Alejandra Perez-Tamayo MD
About this NPIWhat this record shows.
NPI 1134115231 is registered to Alejandra Perez-Tamayo MD, a Surgical Oncology Physician practising at 1801 W Taylor St, 3f-Occ in Chicago, Illinois. Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Alejandra Perez-Tamayo MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Other
- P00129722IL· Issued by RAILROAD MEDICARE
- 21622027IL· Issued by BCBS PROVIDER ID
- 020052881IL· Issued by RAILROAD MEDICARE
- 202351IL· Issued by BCBS PROVIDER ID
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Alejandra Perez-Tamayo MD accepts. To confirm in-network status with your specific health plan, contact Alejandra Perez-Tamayo MD directly at (312) 996-6883.
Frequently asked
Yes. NPI 1134115231 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (312) 996-6883.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Alejandra Perez-Tamayo MD is a Type-1 individual NPI.