MR. ZENON MERCADO III CRNA
NPI 1235127960
Nurse Anesthetist, Certified Registered in Columbus, TX
About Mr. Zenon Mercado Iii Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ZENON MERCADO III CRNA (NPI 1235127960) is an individual nurse anesthetist, certified registered in Columbus, Texas, licensed in Texas (618405) and active in the NPI registry since October 2005. He is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Mr. Zenon Mercado Iii Crna 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
3Medicare enrollment records show Zenon Mercado reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eagle Lake, TX 77434
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Bryan, TX 77802
- Reassigned Medicare billing, Texas enrollment
- 29 clinicians in this Medicare group
Shenandoah, TX 77384
- Reassigned Medicare billing, Texas enrollment
- 22 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78934 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Zenon Mercado's NPI number?
The NPI number for Zenon Mercado is 1235127960. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Zenon Mercado located?
Zenon Mercado practices at 110 Shult Dr, Columbus, TX 78934. The listed phone number is (979) 253-0445.
What is Zenon Mercado's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Zenon Mercado enrolled in Medicare?
Yes. Zenon 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 Zenon Mercado's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zenon Mercado reassigns Medicare benefits to 3 organizations: Cahrmc (Eagle Lake, TX), Anesthesia Associates Of Bryan LLC (Bryan, TX) and Woodlands Anesthesia Associates LLC (Shenandoah, 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 Zenon Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zenon Mercado accept?
Health plans from Blue Cross and Blue Shield of Texas list Zenon 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.
When was this NPI record last updated?
The NPPES record for Zenon Mercado was last updated on July 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mr. Zenon Mercado III, CRNA · NPI 1235127960
Nurse Anesthetist, Certified Registered physician in Columbus, Texas. Individual provider, active in the CMS NPPES registry since October 6, 2005.
## Identity
- **NPI:** 1235127960 (Entity type: Individual)
- **Enumerated:** October 6, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 618405 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 SHULT DR, Columbus, TX 78934-3016
- **Phone:** (979) 253-0445
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cahrmc (NPI 1114255833, Eagle Lake, TX); Anesthesia Associates Of Bryan LLC (NPI 1558751834, Bryan, TX); Woodlands Anesthesia Associates LLC (NPI 1093283970, Shenandoah, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** July 17, 2020
- **Other identifiers:** Medicaid 153636907 (TX); Other 00C21T (TX); Medicaid 153636908 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1235127960) · Data from the CMS NPPES public registry.