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GUILLERMO EZEQUIEL MARTINEZ
NPI 1841121860
Nurse Practitioner - Family in Gastonia, NC

Active since May 27, 2026PECOS Enrolled
1860 W FRANKLIN BLVD, GASTONIA, NC 28052(704) 396-7143(980) 305-5123 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 19, 2026, May 27, 2026 (2 updates tracked since 2026).

About Guillermo Ezequiel Martinez NPPES

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

GUILLERMO EZEQUIEL MARTINEZ (NPI 1841121860) is an individual family provider in Gastonia, North Carolina, licensed in North Carolina (5025219) and active in the NPI registry since May 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1841121860
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameGUILLERMO EZEQUIEL MARTINEZ
Location Address1860 W FRANKLIN BLVDGastonia, NC 28052-1468
Mailing AddressPo Box 746724Atlanta, GA 30374-6724 · (833) 804-1695 · Fax (312) 929-0373
Phone(704) 396-7143
Fax(980) 305-5123
Sole ProprietorYes
Medical School CMSOtherGraduated 2026
Enumeration DateMay 27, 2026
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1841121860 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 NC · 5025219
1860 W FRANKLIN BLVD, Gastonia, NC 28052
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guillermo Ezequiel Martinez is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527528090
PECOS Enrollment IDI20260903001916
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 Reassignment

Medicare enrollment records show Guillermo Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Osh-Mi Physicians Group PC
99 mi
Family Medicine
1007 SUMMIT AVE
Greensboro, NC 27405
  • Reassigned Medicare billing, North Carolina enrollment
  • 92 clinicians in this Medicare group
NPI 1033766092 (336) 200-7010

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28052 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
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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 4

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

DARRELL TUCK NP
Nurse Practitioner
1860 W FRANKLIN BLVD
GASTONIA, NC 28052
Gaston County (704) 396-7143
HEATHER LEMBKE ROBINSON NP
Nurse Practitioner (Family)
1860 W FRANKLIN BLVD
GASTONIA, NC 28052
Gaston County (704) 396-7143
THOMAS J CALOGERO III MD
Family Medicine
1860 W FRANKLIN BLVD
GASTONIA, NC 28052
Gaston County (704) 396-7143
ERLI ZHAO
Pharmacist
1860 W FRANKLIN BLVD
GASTONIA, NC 28052
Gaston County (704) 313-9006

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 Guillermo Martinez's NPI number?

The NPI number for Guillermo Martinez is 1841121860. It was assigned to this individual provider in the NPPES registry on May 27, 2026.

Where is Guillermo Martinez located?

Guillermo Martinez practices at 1860 W Franklin Blvd, Gastonia, NC 28052. The listed phone number is (704) 396-7143.

What is Guillermo Martinez's specialty?

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

Is Guillermo Martinez enrolled in Medicare?

Yes. Guillermo Martinez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Guillermo Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guillermo Martinez reassigns Medicare benefits to Osh-Mi Physicians Group PC (Greensboro, NC). The 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 Guillermo Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Guillermo Martinez was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.