GREGORY L. NEDURIAN, M.D., P.A.
NPI 1265566012
Surgery in Lakeland, FL

Q: What is Gregory L. Nedurian, M.D., P.A.'s NPI number?

The NPI number for Gregory L. Nedurian, M.D., P.A. is 1265566012. It was assigned to this organization in the NPPES registry on March 15, 2007.

Q: What is Gregory L. Nedurian, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since March 15, 2007CLIA 10D2054833 · Waiver

521 BUENA VISTA ST, LAKELAND, FL 33805(863) 687-0550(863) 682-7700 Get Directions Write a Review

NPPES record last updated: April 23, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Gregory L. Nedurian, M.d., P.a. NPPES

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

GREGORY L. NEDURIAN, M.D., P.A. (NPI 1265566012) is a healthcare organization registered as a surgery in Lakeland, Florida and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through February 27, 2027 and lists Gregory L. Nedurian, Corporate President, as its authorized official.

NPPES Registry Identity

NPI1265566012

Entity TypeOrganization

Primary Taxonomy208600000X

Legal Business NameGREGORY L. NEDURIAN, M.D., P.A.

Location Address521 BUENA VISTA STLakeland, FL 33805-4504

Mailing Address521 Buena Vista StLakeland, FL 33805-4504 · (863) 687-0550 · Fax (863) 682-7700

Phone(863) 687-0550

Fax(863) 682-7700

Organization SubpartNo

Authorized OfficialGregory L. NedurianCorporate President · (863) 687-0550

Enumeration DateMarch 15, 2007

Last NPPES UpdateApril 23, 2008

✔ NPI 1265566012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in FL · ME0090819

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

521 BUENA VISTA ST, Lakeland, FL 33805

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Other Names 1

Doing Business AsGregory L. Nedurian, M.d., P.a.

Other Identifiers 4

Medicaid270400500FL

OtherP00279741FL · Railroad Medicare

Medicare PINK8784FL

Medicare UPINB41836FL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory L. Nedurian, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateFloridaEnrollment IDO20060109000139Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gregory L. Nedurian, M.D., P.A., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Gregory Nedurian, M.D.

Vascular Surgery

NPI 1417942681

521 BUENA VISTA ST
Lakeland, FL 33805

(863) 687-0550

✔ PECOS✔ Accepts MedicareSame address

Laurence Ferber, M.D.

General Surgery

NPI 1679540744

7062 S ALOYSIA AVE
Floral City, FL 34436

(352) 364-4038

✔ PECOS✔ Accepts Medicare52 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 10D2054833

Gregory L Nedurian MD PA · Lakeland, FL

Active · expires Feb 27, 2027

CLIA Number10D2054833

Laboratory TypePhysician Office

Certificate Effective DateFebruary 28, 2025

Certificate Expiration DateFebruary 27, 2027

Laboratory DirectorDr. Gregory Nedurian

Laboratory Phone(863) 687-0550

Laboratory LocationGregory L Nedurian MD PA521 Buena Vista St, Lakeland, FL 33805

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Gregory L. Nedurian, M.D., P.A.'s NPI number?

The NPI number for Gregory L. Nedurian, M.D., P.A. is 1265566012. It was assigned to this organization in the NPPES registry on March 15, 2007.

Where is Gregory L. Nedurian, M.D., P.A. located?

Gregory L. Nedurian, M.D., P.A. is located at 521 Buena Vista St, Lakeland, FL 33805. The listed phone number is (863) 687-0550.

What is Gregory L. Nedurian, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory L. Nedurian, M.D., P.A. enrolled in Medicare?

Yes. Gregory L. Nedurian, M.D., P.A. is registered in the Medicare PECOS enrollment system.

When is Gregory L. Nedurian, M.D., P.A.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Florida, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Gregory L. Nedurian, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Gregory L. Nedurian, M.D., P.A., in General Surgery and Vascular Surgery. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gregory L. Nedurian, M.D., P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D2054833) is associated with this NPI, valid through February 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Gregory L. Nedurian, M.D., P.A. accept?

Health plans from Ambetter Health and Ambetter of Alabama list Gregory L. Nedurian, M.D., P.A. 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 Gregory L. Nedurian, M.D., P.A. was last updated on April 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.