Physician Profile
Based in Galveston, TX, Hans M. Vonmarensdorff, MD is listed in the NPI registry under internal medicine. Hans graduated from University of Maryland School of Medicine in 1985. According to Medicare claims data, 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. NPI 1497816482 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
400 HARBORSIDE DR
Galveston, TX 77555
4700 Broadway St Ste F100
Galveston, TX 77551
9850C Emmett F Lowry Expy Ste C103
Texas City, TX 77591
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
15 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Vonmarensdorff is an internist in Galveston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Vonmarensdorff is listed at 400 Harborside Dr, Galveston, TX 77555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (409) 772-2222. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Vonmarensdorff's National Provider Identifier is 1497816482. 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
Dr. Vonmarensdorff attended University of Maryland School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Vonmarensdorff has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Vonmarensdorff 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Vonmarensdorff. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.