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MERCEDES DEYANIRA HERNANDEZ PH.D.
NPI 1346833993
Psychologist - Clinical in Silver Spring, MD

Active since February 15, 2021PECOS Enrolled
19 FRANKLIN AVE, SILVER SPRING, MD 20901(240) 535-6251 Get Directions Write a Review

NPPES record last updated: February 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mercedes Deyanira Hernandez Ph.d. NPPES

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

MERCEDES DEYANIRA HERNANDEZ PH.D. (NPI 1346833993) is an individual clinical provider in Silver Spring, Maryland, licensed in Maryland (04346) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346833993
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMERCEDES DEYANIRA HERNANDEZCredential: PH.D.
Location Address19 FRANKLIN AVESilver Spring, MD 20901-3444
Mailing Address19 Franklin AveSilver Spring, MD 20901-3444 · (240) 535-6251
Phone(240) 535-6251
Sole ProprietorYes
Enumeration DateFebruary 15, 2021
NPPES CertifiedFebruary 15, 2021
✔ NPI 1346833993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MD · 04346
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
19 FRANKLIN AVE, Silver Spring, MD 20901
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mercedes Deyanira Hernandez Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mercedes Hernandez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neighbors' Consejo
3.1 mi
Mental Health (Including Community Mental Health Center)
6323 GEORGIA AVE NW STE 206
Washington, DC 20011
  • Reassigned Medicare billing, District of Columbia enrollment
  • 7 clinicians in this Medicare group
NPI 1912027715 (202) 234-6855
Interdynamics, Inc.
8.9 mi
Psychiatry
8181 PROFESSIONAL PL STE 150&200
Landover, MD 20785
  • Reassigned Medicare billing, District of Columbia enrollment
  • 17 clinicians in this Medicare group
NPI 1952570343 (301) 306-4590

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Hernandez's NPI number?

The NPI number for Mercedes Hernandez is 1346833993. It was assigned to this individual provider in the NPPES registry on February 15, 2021.

Where is Mercedes Hernandez located?

Mercedes Hernandez practices at 19 Franklin Ave, Silver Spring, MD 20901. The listed phone number is (240) 535-6251.

What is Mercedes Hernandez's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mercedes Hernandez enrolled in Medicare?

Yes. Mercedes Hernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mercedes Hernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Hernandez reassigns Medicare benefits to 2 organizations: Neighbors' Consejo (Washington, DC) and Interdynamics, Inc. (Landover, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mercedes Hernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mercedes Hernandez was last updated on February 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.