Doctor profile · Federal record

Dr. Mark Bielefeld, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Corpus Christi, TX

  • NPI 1538255229
  • Accepts Medicare
  • MIPS 75.6 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1224 3Rd St, Ste 1
Corpus Christi, TX 784042354
(361) 854-0201
fax (361) 855-7572
Mailing address
Po Box 30104
Corpus Christi, TX 784630104

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 21, 2016
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Texas #L1528
Medicaid
TX #141071401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538255229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
527
Distinct HCPCS
8
Medicare allowed
$105,397
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 373 122 $76
33533 Coronary artery bypass using artery graft, 1 graft 32 32 $1,745
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $125
99203 New patient office or other outpatient visit, 30-44 minutes 23 23 $106
33518 Coronary artery bypass using vein or artery graft, 2 grafts 20 20 $382
99291 Critical care, first 30-74 minutes 17 17 $205
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $167

In context: peer comparison

Among 3 peers in this city , average services per provider: 55. This provider delivers 9.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$955
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ATRICURE, INC. 6 $433.51
ABIOMED 6 $375.09
CVRx, Inc. 1 $107.61
Medtronic, Inc. 2 $38.92

By nature of payment

Food and Beverage
$955

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
54
Total drug cost
$1,344
Drug Type Claims Patients Total cost
Gabapentin Generic 40 16 $881
Furosemide Generic 28 21 $125
Metoprolol Tartrate Generic 20 17 $90
Atorvastatin Calcium Generic 12 0 $212
Lisinopril Generic 11 0 $37

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Bielefeld's medical specialty?
Dr. Mark Bielefeld practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Corpus Christi, TX.
Where does Dr. Mark Bielefeld practice?
Dr. Mark Bielefeld practices at 1224 3Rd St, Corpus Christi, TX 784042354. Office phone: 3618540201.
What is Dr. Mark Bielefeld's NPI?
Dr. Mark Bielefeld's National Provider Identifier (NPI) is 1538255229, issued by NPPES.
Does Dr. Mark Bielefeld accept Medicare assignment?
Yes. Dr. Mark Bielefeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Bielefeld commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.