LIANED PEREZ MERCADO MD
NPI 1053949990
Psychiatry & Neurology - Vascular Neurology in Houston, TX
About Lianed Perez Mercado Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIANED PEREZ MERCADO MD (NPI 1053949990) is an individual vascular neurology provider in Houston, Texas, licensed in Texas (V0507) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Northside Hospital, and maintains a secondary practice location in Atlanta.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lianed Perez Mercado Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Lianed Perez Mercado reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 783 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 466 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northside Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lianed Perez Mercado's NPI number?
The NPI number for Lianed Perez Mercado is 1053949990. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is Lianed Perez Mercado located?
Lianed Perez Mercado practices at 9710 Harrowgate Dr, Houston, TX 77031. The listed phone number is (787) 628-5576.
What is Lianed Perez Mercado's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.
Is Lianed Perez Mercado enrolled in Medicare?
Yes. Lianed Perez Mercado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lianed Perez Mercado's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lianed Perez Mercado reassigns Medicare benefits to 2 organizations: North Atlanta Professional Services LLC (Atlanta, GA) and Northside Primary Care Professional Services,llc (Atlanta, GA). 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 Lianed Perez Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lianed Perez Mercado accept?
Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Lianed Perez Mercado 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.
Is Lianed Perez Mercado affiliated with any hospitals?
According to CMS data, Lianed Perez Mercado is affiliated with Northside Hospital.
When was this NPI record last updated?
The NPPES record for Lianed Perez Mercado was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Lianed Perez Mercado, MD · NPI 1053949990
Vascular Neurology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1053949990 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Psychiatry & Neurology - Vascular Neurology · taxonomy 2084V0102X
- **State license:** V0507 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9710 HARROWGATE DR, Houston, TX 77031-3117
- **Phone:** (787) 628-5576
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): North Atlanta Professional Services LLC (NPI 1316959869, Atlanta, GA); Northside Primary Care Professional Services,llc (NPI 1922397553, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1053949990) · Data from the CMS NPPES public registry.