Dr. Michael Kellner, MD
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 164
- Publications
- 2
- MIPS score, 2024
- 94
- Practice address
- 100 Grand Street, New Britain, CT 06050
- Practice phone
- Call (860) 224-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kellner's professional email, personal email and mobile number
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Dr. Michael Kellner is an emergency medicine physician in New Britain, Connecticut
Dr. Kellner practices at The Hospital of Central Connecticut in New Britain, Connecticut, part of Hartford HealthCare.
Dr. Kellner's NPI, 1225423338, was assigned on April 6, 2015. Dr. Kellner graduated from Columbia University College of Physicians and Surgeons in 2015. Dr. Kellner holds Connecticut license 60321.
- NPI
- 1225423338NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820304736
- NPI enumeration date
- April 6, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 224-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Kellner practices at The Hospital of Central Connecticut in New Britain, Connecticut
Dr. Kellner's primary practice is The Hospital of Central Connecticut, at 100 Grand Street, New Britain, CT 06050 in Hartford County. The practice phone is (860) 224-5011.
- The Hospital of Central Connecticut100 Grand Street, New Britain, CT 06050 · Hartford CountyPhone(860) 224-5011
Source: Dmand AI Affiliation Data
Dr. Michael Kellner is affiliated with 3 sites of care and 2 medical groups
Dr. Kellner's primary practice is The Hospital of Central Connecticut in New Britain, Connecticut, part of Hartford HealthCare. The medical group on file is The Hospital of Central Connecticut. Dmand AI also links Dr. Kellner to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Kellner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kellner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Hospital of Central Connecticut | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Kellner is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Kellner's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kellner is licensed in Connecticut.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
Emergency medicine physicians near Dr. Kellner
Counts of emergency medicine physicians 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. Michael Kellner billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. Kellner across 2 procedure codes in 2024, for 119 Medicare patients. Medicare paid $13,693 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kellner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 752024: 11148%
Dr. Kellner compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. Kellner
- Connecticut median
- Medicare services
- 111vs 24354% below
- Medicare patients
- 119vs 25052% below
- Part D claims
- 70vs 4846% above
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Kellner'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kellner and other emergency medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Kellner treated 119 Medicare patients in 2024, average age 73
CMS counts 119 Medicare patients who saw Dr. Kellner in 2024. The largest group is 75 to 84, with 32 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 52% are also on Medicaid. Their average risk score is 2.53, 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. Kellner's median patient age at 52, with 55% women.
Dr. Kellner's Medicare patients by age, 2024
Dr. Kellner's Medicare patients by sex, 2024
- Women6050%
- Men5950%
Chronic conditions among Dr. Kellner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Anxiety55%
- Mood disorders55%
- Arthritis49%
- Depression47%
- Chronic kidney disease43%
- Ischemic heart disease43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kellner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Kellner wrote 164 Medicare Part D claims in 2024
In 2024, Dr. Kellner wrote 164 Medicare Part D claims for 95 patients. 96% of them were for generic drugs. CMS names the drug for 70 of them, across 5 drugs with 11 or more claims each, at $307 in total drug cost. In 2023, CMS named 41 claims across 3 drugs.
Dr. Kellner's Part D claims by kind of drug, 2024
- Generic157 claims96%
- Brand-name and other7 claims4%
Dr. Kellner'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. Kellner's Part D claims, 2024
- Opioids16%27 of 164 claims
- Antibiotics26%42 of 164 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: 412024: 7071%
Drugs named by CMS: 5 in 2024, 3 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. Michael Kellner scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Kellner for performance year 2024, reported as part of a group. Dr. Kellner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kellner's MIPS scores, performance year 2024
- 94of 100Final score
- 83.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 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. Michael Kellner has 2 publications on record
Dmand AI links 2 papers to Dr. Kellner, published from 2010 to 2011. Dr. Kellner's most frequent co-authors are Paul R. Gigante, MD, Brian Yujin Hwang, MD and Christopher Paul Kellner, MD.
Dr. Kellner's most frequent co-authors
- Paul R. Gigante, MD2 shared papers
- Brian Yujin Hwang, MD2 shared papers
- Christopher Paul Kellner, MD2 shared papers
Recent publications by Dr. Kellner
See who Dr. Kellner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kellner works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Kellner received $124 in industry payments from 2021 to 2024
CMS Open Payments shows 6 general payments to Dr. Kellner from 5 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $36.
General payments to Dr. Kellner by program year, 2021 to 2024
Companies that paid Dr. Kellner the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Kellner graduated from Columbia University College of Physicians and Surgeons
Dr. Kellner graduated from Columbia University College of Physicians and Surgeons in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Kellner'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Michael Kellner
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. Michael Kellner's NPI number?
Dr. Michael Kellner's NPI number is 1225423338. It was assigned on April 6, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Kellner?
Dr. Michael Kellner is an emergency medicine physician in New Britain, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Michael Kellner practice?
Dr. Kellner practices at 100 Grand Street, New Britain, CT 06050. Dr. Kellner's primary practice is The Hospital of Central Connecticut in New Britain, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Kellner to 2 group practices and clinics and 1 medical group.
What is Dr. Michael Kellner's office phone number?
The practice phone on file for Dr. Kellner is (860) 224-5011.
What is Dr. Michael Kellner's medical license number?
Dr. Kellner holds Connecticut license 60321.
Which hospitals is Dr. Michael Kellner affiliated with?
Dr. Kellner practices at The Hospital of Central Connecticut in New Britain, Connecticut.
What medical group is Dr. Michael Kellner part of?
Dr. Kellner is linked to The Hospital of Central Connecticut. Dmand AI links Dr. Kellner to 1 more medical group.
Does Dr. Michael Kellner accept Medicare?
Yes. CMS data shows Dr. Kellner billed Medicare for 111 services in 2024, and Dr. Kellner accepts Medicare assignment.
What is Dr. Michael Kellner's MIPS score?
Dr. Kellner's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael Kellner see?
CMS counts 119 Medicare patients who saw Dr. Kellner in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Michael Kellner bill to Medicare?
In 2024, Dr. Kellner's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Michael Kellner go to medical school?
Dr. Kellner graduated from Columbia University College of Physicians and Surgeons in 2015.
What drugs does Dr. Michael Kellner prescribe most?
In 2024 Medicare Part D data, Dr. Kellner's most prescribed drugs by claims were Oxycodone HCl, Cephalexin and Meloxicam.
Has Dr. Michael Kellner received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Kellner from 5 companies from 2021 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Michael Kellner been practicing?
Dr. Kellner graduated from medical school in 2015, 11 years ago.
Does Dr. Michael Kellner do research?
Dmand AI links 2 publications to Dr. Kellner, published from 2010 to 2011.
Who does Dr. Michael Kellner publish with?
Dr. Kellner's most frequent co-authors are Paul R. Gigante, MD (2 shared papers), Brian Yujin Hwang, MD (2 shared papers) and Christopher Paul Kellner, MD (2 shared papers).
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