Dr. Mary E. Fedor, MD
- Medicare services, 2024
- 247
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 143
- Publications
- 1
- MIPS score, 2024
- 87
- 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. Fedor'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. Mary E. Fedor is an allergist and immunologist in Stamford, Connecticut
Dr. Fedor practices at Stamford Hospital in Stamford, Connecticut.
Dr. Fedor's NPI, 1730110388, was assigned on July 5, 2006. Dr. Fedor graduated from Ross University School of Medicine in 1998. Dr. Fedor's New York license number on file is 232091.
- NPI
- 1730110388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446214613
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 276-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary E. Fedor practices at Stamford Hospital in Stamford, Connecticut
Dr. Fedor'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. Mary E. Fedor is affiliated with 4 sites of care and 1 medical group
Dr. Fedor's primary practice is Stamford Hospital in Stamford, Connecticut. Dr. Fedor is also affiliated with Stamford Hospital. The medical group on file is Stamford Health Medical Group. Dmand AI also links Dr. Fedor to 1 more physician office and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary E. Fedor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fedor practices, 3 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary E. Fedor is one of 51 allergists and immunologists in Connecticut
Allergy and immunology is Dr. Fedor's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Fedor is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Fedor's licenses on file in 3 states: New York, Connecticut and New Jersey.
Specialties and state licenses
- Allergy and immunology, New YorkPrimary
- Internal medicine, Connecticut
- New Jersey license
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, cellulitis, congestive heart failure, dementia, gastrointestinal infection, gastrointestinal inflammation and heart attack among the conditions Dr. Fedor treats.
Allergists and immunologists near Dr. Fedor
Counts of allergists and immunologists 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. Mary E. Fedor billed Medicare for 247 services in 2024
CMS data shows 247 Medicare services from Dr. Fedor across 5 procedure codes in 2024, for 115 Medicare patients. Medicare paid $24,322 for them.
Dr. Fedor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4112024: 24740%
Where Dr. Fedor's Medicare services took place, 2024
- In an office135%
- In a facility23495%
Dr. Fedor compared with the Connecticut median for allergists and immunologists, 2024
- Dr. Fedor
- Connecticut median
- Medicare services
- 247vs 83871% below
- Medicare patients
- 115vs 8634% above
- Part D claims
- 38vs 15575% below
Medians across 50 allergists and immunologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Fedor'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. Fedor?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fedor and other allergists and immunologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary E. Fedor treated 115 Medicare patients in 2024, average age 79
CMS counts 115 Medicare patients who saw Dr. Fedor in 2024. The largest group is 75 to 84, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.83, 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. Fedor's median patient age at 64, with 50% women.
Dr. Fedor's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fedor's Medicare patients by sex, 2024
- Women6657%
- Men4943%
Chronic conditions among Dr. Fedor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Anxiety50%
- Atrial fibrillation42%
- Heart failure39%
- Mood disorders39%
- Alzheimer's and dementia38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fedor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary E. Fedor wrote 143 Medicare Part D claims in 2024
In 2024, Dr. Fedor wrote 143 Medicare Part D claims for 38 patients. 92% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $227 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Fedor's Part D claims by kind of drug, 2024
- Generic132 claims92%
- Brand-name11 claims8%
Dr. Fedor'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 38111%
Drugs named by CMS: 3 in 2024, 1 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. Mary E. Fedor scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Fedor for performance year 2024, reported as part of a group. Dr. Fedor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fedor's MIPS scores, performance year 2024
- 87of 100Final score
- 84.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mary E. Fedor has 1 publication on record
Dmand AI links 1 paper to Dr. Fedor.
Recent publications by Dr. Fedor
See who Dr. Fedor researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fedor works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mary E. Fedor received $141 in industry payments from 2019 to 2023
CMS Open Payments shows 2 general payments to Dr. Fedor from 2 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $120.
General payments to Dr. Fedor by program year, 2019 to 2023
Companies that paid Dr. Fedor the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary E. Fedor has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fedor.
Awards and honors for Dr. Fedor
- Undated
- Top Doctor
Source: Dmand AI Professional Profile Data
Dr. Mary E. Fedor graduated from Ross University School of Medicine
Dr. Fedor graduated from Ross University School of Medicine in 1998. Dr. Fedor is a member of ACP.
- Medical school
- Board certified in allergy & immunology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mary E. Fedor accepts plans from 14 insurance carriers
Dr. Fedor is in network with 14 carriers, including Aetna, MVP Health Care and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- MVP Health Care
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Fedor accepts, by number of carriers
- PPO9
- HMO6
- Medicare6
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mary E. Fedor'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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Mary E. Fedor
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. Mary E. Fedor's NPI number?
Dr. Mary E. Fedor's NPI number is 1730110388. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary E. Fedor?
Dr. Mary E. Fedor is an allergist and immunologist in Stamford, Connecticut. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Mary E. Fedor practice?
Dr. Fedor practices at 1 Hospital Plz, Stamford, CT 06902. Dr. Fedor's primary practice is Stamford Hospital in Stamford, Connecticut. Dmand AI also links Dr. Fedor to 1 physician office and 1 hospice.
What is Dr. Mary E. Fedor's office phone number?
The practice phone on file for Dr. Fedor is (203) 276-1000.
What is Dr. Mary E. Fedor's medical license number?
Dr. Fedor's New York license number on file is 232091, one of the licenses on file in 3 states.
Which states has Dr. Mary E. Fedor been licensed in?
Dmand AI has state licenses on file for Dr. Fedor in New York (2004 to 2025), Connecticut (2004 to 2025) and New Jersey (2005).
Which hospitals is Dr. Mary E. Fedor affiliated with?
Dr. Fedor is affiliated with Stamford Hospital.
What medical group is Dr. Mary E. Fedor part of?
Dr. Fedor is linked to Stamford Health Medical Group.
Does Dr. Mary E. Fedor accept Medicare?
Yes. CMS data shows Dr. Fedor billed Medicare for 247 services in 2024, and Dr. Fedor accepts Medicare assignment.
What is Dr. Mary E. Fedor's MIPS score?
Dr. Fedor's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Mary E. Fedor see?
CMS counts 115 Medicare patients who saw Dr. Fedor in 2024, with an average age of 79.
Is Dr. Mary E. Fedor board certified?
Yes. Dr. Fedor is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Mary E. Fedor bill to Medicare?
In 2024, Dr. Fedor's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Where did Dr. Mary E. Fedor go to medical school?
Dr. Fedor graduated from Ross University School of Medicine in 1998.
What drugs does Dr. Mary E. Fedor prescribe most?
In 2024 Medicare Part D data, Dr. Fedor's most prescribed drugs by claims were Atorvastatin Calcium, Fluticasone Propionate and Furosemide.
Has Dr. Mary E. Fedor received payments from drug or device companies?
CMS Open Payments shows $141 in general payments to Dr. Fedor from 2 companies from 2019 to 2023. The largest total came from Allergan Inc.
How long has Dr. Mary E. Fedor been practicing?
Dr. Fedor graduated from medical school in 1998, 28 years ago.
Does Dr. Mary E. Fedor do research?
Dmand AI links 1 publication to Dr. Fedor.
What insurance does Dr. Mary E. Fedor accept?
Dr. Fedor is in network with 14 carriers, including Aetna, MVP Health Care and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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