Thomas Tan, MD

ActiveIndividual ProviderHematology & Oncology
NPI issued: September 14, 2005

Quick Facts

NPI Number
1275528382
TypeIndividual
StatusActive
SpecialtyHematology & Oncology
Taxonomy207RH0003X — Hematology & Oncology
Phone
(636) 639-8600
StateMO

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1275528382)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (September 14, 2005)
Data source: CMS NPPES

Provider Overview

THOMAS TAN, MD is a Hematology & Oncology provider based in Lake St Louis, MO who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1275528382
Provider TypeIndividual Provider
GenderMale
CredentialMD
StatusActive
Enumeration DateSeptember 14, 2005

Practice Location

CityLake St Louis
StateMO
ZIP Code63367-1493
Phone(636) 639-8600

Specialties & Licenses

★ Primary
SpecialtyHematology & Oncology
Taxonomy Code207RH0003X
License StateMO

Mailing Address

CityLake St Louis
StateMO
ZIP Code63367-1493
Phone(636) 639-8600
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1275528382 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1275528382for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1275528382 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Hematology & Oncology

Specialists in Hematology & Oncology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Hematology & Oncologyproviders →
📊
14,223
Hematology & Oncology Providers in the US

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People Also Ask

What is Thomas Tan's NPI number?
Thomas Tan's NPI number is 1275528382, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Thomas Tan's NPI currently active?
Yes, Thomas Tan's NPI status is Active as of the latest CMS NPPES database updates.
What does Thomas Tan specialize in?
Thomas Tan specializes in Hematology & Oncology. The healthcare taxonomy code associated with this specialty is 207RH0003X.
Where does Thomas Tan practice?
Thomas Tan practices in Lake St Louis, MO 63367-1493.
When was Thomas Tan's NPI issued?
Thomas Tan's NPI was issued on September 14, 2005.
What is Thomas Tan's provider type?
Thomas Tan is registered as an Individual Provider under CMS NPI Type 1.