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Edit this profileWhere to find Thomas B. Tan, MD
- Lake Saint Louis location main office
400 Medical Plz Ste 100, Lake Saint Louis, MO 63367 - Edinburg location
2717 Michaelangelo Dr Ste 200, Edinburg, TX 78539 - Klamath Falls location
2610 Uhrmann Rd, Klamath Falls, OR 97601 - Rapid City location
Rapid City Regional Hospital, 353 Fairmont Blvd., Rapid City, SD 57701
About Dr. Tan
Thomas B. Tan, MD is a healthcare provider in Lake Saint Louis, MO specializing in medical oncology. Thomas is also listed as specializing in hematology & oncology. According to Medicare claims data, Thomas cared for 404 Medicare patients across 506 services. 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, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1275528382.
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
- (636) 639-8600
- Email not available
Practice Locations
400 MEDICAL PLZ STE 100
Lake Saint Louis, MO 63367
2717 Michaelangelo Dr Ste 200
Edinburg, TX 78539
2610 Uhrmann Rd
Klamath Falls, OR 97601
Rapid City Regional Hospital 353 Fairmont Blvd.
Rapid City, SD 57701
Conditions Commonly Evaluated or Treated
Within Medical Oncology 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
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
- Peritoneal Cancer
Blood cancer
- Blood Cancer
Blood disorders
- Low Platelets
- Low White Blood Cell Count
- Multiple Myeloma
- Myelodysplastic Syndrome
- Thick Blood
Cancer complications
- High calcium from cancer
Chest cancer
- Thymus tumor
Complications
- Abdominal fluid swelling from cancer
- Fluid around lungs from cancer
Digestive cancer
- Appendix cancer
- Gallbladder cancer
Digestive cancers
- Anal cancer
- Bile duct cancer
- Esophageal cancer
- Liver cancer
- Pancreatic cancer
- Stomach cancer
Endocrine cancer
- Adrenal Tumors in Children
Endocrine cancers
Eye cancer
- Melanoma of the eye
General oncology
- Cancer of unknown primary
Genetic risk
- Inherited Cancer Risk
Gynecologic cancer
- Vulvar cancer
Gynecologic cancers
Head and neck
- Laryngeal cancer
Head and neck cancer
- Head and neck cancer
- Oral cavity cancer
- Salivary Gland Cancer
Metastatic cancer
- Cancer Spread to the Lung
Metastatic disease
- Cancer spread to bones
- Cancer that spread to brain
- Cancer that spread to liver
Neurologic cancers
Sarcomas
- Bone tumors
- Soft-tissue sarcoma
Skin cancer
Symptom evaluation
- Cancer pain
- Cancer-related fatigue
- Swollen Lymph Nodes
Thoracic cancers
- Mesothelioma
Treatment side effects
- Chemo Rash
- Mouth Sores From Chemo
- Nerve Pain From Chemo
Urologic cancer
- Penile Cancer
Urologic cancers
Procedures & services
Most searched procedures
- Blood transfusion
- Chemotherapy
- Immunotherapy
- Targeted therapy
Cancer treatment care
- Immunotherapy Side Effect Management
- Maintenance Cancer Therapy
Complication management
- Cancer Blood Clot Treatment
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
- Liquid Biopsy
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Medication management
- Oral cancer medication monitoring
Patient education
- Chemo Teaching And Education
Port and line care
- Central line placement in child
- Chemo port removal
- PICC line care and removal
Procedures
- Draining lung fluid
- Paracentesis
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
- Chemo Rash Treatment
Vascular access
- Chemo port flush and care
- Chemo port placement
- PICC line care and flush
Procedures Most Often Billed to Medicare
506 services · 404 patients · 6 distinct codes
| 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 |
272 | As often as other peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
97 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
79 | As often as other peers in Medical Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
26 | Less often than most peers in Medical Oncology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 | Less often than most peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | Less often than most peers in Medical Oncology |
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.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Tan specialize in?
Dr. Tan is an oncologist in Lake Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Where is Dr. Tan located?
Dr. Tan is listed at 400 Medical Plz Ste 100, Lake Saint Louis, MO 63367. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tan's phone number?
The number on file is (636) 639-8600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Tan's NPI number?
Dr. Tan's National Provider Identifier is 1275528382. 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. Tan go to medical school?
Dr. Tan attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tan been practicing?
Dr. Tan has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tan do most often?
According to Medicare billing data, Dr. Tan 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. Tan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.