Timothy Trojan MD
About this NPIWhat this record shows.
NPI 1518125053 is registered to Timothy Trojan MD, a Allergy & Immunology Physician practising at 3201 N Van Buren St, Suite 350 in Enid, Oklahoma. Allergy & Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Timothy Trojan MD has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Beyond the registryWhat this record adds.
This record carries 2 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 34 Allergy & Immunology Physician providers on file in Oklahoma.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- 323602ZQR2OK· Issued by MEDICARE PTAN
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20131223000287Allergy/ImmunologyOK
Source: CMS PECOS public enrollment file.
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 Timothy Trojan MD accepts. To confirm in-network status with your specific health plan, contact Timothy Trojan MD directly at (580) 366-0844.
Frequently asked
Yes. NPI 1518125053 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology 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 (580) 366-0844.
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. Timothy Trojan MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 34 Allergy & Immunology Physician providers are registered in Oklahoma, and Timothy Trojan MD is one of them. The figure refreshes each month from the federal source.