Physician Profile
Unclaimed ProfileAbout MARVIN
Based in Houston, TX, Robert George 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 specialising in surgery.
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. Marvin specialise in?
Dr. Marvin is a general surgeon in Houston, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Marvin located?
Dr. 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 Dr. Marvin's phone number?
The number on file is (713) 993-7124. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marvin's NPI number?
Dr. 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 Dr. Marvin go to medical school?
Dr. Marvin attended Mcgill University, Faculty of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marvin been practising?
Dr. Marvin has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marvin do most often?
According to Medicare billing data, Dr. 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 Dr. Marvin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marvin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (713) 993-7124
- Email not available
Practice Locations
3429 W HOLCOMBE BLVD
Houston, TX 77025
Procedures Most Often Billed to Medicare
56 services · 34 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
40 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
16 |
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 8
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.