Doctor profile · Federal record

Dr. Karl Stajduhar, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Clinical Cardiac Electrophysiology Physician · Hyannis, MA

  • NPI 1356386734
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27 Park St., Cape Cod Hospital - Inpatient Cardiology
Hyannis, MA 026010000
(508) 862-5839
fax (508) 862-7316
Mailing address
27 Park St, Cape Cod Hospital - Inpatient Cardiology
Hyannis, MA 026015230

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 13, 2014
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Massachusetts #257626

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356386734. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,632
Distinct HCPCS
10
Medicare allowed
$99,070
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 2,726 2,298 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 234 150 $81
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 169 167 $70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 122 122 $133
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional 69 69 $19
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 69 61 $51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 40 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 43 $178
99239 Hospital discharge day management, more than 30 minutes 40 40 $118
92960 External shock to heart to regulate heart beat 38 36 $111

In context: peer comparison

Among 11 peers in Hyannis Cardiovascular Disease Physician, average services per provider: 324. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Stajduhar's medical specialty?
Dr. Karl Stajduhar practices Cardiovascular Disease Physician in Hyannis, MA.
Where does Dr. Karl Stajduhar practice?
Dr. Karl Stajduhar practices at 27 Park St., Hyannis, MA 026010000. Office phone: 5088625839.
What is Dr. Karl Stajduhar's NPI?
Dr. Karl Stajduhar's National Provider Identifier (NPI) is 1356386734, issued by NPPES.
Does Dr. Karl Stajduhar accept Medicare assignment?
Yes. Dr. Karl Stajduhar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Stajduhar commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.