Dr. Christopher Robert Janowiecki, MD
- Medicare services, 2024
- 219
- Medicare patients, 2024
- 217
- Part D claims, 2024
- 19
- Publications
- 2
- Hospital affiliations
- 2
- 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. Janowiecki'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. Christopher Robert Janowiecki is an internist in Stamford, Connecticut
Dr. Janowiecki practices at Stamford Hospital in Stamford, Connecticut.
Dr. Janowiecki's NPI, 1548457229, was assigned on September 26, 2007. Dr. Janowiecki holds Connecticut license 66744.
- NPI
- 1548457229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739373895
- NPI enumeration date
- September 26, 2007
- 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
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Robert Janowiecki practices at Stamford Hospital in Stamford, Connecticut
Dr. Janowiecki'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. Christopher Robert Janowiecki is affiliated with 3 sites of care and 2 medical groups
Dr. Janowiecki's primary practice is Stamford Hospital in Stamford, Connecticut. Dr. Janowiecki is also affiliated with Stamford Hospital. The medical group on file is Stamford Health Medical Group. Dmand AI also links Dr. Janowiecki to 1 more hospital and 1 medical group, 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. Christopher Robert Janowiecki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janowiecki practices, 2 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Robert Janowiecki is one of 2,189 internists in Connecticut
Internal medicine is Dr. Janowiecki's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Janowiecki's licenses on file in 3 states: Connecticut, Kentucky and Tennessee.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
- Kentucky license
- Tennessee license
Internists near Dr. Janowiecki
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. Christopher Robert Janowiecki billed Medicare for 219 services in 2024
CMS data shows 219 Medicare services from Dr. Janowiecki across 2 procedure codes in 2024, for 217 Medicare patients. Medicare paid $27,734 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Janowiecki's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4122024: 21947%
Dr. Janowiecki compared with the Connecticut median for internists, 2024
- Dr. Janowiecki
- Connecticut median
- Medicare services
- 219vs 39044% below
- Medicare patients
- 217vs 17226% above
- Part D claims
- 25vs 34393% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Janowiecki'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. Janowiecki and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Robert Janowiecki treated 217 Medicare patients in 2024, average age 82
CMS counts 217 Medicare patients who saw Dr. Janowiecki in 2024. The largest group is 85 and over, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.33, 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. Janowiecki's median patient age at 63, with 50% women.
Dr. Janowiecki's Medicare patients by age, 2024
Dr. Janowiecki's Medicare patients by sex, 2024
- Women12357%
- Men9443%
Chronic conditions among Dr. Janowiecki's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Anxiety49%
- Ischemic heart disease48%
- Heart failure47%
- Mood disorders46%
- Alzheimer's and dementia42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janowiecki'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
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Robert Janowiecki wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Janowiecki wrote 19 Medicare Part D claims for 12 patients. 79% of them were for generic drugs. They cover 2 drugs, with $2,340 in total drug cost. In 2019, CMS named 101 claims across 7 drugs.
Dr. Janowiecki's Part D claims by kind of drug, 2024
- Generic15 claims79%
- Brand-name and other4 claims21%
Dr. Janowiecki's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1012020: 2575%
Drugs named by CMS: 2 in 2020, 7 in 2019.
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
How Dr. Christopher Robert Janowiecki takes part in Medicare
Dr. Janowiecki 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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Dr. Christopher Robert Janowiecki has 2 publications on record
Dmand AI links 2 papers to Dr. Janowiecki, published from 2022 to 2023. Dr. Janowiecki's most frequent co-authors are Mahmoud Adel Mohamed Abdelrahman, MD, Georges El Hasbani, MD and Haritha Reddy Mopuru, MD.
Dr. Janowiecki's most frequent co-authors
- Mahmoud Adel Mohamed Abdelrahman, MD1 shared paper
- Georges El Hasbani, MD1 shared paper
- Haritha Reddy Mopuru, MD1 shared paper
Recent publications by Dr. Janowiecki
See who Dr. Janowiecki researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Janowiecki works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Christopher Robert Janowiecki'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Christopher Robert Janowiecki
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. Christopher Robert Janowiecki's NPI number?
Dr. Christopher Robert Janowiecki's NPI number is 1548457229. It was assigned on September 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Robert Janowiecki?
Dr. Christopher Robert Janowiecki is an internist in Stamford, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher Robert Janowiecki practice?
Dr. Janowiecki practices at 1 Hospital Plz, Stamford, CT 06902. Dr. Janowiecki's primary practice is Stamford Hospital in Stamford, Connecticut. Dmand AI also links Dr. Janowiecki to 1 hospital and 1 medical group.
What is Dr. Christopher Robert Janowiecki's office phone number?
The practice phone on file for Dr. Janowiecki is (203) 276-1000.
What is Dr. Christopher Robert Janowiecki's medical license number?
Dr. Janowiecki holds Connecticut license 66744, one of the licenses on file in 3 states.
Which states has Dr. Christopher Robert Janowiecki been licensed in?
Dmand AI has state licenses on file for Dr. Janowiecki in Connecticut, Kentucky and Tennessee.
Which hospitals is Dr. Christopher Robert Janowiecki affiliated with?
Dr. Janowiecki is affiliated with Stamford Hospital. Dmand AI links Dr. Janowiecki to 1 more hospital.
What medical group is Dr. Christopher Robert Janowiecki part of?
Dr. Janowiecki is linked to Stamford Health Medical Group. Dmand AI links Dr. Janowiecki to 1 more medical group.
Does Dr. Christopher Robert Janowiecki accept Medicare?
Yes. CMS data shows Dr. Janowiecki billed Medicare for 219 services in 2024, and Dr. Janowiecki accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Robert Janowiecki see?
CMS counts 217 Medicare patients who saw Dr. Janowiecki in 2024, with an average age of 82.
Show 5 more questionsShow fewer questions
What services does Dr. Christopher Robert Janowiecki bill to Medicare?
In 2024, Dr. Janowiecki's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
What drugs does Dr. Christopher Robert Janowiecki prescribe most?
In 2020 Medicare Part D data, Dr. Janowiecki's most prescribed drugs by claims were Midodrine HCl and Pantoprazole Sodium.
How long has Dr. Christopher Robert Janowiecki been practicing?
Dr. Janowiecki graduated from medical school in 2007, 19 years ago.
Does Dr. Christopher Robert Janowiecki do research?
Dmand AI links 2 publications to Dr. Janowiecki, published from 2022 to 2023.
Who does Dr. Christopher Robert Janowiecki publish with?
Dr. Janowiecki's most frequent co-authors are Mahmoud Adel Mohamed Abdelrahman, MD (1 shared paper), Georges El Hasbani, MD (1 shared paper) and Haritha Reddy Mopuru, MD (1 shared paper).
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