Doctor profile · Federal record

Dr. John Ok, MD

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Dallas, TX

  • NPI 1548462435
  • Accepts Medicare
  • MIPS 93.5 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12222 Merit Dr Ste 600
Dallas, TX 752513294
(972) 715-5000
fax (972) 715-9976
Additional location
6606 Lbj Fwy, Suite 200
Dallas, TX 752406533
Mailing address
Po Box 840853
Dallas, TX 752840853

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
August 4, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Texas #P2327 · Maryland #D0072405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548462435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
241
Distinct HCPCS
9
Medicare allowed
$19,214
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 45 43 $112
36620 Insertion of artery tube for blood sampling or infusion through skin 36 36 $43
64999 Other procedure on nervous system 31 31 $21
76942 Ultrasonic guidance for needle placement 31 31 $30
64488 Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 28 28 $65
00790 Anesthesia for other procedure on upper abdomen 19 19 $287
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 17 $126
76937 Ultrasonic guidance for blood vessel access 17 17 $14
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 16 16 $80

In context: peer comparison

Among 430 peers in Dallas Anesthesiology Physician, average services per provider: 52. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$141
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Haemonetics Corporation 1 $80.39
Merck Sharp & Dohme LLC 2 $32.34
Fisher & Paykel Healthcare INC 1 $27.79

By nature of payment

Food and Beverage
$122
Education
$18

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ok's medical specialty?
Dr. John Ok practices Anesthesiology Physician in Dallas, TX.
Where does Dr. John Ok practice?
Dr. John Ok practices at 12222 Merit Dr Ste 600, Dallas, TX 752513294. Office phone: 9727155000.
What is Dr. John Ok's NPI?
Dr. John Ok's National Provider Identifier (NPI) is 1548462435, issued by NPPES.
Does Dr. John Ok accept Medicare assignment?
Yes. Dr. John Ok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Ok commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Other procedure on nervous system (HCPCS 64999). Source: CMS Medicare Physician & Other Practitioners file.