Dr. Steven Callahan PH.D.
About this NPIWhat this record shows.
NPI 1275677643 is registered to Dr. Steven Callahan PH.D., a Psychologist practising at 4101 Greenbriar St, Suite 115 in Houston, Texas. Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Steven Callahan PH.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Medicare enrollment
This provider holds 11 Medicare enrollments 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
- I20101118001277Clinical PsychologistTX
- I20240411001206Clinical PsychologistAL
- I20240412003821Clinical PsychologistIN
- I20240501001362Clinical PsychologistFL
- I20240523001364Clinical PsychologistCO
- I20240529001556Clinical PsychologistKY
- I20240529003484Clinical PsychologistOH
- I20240621001995Clinical PsychologistGA
- I20241210003127Clinical PsychologistNE
- I20250204001447Clinical PsychologistOK
- I20250327002615Clinical PsychologistAZ
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 Dr. Steven Callahan PH.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Steven Callahan PH.D. directly at (713) 526-5149.
Frequently asked
Yes. NPI 1275677643 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychologist 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 (713) 526-5149.
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. Dr. Steven Callahan PH.D. is a Type-1 individual NPI.