What is Andrea Viegas's NPI number?

Andrea Viegas's National Provider Identifier (NPI) is 1538251327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrea Viegas's specialty?

Andrea Viegas is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Andrea Viegas located?

Andrea Viegas's practice location on file with NPPES is 608 Davis Circle, Huntsville, AL 35801.

What is Andrea Viegas's phone number?

The practice phone number listed in the NPPES registry for Andrea Viegas is (256) 533-5792.

Does Andrea Viegas accept Medicare?

Andrea Viegas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Andrea Viegas's NPI active?

Yes — Andrea Viegas's NPI (1538251327) is active in the NPPES registry as of the last update on 2007-07-08.

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Andrea Viegas, PHD

NPI 1538251327 · Psychologist · Huntsville, AL

Andrea Viegas, PHD is a Psychologist provider in Huntsville, AL (NPI 1538251327).

Provider details

NPI number: 1538251327
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: No
License: 861 (AL)

Practice location

608 Davis Circle

Huntsville, AL 35801

Phone: (256) 533-5792

Fax: (256) 533-0024

Street-level locationGet directions

More AL providers

Mailing address

608 Davis Circle

Huntsville, AL 35801

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 861 (AL)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(93/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
1,806 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137	942	$34
Evaluation of Neuropsychological Test, Each Additional Hour96133	423	$91
Psychotherapy, 1 Hour90837	158	$144
Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136	135	$38
Psychiatric Diagnostic Evaluation90791	83	$162
Evaluation of Neuropsychological Test, First Hour96132	65	$119

Typical Medicare-allowed amounts for these services range $34–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

Enumerated: 2006-09-29
Last updated: 2007-07-08

Frequently asked questions

What is Andrea Viegas's NPI number?: Andrea Viegas's National Provider Identifier (NPI) is 1538251327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Andrea Viegas's specialty?: Andrea Viegas is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is Andrea Viegas located?: Andrea Viegas's practice location on file with NPPES is 608 Davis Circle, Huntsville, AL 35801.
What is Andrea Viegas's phone number?: The practice phone number listed in the NPPES registry for Andrea Viegas is (256) 533-5792.
Does Andrea Viegas accept Medicare?: Andrea Viegas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Andrea Viegas's NPI active?: Yes — Andrea Viegas's NPI (1538251327) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)