Marieliz Veronica Alonso Calderon, M.D.
Geriatric Psychiatry Physician · Fairfax, VA
Marieliz Veronica Alonso Calderon, M.D. is a geriatric psychiatry physician with a practice address in Fairfax, Virginia, and NPI 1295990018, issued on Jul 21, 2008. Check the license (Virginia 0101270761, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Marieliz Veronica Alonso Calderon
- Credential
- M.D.
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License numbers
- 0101270761 VA
268925 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8221 Willow Oaks Corporate Dr, Fairfax, VA 22031
- Phone
- (703) 289-7599
- Enumerated
- Jul 21, 2008
- Record last updated
- Mar 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20210312001972); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric psychiatry physician records → All 22 in Virginia → Look up another NPI →
Also registered at 8221 Willow Oaks Corporate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chinyere Abati-Sobulo, NPPsychiatric/Mental Health Nurse Practitioner1932999802
- Felicia Aboagye, LNPPsychiatric/Mental Health Nurse Practitioner1003450412
- Samuel Achu, LCSWClinical Social Worker1518484443
- Afua Addo, NPFamily Nurse Practitioner1629598289
- Folasade Adebayo, LPCProfessional Counselor1386488435
- Sonia AltafClinical Social Worker1942856794
Verify Marieliz Veronica Alonso Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101270761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average geriatric psychiatry physician in 2024
2,335 Medicare Part D claims for 182 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Trazodone Hcl141 claims
- Quetiapine Fumarate139 claims
- Sertraline Hcl123 claims
- Clonazepam119 claims
- Fluoxetine Hcl115 claims
- Buspirone Hcl114 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Inova Health Care ServicesFairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marieliz Veronica Alonso Calderon among 22 geriatric psychiatry physician records in Virginia
Marieliz Veronica Alonso Calderon, M.D. is one of 22 geriatric psychiatry physician records with a practice address in Virginia. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 77% of them.
- NPI issued2008 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2008 · median 1989 among the 12 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0805X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Psychiatry Physician providers in Virginia
There are 22 geriatric psychiatry physician records in Virginia.
All 22 in Virginia → Every provider in Fairfax → Geriatric Psychiatry Physician nationwide →
The 8 geriatric psychiatry physician records with the nearest ZIP codes
- Insiya Nasrulla, MDFairfax, VA 220311841606266
- David Frenkel, M.D.Falls Church, VA 220441265445597
- Giovanna MorenaAlexandria, VA 223041174509806
- David Sayles, MDAlexandria, VA 223041124047337
- Dean Storer, MDAlexandria, VA 223041528095098
- Andrew Molchon, MDAlexandria, VA 223111871536052
- Ruhan Farsin, MDRichmond, VA 232191578258497
- Sultan Lakhani, MDRichmond, VA 232231114975471
Common questions
What is Marieliz Veronica Alonso Calderon, M.D.'s NPI number?
Marieliz Veronica Alonso Calderon, M.D.'s National Provider Identifier (NPI) is 1295990018, issued on Jul 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marieliz Veronica Alonso Calderon, M.D. located?
The NPPES record lists a practice address at 8221 Willow Oaks Corporate Dr, Fairfax, VA, 22031. Phone: (703) 289-7599. Providers update this record themselves, so call before visiting.
How can I verify Marieliz Veronica Alonso Calderon, M.D.'s license?
NPPES lists Virginia license number 0101270761, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marieliz Veronica Alonso Calderon, M.D. prescribe under Medicare Part D?
In 2024, Marieliz Veronica Alonso Calderon, M.D. had 2,335 Medicare Part D claims for 182 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.