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Edit this profileAt a glance
- 3429 W Holcombe Blvd, Houston, TX 77025
About Dr. Marvin
Based in Houston, TX, Robert G. Marvin, M.D. is listed in the NPI registry under general surgery. Robert graduated from Mcgill University, Faculty of Medicine in 1989. Robert is also listed as specializing in surgery. According to Medicare claims data, Robert cared for 34 Medicare patients across 56 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1316006554 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
- (713) 993-7124
- Email not available
Practice Locations
3429 W HOLCOMBE BLVD
Houston, TX 77025
Conditions Commonly Evaluated or Treated
Within General Surgery 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
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
56 services · 34 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
40 | As often as other peers in General Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
16 | Less often than most peers in General Surgery |
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 1
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 Houston 8
Same specialty, same city.
Trained at Mcgill University, Faculty of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 4 related providers in 1 group
Class of 1989 at Mcgill University, Faculty of Medicine 4
Providers who graduated from the same medical school in the same year.
Common questions
What does Robert G. Marvin specialize in?
Robert G. Marvin is a general surgeon in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where is Robert G. Marvin located?
Robert G. Marvin is listed at 3429 W Holcombe Blvd, Houston, TX 77025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Robert G. Marvin's phone number?
The number on file is (713) 993-7124. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Robert G. Marvin's NPI number?
Robert G. Marvin's National Provider Identifier is 1316006554. 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 Robert G. Marvin train?
Robert G. Marvin attended Mcgill University, Faculty of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Robert G. Marvin been practicing?
Robert G. Marvin has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Robert G. Marvin do most often?
According to Medicare billing data, Robert G. Marvin the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Robert G. Marvin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert G. Marvin. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.