Doctor profile · Federal record

Dr. Mark Hart, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Portland, OR

  • NPI 1134111669
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10000 Se Main St Ste 60
Portland, OR 972162461
(503) 257-0959
fax (503) 257-3457

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 25, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Oregon #MD17247
Medicaid
OR #044193

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134111669. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,071
Distinct HCPCS
9
Medicare allowed
$62,467
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 439 349 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 173 148 $106
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 141 141 $69
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 86 85 $14
99204 New patient office or other outpatient visit, 45-59 minutes 74 74 $159
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 71 71 $193
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 42 40 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 34 34 $99
93308 Ultrasound of heart, follow-up 11 11 $25

In context: peer comparison

Among 37 peers in Portland Cardiovascular Disease Physician, average services per provider: 82. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,494
Patients
848
Total drug cost
$550,578
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 487 173 $8,408
Atorvastatin Calcium Generic 362 121 $5,101
Eliquis (Apixaban) Brand 350 103 $518,330
Losartan Potassium Generic 178 74 $2,916
Lisinopril Generic 175 57 $1,807
Carvedilol Generic 141 46 $1,971
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 139 38 $4,185
Spironolactone Generic 114 40 $1,152
Metoprolol Tartrate Generic 91 30 $843
Hydrochlorothiazide Generic 89 30 $732

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hart's medical specialty?
Dr. Mark Hart practices Cardiovascular Disease Physician in Portland, OR.
Where does Dr. Mark Hart practice?
Dr. Mark Hart practices at 10000 Se Main St Ste 60, Portland, OR 972162461. Office phone: 5032570959.
What is Dr. Mark Hart's NPI?
Dr. Mark Hart's National Provider Identifier (NPI) is 1134111669, issued by NPPES.
Does Dr. Mark Hart accept Medicare assignment?
Yes. Dr. Mark Hart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hart commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.