Leon Kao MD
About this NPIWhat this record shows.
NPI 1265639728 is registered to Leon Kao MD, a Allergy Physician practising at 19851 Observation Dr Ste 375 in Germantown, Maryland. Allergy Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Leon Kao MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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.
Other
- 97730501MD· Issued by BCBS OF MARYLAND
- 1049243VA· Issued by SOUTHERN HEALTH/COVENTRY
- 5753777MD· Issued by CIGNA
- 8739985MD· Issued by AETNA HMO
- 227674YDBHMD· Issued by MEDICARE
- P00735855VA· Issued by RAILROAD MEDICARE
- 3090008MD· Issued by MDIPA/OPTIMUM CHOICE
- 9117376MD· Issued by AETNA PPO
- C149-0015MD· Issued by CAREFIRST BLUE CHOICE
- 302011VA· Issued by ANTHEM
Medicaid
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
- I20130524000283Allergy/ImmunologyDC
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 Leon Kao MD accepts. To confirm in-network status with your specific health plan, contact Leon Kao MD directly at (301) 972-3709.
Frequently asked
Yes. NPI 1265639728 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy 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 (301) 972-3709.
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. Leon Kao MD is a Type-1 individual NPI.