576PAC ID4486757028
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 19
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 1 Hospital Plz, Stamford, CT 06902
- Practice phone
- Call (203) 276-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stamford Hospital
Stamford, Connecticut
Find Dr. Linden's professional email, personal email and mobile number
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Dr. Ellena A. Linden is a nephrologist in Stamford, Connecticut
Dr. Linden practices at Stamford Hospital in Stamford, Connecticut.
Dr. Linden's NPI, 1306938576, was assigned on September 28, 2006. Dr. Linden graduated from University of Rochester School of Medicine and Dentistry in 2000. Dr. Linden holds New York license 222024.
NPI and contact details
- NPI
- 1306938576NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486757028
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 276-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ellena A. Linden practices at Stamford Hospital in Stamford, Connecticut
Dr. Linden's primary practice is Stamford Hospital, at 1 Hospital Plz, Stamford, CT 06902 in Western Ct County. The practice phone is (203) 276-1000.
- Stamford Hospital1 Hospital Plz, Stamford, CT 06902 · Western Ct CountyPhone(203) 276-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ellena A. Linden is affiliated with 5 sites of care and 3 medical groups
Dr. Linden's primary practice is Stamford Hospital in Stamford, Connecticut. Dr. Linden is also affiliated with Lenox Hill Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Linden to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Stamford HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ellena A. Linden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Linden practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stamford Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ellena A. Linden is one of 141 nephrologists in Connecticut
Nephrology is Dr. Linden's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Linden is licensed in New York.
Specialties and state licenses
- Nephrology, New YorkPrimary
Nephrologists near Dr. Linden
Counts of nephrologists 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. Ellena A. Linden billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Linden across 1 procedure code in 2024, all of them office visits, for 32 Medicare patients. Medicare paid $1,180 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202414
Medicare patients32
Paid by Medicare$1,180
Procedure codes1
Dr. Linden's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 982024: 1486%
- Tests and treatments
- 2021: 872024: 0100%
Dr. Linden compared with the Connecticut median for nephrologists, 2024
- Dr. Linden
- Connecticut median
- Medicare services
- 14vs 73298% below
- Medicare patients
- 32vs 26188% below
- Part D claims
- 167vs 60072% below
Medians across 137 nephrologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Linden'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. Linden?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Linden and other nephrologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ellena A. Linden treated 32 Medicare patients in 2024, average age 79
CMS counts 32 Medicare patients who saw Dr. Linden in 2024. The largest group is 85 and over, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 56% are also on Medicaid. Their average risk score is 2.23, 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. Linden's median patient age at 63, with 47% women.
Medicare patients, 202432
Average age79
Average risk score2.23
Also on Medicaid56%
Dr. Linden's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Linden's Medicare patients by sex, 2024
- Women1959%
- Men1341%
Chronic conditions among Dr. Linden's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease69%
- Diabetes53%
- Ischemic heart disease53%
- Arthritis50%
- Alzheimer's and dementia38%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Linden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ellena A. Linden wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Linden wrote 19 Medicare Part D claims. 100% of them were for generic drugs. They cover 8 drugs, with $22,208 in total drug cost. In 2020, CMS named 196 claims across 8 drugs.
Part D claims, 202419
Drugs named by CMS8
Total drug cost$22,208
Dr. Linden's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1962021: 16715%
Drugs named by CMS: 8 in 2021, 8 in 2020.
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. Ellena A. Linden offers telehealth to Medicare patients
Dr. Linden accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Linden as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ellena A. Linden has 2 publications on record
Dmand AI links 2 papers to Dr. Linden in 2012. The most frequent topics are Kidney Failure, Chronic. Dr. Linden's most frequent co-authors are George Nicholas Coritsidis, MD and Aaron Saul Stern, MD.
Papers2
Topics Dr. Linden writes about most
- Kidney Failure, Chronic
Dr. Linden's most frequent co-authors
Recent publications by Dr. Linden
Diabetes Mellitus, Type 2Disease ProgressionEarly Diagnosis
See who Dr. Linden researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Linden works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ellena A. Linden received $572 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Linden from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $242.
General payments to Dr. Linden by program year, 2016 to 2024
Companies that paid Dr. Linden the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ellena A. Linden graduated from University of Rochester School of Medicine and Dentistry
Dr. Linden graduated from University of Rochester School of Medicine and Dentistry in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ellena A. Linden'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ellena A. Linden
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. Ellena A. Linden's NPI number?
Dr. Ellena A. Linden's NPI number is 1306938576. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ellena A. Linden?
Dr. Ellena A. Linden is a nephrologist in Stamford, Connecticut. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Ellena A. Linden practice?
Dr. Linden practices at 1 Hospital Plz, Stamford, CT 06902. Dr. Linden's primary practice is Stamford Hospital in Stamford, Connecticut. Dmand AI also links Dr. Linden to 3 group practices and clinics and 2 medical groups.
What is Dr. Ellena A. Linden's office phone number?
The practice phone on file for Dr. Linden is (203) 276-1000.
What is Dr. Ellena A. Linden's medical license number?
Dr. Linden holds New York license 222024.
Which hospitals is Dr. Ellena A. Linden affiliated with?
Dr. Linden is affiliated with Lenox Hill Hospital.
What medical group is Dr. Ellena A. Linden part of?
Dr. Linden is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Linden to 2 more medical groups.
Does Dr. Ellena A. Linden accept Medicare?
Yes. CMS data shows Dr. Linden billed Medicare for 14 services in 2024, and Dr. Linden accepts Medicare assignment.
Does Dr. Ellena A. Linden offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Linden as offering telehealth services.
How many Medicare patients does Dr. Ellena A. Linden see?
CMS counts 32 Medicare patients who saw Dr. Linden in 2024, with an average age of 79.
Show 7 more questionsShow fewer questions
What services does Dr. Ellena A. Linden bill to Medicare?
In 2024, Dr. Linden's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Ellena A. Linden go to medical school?
Dr. Linden graduated from University of Rochester School of Medicine and Dentistry in 2000.
What drugs does Dr. Ellena A. Linden prescribe most?
In 2021 Medicare Part D data, Dr. Linden's most prescribed drugs by claims were Calcium Acetate, Sevelamer Carbonate and Furosemide.
Has Dr. Ellena A. Linden received payments from drug or device companies?
CMS Open Payments shows $572 in general payments to Dr. Linden from 10 companies from 2016 to 2024. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Ellena A. Linden been practicing?
Dr. Linden graduated from medical school in 2000, 26 years ago.
Does Dr. Ellena A. Linden do research?
Dmand AI links 2 publications to Dr. Linden.
Who does Dr. Ellena A. Linden publish with?
Dr. Linden's most frequent co-authors are George Nicholas Coritsidis, MD (2 shared papers) and Aaron Saul Stern, MD (1 shared paper).
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