Physician Profile
Gregory A. Hamon, MD
Unclaimed ProfileAbout Dr. Hamon
Based in San Antonio, TX, Gregory A. Hamon, MD is listed in the NPI registry under surgery. Gregory graduated from University of Texas Southwestern Medical School at Dallas in 1989. Gregory is also listed as specializing in vascular surgery. According to Medicare claims data, Gregory cared for 75 Medicare patients across 75 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, removal of gallbladder using an endoscope, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (210) 627-1904
- Email not available
Practice Locations
19016 STONE OAK PKWY STE 220
San Antonio, TX 78258
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) 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
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
Procedures Most Often Billed to Medicare
75 services · 75 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of gallbladder using an endoscope | Procedure | 47562 |
18 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
45 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 |
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.
Other general surgeons 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 general surgeons in San Antonio 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of gallbladder using an endoscope 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Dr. Hamon's specialty?
Dr. Hamon is a general surgeon in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where can I find Dr. Hamon?
Dr. Hamon is listed at 19016 Stone Oak Pkwy Ste 220, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hamon?
The number on file is (210) 627-1904. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hamon's NPI number?
Dr. Hamon's National Provider Identifier is 1225033194. 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
What is Dr. Hamon's medical education?
Dr. Hamon attended University of Texas Southwestern Medical School at Dallas, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hamon been practicing?
Dr. Hamon has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hamon known for?
According to Medicare billing data, Dr. Hamon performs procedures including removal of gallbladder using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hamon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hamon. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.