Are you Dr. Freeman? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 4306 de Zavala Rd Bldg 1, San Antonio, TX 78249
About Dr. Freeman
Based in San Antonio, TX, Gregory L. Freeman, MD is listed in the NPI registry under cardiovascular disease. Gregory graduated from Loyola University of Chicago, Stritch School of Medicine in 1976. According to Medicare claims data, Gregory cared for 82 Medicare patients across 92 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1871600866 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 450-6720
- Email not available
Practice Locations
4306 DE ZAVALA RD BLDG 1
San Antonio, TX 78249
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
92 services · 82 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
20 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | Less often than most peers in Cardiovascular Disease |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
14 | Less often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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 cardiologists in San Antonio 8
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1976 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Freeman specialize in?
Dr. Freeman is a cardiologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is Dr. Freeman located?
Dr. Freeman is listed at 4306 de Zavala Rd Bldg 1, San Antonio, TX 78249. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Freeman's phone number?
The number on file is (210) 450-6720. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Freeman's NPI number?
Dr. Freeman's National Provider Identifier is 1871600866. 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. Freeman go to medical school?
Dr. Freeman attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Freeman been practicing?
Dr. Freeman has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Freeman do most often?
According to Medicare billing data, Dr. Freeman provides treatments such as 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. Freeman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Freeman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.