Joanna-Grace Manzano M.D.
About this NPIWhat this record shows.
NPI 1578837878 is registered to Joanna-Grace Manzano M.D., a Internal Medicine practising at 1515 Holcombe Blvd in Houston, Texas. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Joanna-Grace Manzano M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
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
- 8DV976TX· Issued by BCBS
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
- I20130805000212Internal MedicineTX
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 Joanna-Grace Manzano M.D. accepts. To confirm in-network status with your specific health plan, contact Joanna-Grace Manzano M.D. directly at (713) 792-6161.
Frequently asked
Yes. NPI 1578837878 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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) 792-6161.
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. Joanna-Grace Manzano M.D. is a Type-1 individual NPI.