MRS. SHANMEI LIN MARTINEZ FNP-C
NPI 1235687492
Nurse Practitioner - Family in Port Lavaca, TX

Active since September 16, 2016PECOS EnrolledAccepts Medicare Assignment
1016 N VIRGINIA ST, PORT LAVACA, TX 77979(361) 552-0325 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2026, Feb 8, 2024, Sep 16, 2016 (3 updates tracked since 2016).

About Mrs. Shanmei Lin Martinez Fnp-c NPPES

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

MRS. SHANMEI LIN MARTINEZ FNP-C (NPI 1235687492) is an individual family provider in Port Lavaca, Texas, licensed in Texas (AP131657) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, is affiliated with Citizens Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1235687492
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. SHANMEI LIN MARTINEZCredential: FNP-C
Location Address1016 N VIRGINIA STPort Lavaca, TX 77979-3000
Mailing Address1016 N Virginia StPort Lavaca, TX 77979-3000 · (361) 552-0325 · Fax (361) 500-6904
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 16, 2016
Last NPPES UpdateMay 18, 20263 updates tracked since enumeration
NPPES CertifiedMay 18, 2026
✔ NPI 1235687492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · AP131657
1016 N VIRGINIA ST, Port Lavaca, TX 77979

Secondary Practice Locations 5

Location 1230 S Gulf StAlice, TX 78332-4310 · Phone (361) 664-0303 · Fax (866) 845-0933
Location 25710 Esplanade DrCorpus Christi, TX 78414-4165 · Phone (361) 991-8000 · Fax (877) 494-7986
Location 34502 N Laurent StVictoria, TX 77901-2743 · Phone (361) 339-2093 · Fax (866) 845-0933
Location 42701 Morgan AveCorpus Christi, TX 78405-1824 · Phone (361) 452-0799 · Fax (877) 587-6802
Location 51921 E King AveKingsville, TX 78363-4832 · Phone (361) 355-9700 · Fax (877) 494-7986

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

Mrs. Shanmei Lin Martinez Fnp-c 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.

PECOS PAC ID8123381316
PECOS Enrollment IDI20180423001364
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 Shanmei Martinez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
2701 HOSPITAL DR
Victoria, TX 77901
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Citizens Medical Center County Of Victoria
  • 171 clinicians in this Medicare group
Family Medicine
230 S GULF ST
Alice, TX 78332
  • Reassigned Medicare billing, Texas enrollment
  • 13 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.

Citizens Medical Center

Acute Care Hospitals · Victoria, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450023
Location2701 Hospital DriveVictoria, TX 77901 · Victoria County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77979 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Nurse Practitioner (Family)
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Nurse Practitioner (Family)
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Family Medicine
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Pediatrics
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Clinic/Center (Rural Health)
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Family Medicine
1016 N VIRGINIA ST
PORT LAVACA, TX 77979
Nurse Practitioner (Family)
1016 N VIRGINIA ST
PORT LAVACA, TX 77979

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 Shanmei Martinez's NPI number?

The NPI number for Shanmei Martinez is 1235687492. It was assigned to this individual provider in the NPPES registry on September 16, 2016.

Where is Shanmei Martinez located?

Shanmei Martinez practices at 1016 N Virginia St, Port Lavaca, TX 77979. The listed phone number is (361) 552-0325.

What is Shanmei Martinez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Shanmei Martinez enrolled in Medicare?

Yes. Shanmei Martinez 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 Shanmei Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shanmei Martinez reassigns Medicare benefits to 2 organizations: Citizen's Medical Center County Of Victoria (Victoria, TX) and Carlos R Elizondo MD PLLC (Alice, 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 Shanmei Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shanmei Martinez accept?

Health plans from Blue Cross and Blue Shield of Texas, UnitedHealthcare and WellPoint list Shanmei Martinez 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 Shanmei Martinez affiliated with any hospitals?

According to CMS data, Shanmei Martinez is affiliated with Citizens Medical Center.

When was this NPI record last updated?

The NPPES record for Shanmei Martinez was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.