Dr. Karl C. Stajduhar, MD
- Medicare services, 2024
- 3,857
- Medicare patients, 2024
- 2,821
- Part D claims, 2024
- 80
- MIPS score, 2024
- 84
- Hospital affiliations
- 3
- Practice address
- 27 Park Street, Hyannis, MA 02601
- Practice phone
- Call (508) 771-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stajduhar's professional email, personal email and mobile number
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Dr. Karl C. Stajduhar is a cardiologist in Hyannis, Massachusetts
Dr. Stajduhar practices at Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Dr. Stajduhar's NPI, 1356386734, was assigned on June 18, 2006. Dr. Stajduhar graduated from University of Pittsburgh School of Medicine in 1983. Dr. Stajduhar holds Massachusetts license 257626.
- NPI
- 1356386734NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426073941
- NPI enumeration date
- June 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 771-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl C. Stajduhar practices at Cape Cod Hospital in Hyannis, Massachusetts
Dr. Stajduhar's primary practice is Cape Cod Hospital, at 27 Park Street, Hyannis, MA 02601 in Barnstable County. The practice phone is (508) 771-1800.
- Cape Cod Hospital27 Park Street, Hyannis, MA 02601 · Barnstable CountyPhone(508) 771-1800
Source: Dmand AI Affiliation Data
Dr. Karl C. Stajduhar is affiliated with 3 sites of care and 2 medical groups
Dr. Stajduhar's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. Dr. Stajduhar is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Cape Cod Healthcare. Dmand AI also links Dr. Stajduhar to 1 more hospital 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. Karl C. Stajduhar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stajduhar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cape Cod Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cape Cod Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karl C. Stajduhar is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Stajduhar's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Stajduhar is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Stajduhar
Counts of cardiologists 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. Karl C. Stajduhar billed Medicare for 3,857 services in 2024
CMS data shows 3,857 Medicare services from Dr. Stajduhar across 15 procedure codes in 2024, for 2,821 Medicare patients. Medicare paid $76,543 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stajduhar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,0672024: 3,2586%
- Office and hospital visits
- 2023: 5652024: 5996%
Dr. Stajduhar compared with the Massachusetts median for cardiologists, 2024
- Dr. Stajduhar
- Massachusetts median
- Medicare services
- 3,857vs 1,6122.4 times
- Medicare patients
- 2,821vs 9563.0 times
- Part D claims
- 11vs 84699% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Stajduhar'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. Stajduhar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stajduhar and other cardiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl C. Stajduhar treated 2,821 Medicare patients in 2024, average age 78
CMS counts 2,821 Medicare patients who saw Dr. Stajduhar in 2024. The largest group is 75 to 84, with 1,096 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.71, 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. Stajduhar's median patient age at 68, with 48% women.
Dr. Stajduhar's Medicare patients by age, 2024
Dr. Stajduhar's Medicare patients by sex, 2024
- Women1,49853%
- Men1,32347%
Chronic conditions among Dr. Stajduhar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease48%
- Atrial fibrillation42%
- Anxiety39%
- Mood disorders38%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stajduhar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl C. Stajduhar wrote 80 Medicare Part D claims in 2024
In 2024, Dr. Stajduhar wrote 80 Medicare Part D claims for 38 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $127 in total drug cost.
Dr. Stajduhar's Part D claims by kind of drug, 2024
- Generic69 claims86%
- Brand-name11 claims14%
Dr. Stajduhar's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Karl C. Stajduhar scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Stajduhar for performance year 2024, reported as part of a group. Dr. Stajduhar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Stajduhar's MIPS scores, performance year 2024
- 84of 100Final score
- 71.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Karl C. Stajduhar received $248 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to Dr. Stajduhar from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $216.
General payments to Dr. Stajduhar by program year, 2017 to 2021
Companies that paid Dr. Stajduhar the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karl C. Stajduhar graduated from University of Pittsburgh School of Medicine
Dr. Stajduhar graduated from University of Pittsburgh School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl C. Stajduhar'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) |
| 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. Karl C. Stajduhar
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. Karl C. Stajduhar's NPI number?
Dr. Karl C. Stajduhar's NPI number is 1356386734. It was assigned on June 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl C. Stajduhar?
Dr. Karl C. Stajduhar is a cardiologist in Hyannis, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Karl C. Stajduhar practice?
Dr. Stajduhar practices at 27 Park Street, Hyannis, MA 02601. Dr. Stajduhar's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. Dmand AI also links Dr. Stajduhar to 1 hospital and 1 medical group.
What is Dr. Karl C. Stajduhar's office phone number?
The practice phone on file for Dr. Stajduhar is (508) 771-1800.
What is Dr. Karl C. Stajduhar's medical license number?
Dr. Stajduhar holds Massachusetts license 257626.
Which hospitals is Dr. Karl C. Stajduhar affiliated with?
Dr. Stajduhar practices at Cape Cod Hospital in Hyannis, Massachusetts. Dr. Stajduhar is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Stajduhar to 1 more hospital.
What medical group is Dr. Karl C. Stajduhar part of?
Dr. Stajduhar is linked to Cape Cod Healthcare. Dmand AI links Dr. Stajduhar to 1 more medical group.
Does Dr. Karl C. Stajduhar accept Medicare?
Yes. CMS data shows Dr. Stajduhar billed Medicare for 3,857 services in 2024, and Dr. Stajduhar accepts Medicare assignment.
What is Dr. Karl C. Stajduhar's MIPS score?
Dr. Stajduhar's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Karl C. Stajduhar see?
CMS counts 2,821 Medicare patients who saw Dr. Stajduhar in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Karl C. Stajduhar bill to Medicare?
In 2024, Dr. Stajduhar's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99222) and hospital inpatient care (99232).
Where did Dr. Karl C. Stajduhar go to medical school?
Dr. Stajduhar graduated from University of Pittsburgh School of Medicine in 1983.
What drugs does Dr. Karl C. Stajduhar prescribe most?
In 2016 Medicare Part D data, Dr. Stajduhar's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Karl C. Stajduhar received payments from drug or device companies?
CMS Open Payments shows $248 in general payments to Dr. Stajduhar from 3 companies from 2017 to 2021. The largest total came from Abbott Laboratories.
How long has Dr. Karl C. Stajduhar been practicing?
Dr. Stajduhar graduated from medical school in 1983, 43 years ago.
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