MARLYN GENERILLO M.D.
NPI 1386870673
Family Medicine in Pearland, TX
About Marlyn Generillo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARLYN GENERILLO M.D. (NPI 1386870673) is an individual family medicine provider in Pearland, Texas, licensed in Texas (Q1151) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and maintains a secondary practice location in Baytown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Marlyn Generillo M.d. 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 Marlyn Generillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77045
- Reassigned Medicare billing, Texas enrollment
- 157 clinicians in this Medicare group
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 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 8
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.
Houston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77584 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PEARLAND, TX 77584
PEARLAND, TX 77584
PEARLAND, TX 77584
PEARLAND, TX 77584
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 Marlyn Generillo's NPI number?
The NPI number for Marlyn Generillo is 1386870673. It was assigned to this individual provider in the NPPES registry on June 2, 2009.
Where is Marlyn Generillo located?
Marlyn Generillo practices at 3129 Kingsley Dr Ste 1940, Pearland, TX 77584. The listed phone number is (281) 971-0809.
What is Marlyn Generillo's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marlyn Generillo enrolled in Medicare?
Yes. Marlyn Generillo 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 Marlyn Generillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marlyn Generillo reassigns Medicare benefits to 2 organizations: Centerwell Senior Primary Care (tx) PA (Houston, TX) and Memorial Hermann Medical Group (Fulshear, TX). 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 Marlyn Generillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marlyn Generillo accept?
Health plans from Blue Cross and Blue Shield of Texas, CareSource and Oscar Insurance Company list Marlyn Generillo 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 Marlyn Generillo affiliated with any hospitals?
According to CMS data, Marlyn Generillo is affiliated with Houston Methodist Baytown Hospital.
When was this NPI record last updated?
The NPPES record for Marlyn Generillo was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.