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Edit this profileAt a glance
- 19016 Stone Oak Pkwy Ste 180, San Antonio, TX 78258
About Dr. Parker
William J. Parker, M.D. practices surgery in San Antonio, TX. William is a 1989 graduate of University of Texas Medical School at Houston. According to Medicare claims data, William cared for 1,091 Medicare patients across 1,649 services. The services billed most often include ultrasound study of arm or leg veins with compression and maneuvers, laser destruction of incompetent vein of arm or leg using imaging guidance, and ultrasound study of one arm or leg veins with compression and maneuvers. The provider's National Provider Identifier (NPI) is 1295778686.
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
- (866) 552-4866
- Email not available
Practice Locations
19016 STONE OAK PKWY STE 180
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
Endocrine
Vascular
Wounds
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
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 & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
1,649 services · 1,091 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Laser destruction of incompetent vein of arm or leg using imaging guidance | Procedure | 36478 |
289 | More than most peers in Surgery |
| Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | Procedure | 36475 |
154 | More than most peers in Surgery |
| Laser destruction of incompetent veins of arm or leg using imaging guidance, subsequent | Procedure | 36479 |
148 | Too few peers to compare |
| Injection of chemical agent into single incompetent vein of leg using ultrasound guidance | Procedure | 36465 |
122 | More often than most peers in Surgery |
| Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance | Procedure | 36466 |
41 | More often than most peers in Surgery |
| Destruction of subsequent incompetent veins of arm or leg using radiofrequency and imaging guidance | Procedure | 36476 |
19 | Too few peers to compare |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
429 | More than most peers in Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
199 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
195 | More than most peers in Surgery |
| Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99487 |
28 | Too few peers to compare |
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 — 19 related providers in 3 groups
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Texas Medical School at Houston 7
Providers who graduated from the same medical school in the same year.
Also performs Laser destruction of incompetent vein of arm or leg using imaging guidance 4
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is William J. Parker?
William J. Parker 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
What is William J. Parker's address?
William J. Parker is listed at 19016 Stone Oak Pkwy Ste 180, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William J. Parker?
The number on file is (866) 552-4866. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William J. Parker's NPI number?
William J. Parker's National Provider Identifier is 1295778686. 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 William J. Parker train?
William J. Parker attended University of Texas Medical School at Houston, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has William J. Parker been practicing?
William J. Parker has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does William J. Parker perform?
According to Medicare billing data, William J. Parker performs procedures including laser destruction of incompetent vein of arm or leg using imaging guidance, destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance and laser destruction of incompetent veins of arm or leg using imaging guidance, subsequent; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William J. Parker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William J. Parker. If this is you, claiming it is free.
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