Physician Profile
Unclaimed ProfileAbout COLLAZO
William A Collazo, M.D., F.A.C.C. is a healthcare provider in Oklahoma City, OK specialising in cardiovascular disease (cardiology). William trained at Baylor College of Medicine, graduating in 1981. William is also listed as specialising in cardiovascular disease. According to Medicare claims data, William cared for 1,664 Medicare patients across 2,930 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Collazo specialise in?
Dr. Collazo is a cardiovascular disease (cardiology) in Oklahoma City, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Collazo located?
Dr. Collazo is listed at 1211 N SHARTEL AVE STE 1006, Oklahoma City, OK 73103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Collazo's phone number?
The number on file is (405) 546-7699. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Collazo's NPI number?
Dr. Collazo's National Provider Identifier is 1649290594. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Collazo go to medical school?
Dr. Collazo attended Baylor College of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Collazo been practising?
Dr. Collazo has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Collazo do most often?
According to Medicare billing data, Dr. Collazo performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect and nuclear medicine study of heart muscle blood flow by pet; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Collazo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Collazo. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (405) 546-7699
- Email not available
Practice Locations
1211 N SHARTEL AVE STE 1006
Oklahoma City, OK 73103
Procedures Most Often Billed to Medicare
2,930 services · 1,664 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
21 |
| Nuclear medicine study of heart muscle blood flow by pet | Imaging | 78434 |
21 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | Imaging | 78431 |
21 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
748 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
510 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
149 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
114 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
106 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
92 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
78 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiovascular diseases in Oklahoma City 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in OK who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.