Physician Profile
Michael Arriaga, MD is a healthcare provider in Webster, TX specializing in internal medicine. Michael trained at University of Texas Medical School at Houston, graduating in 2013. According to Medicare claims data, Michael cared for 643 Medicare patients across 661 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, advance care planning, first 30 minutes, and critical care, first 30-74 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
500 N KOBAYASHI STE A
Webster, TX 77598
921 Gessner Rd
Houston, TX 77024
4101 Greenbriar St Suite 122G
Houston, TX 77098
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
661 services · 643 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
390 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
144 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
100 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Arriaga is an internist in Webster, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Arriaga is listed at 500 N Kobayashi Ste A, Webster, TX 77598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (281) 724-7341. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Arriaga's National Provider Identifier is 1407292352. 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. Arriaga attended University of Texas Medical School at Houston, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Dr. Arriaga has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Arriaga 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. Arriaga. 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.