Doctor profile · Federal record

Dr. William Collazo, M.D., F.A.C.C.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Oklahoma City, OK

  • NPI 1649290594
  • Accepts Medicare
  • MIPS 96.0 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1211 N Shartel Ave Ste 1006
Oklahoma City, OK 731032433
(405) 546-7699
fax (405) 546-7795

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 27, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Oklahoma #17633
Medicaid
OK #100256940A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649290594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,453
Distinct HCPCS
10
Medicare allowed
$187,213
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 623 283 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 583 276 $118
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 130 52 $20
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 126 22 $25
G2066 Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec 124 22 $33
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 112 112 $171
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 95 40 $28
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 95 94 $65
93880 Ultrasound of both sides of head and neck blood flow 46 46 $172
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 46 28 $113

In context: peer comparison

Among 13 peers in Oklahoma City Cardiovascular Disease Physician, average services per provider: 125. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$500
Transactions
14
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 14 $500.10

By nature of payment

Food and Beverage
$500

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,776
Patients
879
Total drug cost
$212,093
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 450 125 $10,144
Atorvastatin Calcium Generic 403 124 $12,414
Losartan Potassium Generic 275 84 $5,268
Clopidogrel (Clopidogrel Bisulfate) Brand 237 72 $3,857
Amlodipine Besylate Generic 211 64 $3,018
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 183 49 $3,303
Furosemide Generic 177 69 $1,406
Ezetimibe Generic 168 63 $14,682
Eliquis (Apixaban) Brand 130 38 $145,835
Lisinopril Generic 124 39 $1,516

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Collazo's medical specialty?
Dr. William Collazo practices Cardiovascular Disease Physician in Oklahoma City, OK.
Where does Dr. William Collazo practice?
Dr. William Collazo practices at 1211 N Shartel Ave Ste 1006, Oklahoma City, OK 731032433. Office phone: 4055467699.
What is Dr. William Collazo's NPI?
Dr. William Collazo's National Provider Identifier (NPI) is 1649290594, issued by NPPES.
Does Dr. William Collazo accept Medicare assignment?
Yes. Dr. William Collazo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Collazo commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296). Source: CMS Medicare Physician & Other Practitioners file.