MARISA LOIS MD
NPI 1487141396
Emergency Medicine in Ponce, PR
About Marisa Lois Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISA LOIS MD (NPI 1487141396) is an individual emergency medicine provider in Ponce, Puerto Rico, licensed in Texas (T3508) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Las Palmas Medical Center A Campus Of Lpds Healthc, and is a graduate of Northeastern Ohio University College Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Marisa Lois 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 Marisa Lois reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, TX 77630
- Reassigned Medicare billing, Texas enrollment
- 205 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 183 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Las Palmas Medical Center A Campus Of Lpds Healthc
Acute Care Hospitals · El Paso, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 00716 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PONCE, PR 00716
PONCE, PR 00716
PONCE, PR 00716
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 Marisa Lois's NPI number?
The NPI number for Marisa Lois is 1487141396. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Marisa Lois located?
Marisa Lois practices at 917 Ave Tito Castro, Ponce, PR 00716. The listed phone number is (787) 844-2080.
What is Marisa Lois's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marisa Lois enrolled in Medicare?
Yes. Marisa Lois 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 Marisa Lois's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marisa Lois reassigns Medicare benefits to 2 organizations: Emergency Services Of Texas PA (Orange, TX) and Southwest Emergency Medical Associates Of Nm PC (Las Cruces, NM). 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 Marisa Lois's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marisa Lois accept?
Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list Marisa Lois 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 Marisa Lois affiliated with any hospitals?
According to CMS data, Marisa Lois is affiliated with Las Palmas Medical Center A Campus Of Lpds Healthc.
When was this NPI record last updated?
The NPPES record for Marisa Lois was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Marisa Lois, MD · NPI 1487141396
Emergency Medicine physician in Ponce, Puerto Rico. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1487141396 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T3508 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 917 AVE TITO CASTRO, Ponce, PR 00716-4717
- **Phone:** (787) 844-2080 · **Fax:** (787) 841-7165
## 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): Emergency Services Of Texas PA (NPI 1174932131, Orange, TX); Southwest Emergency Medical Associates Of Nm PC (NPI 1720505571, Las Cruces, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northeastern Ohio University College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** January 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1487141396) · Data from the CMS NPPES public registry.