DR. MERCEDES HELENA ALFARO PH.D.
NPI 1952352916
Clinical Neuropsychologist in Centreville, VA

Q: What is Mercedes Alfaro's NPI number?

The NPI number for Mercedes Alfaro is 1952352916. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Q: What is Mercedes Alfaro's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: Is Mercedes Alfaro enrolled in Medicare?

No. Mercedes Alfaro has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Mercedes Alfaro was last updated on December 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 15, 2006Opted out of Medicare · through Jul 1, 2028

6262 CLAY PIPE CT, CENTREVILLE, VA 20121(703) 879-5130(703) 635-3681 Get Directions Write a Review

NPPES record last updated: December 21, 2009. Verified against the NPPES registry weekly; last sync: September 13, 2026.

On this page

About Dr. Mercedes Helena Alfaro Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MERCEDES HELENA ALFARO PH.D. (NPI 1952352916) is an individual clinical neuropsychologist in Centreville, Virginia, licensed in Virginia (0810003332) and active in the NPI registry since May 2006. She has opted out of Medicare through July 1, 2028.

NPPES Registry Identity

NPI1952352916

Entity TypeIndividualFemale

Primary Taxonomy103G00000X

Provider Legal NameDR. MERCEDES HELENA ALFAROCredential: PH.D.

Location Address6262 CLAY PIPE CTCentreville, VA 20121-5620

Mailing AddressPo Box 640Centreville, VA 20122-0640 · (703) 879-5130 · Fax (703) 635-3681

Phone(703) 879-5130

Fax(703) 635-3681

Sole ProprietorNo

Enumeration DateMay 15, 2006

Last NPPES UpdateDecember 21, 2009

✔ NPI 1952352916 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in VA · 0810003332

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

6262 CLAY PIPE CT, Centreville, VA 20121

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mercedes Helena Alfaro Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2018 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2018

Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

APPLIED NEUROPSYCHOLOGICAL SERVICES PC

Clinical Neuropsychologist

6262 CLAY PIPE CT
CENTREVILLE, VA 20121

Fairfax County (703) 879-5130

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mercedes Alfaro's NPI number?

The NPI number for Mercedes Alfaro is 1952352916. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Mercedes Alfaro located?

Mercedes Alfaro practices at 6262 Clay Pipe Ct, Centreville, VA 20121. The listed phone number is (703) 879-5130.

What is Mercedes Alfaro's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Mercedes Alfaro enrolled in Medicare?

No. Mercedes Alfaro has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Mercedes Alfaro accept?

Health plans from Providence Health Plan list Mercedes Alfaro as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mercedes Alfaro was last updated on December 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.