Marieliz Alonso Calderon M.D.
About this NPIWhat this record shows.
NPI 1295990018 is registered to Marieliz Alonso Calderon M.D., a Geriatric Psychiatry Physician practising at 8221 Willow Oaks Corporate Dr in Fairfax, Virginia. Geriatric Psychiatry Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marieliz Alonso Calderon M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Your brand here.
Medicare enrollment
This provider holds 3 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
- I20140618001313Geriatric PsychiatryNY
- I20210312001972Geriatric PsychiatryDC
- I20210315001386Geriatric PsychiatryVA
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 Marieliz Alonso Calderon M.D. accepts. To confirm in-network status with your specific health plan, contact Marieliz Alonso Calderon M.D. directly at (703) 289-7599.
Frequently asked
Yes. NPI 1295990018 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Psychiatry 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 (703) 289-7599.
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. Marieliz Alonso Calderon M.D. is a Type-1 individual NPI.