MARK J. MEYER MD
NPI 1922456722
Surgery in Wellington, FL

Q: What is 21st Century Oncology LLC's NPI number?

The NPI number for 21st Century Oncology LLC is 1922456722. It was assigned to this organization in the NPPES registry on June 2, 2016. The provider is doing business as Mark J. Meyer MD.

Q: What is 21st Century Oncology LLC's specialty?

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

Active since June 02, 2016

10141 FOREST HILL BLVD, WELLINGTON, FL 33414(561) 439-1500(561) 439-9902 Get Directions Write a Review

NPPES record last updated: July 15, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Mark J. Meyer Md NPPES

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

MARK J. MEYER MD (NPI 1922456722) is a healthcare organization registered as a surgery in Wellington, Florida and active in the NPI registry since June 2016. The organization lists Kim Commins, Ceo, as its authorized official.

NPPES Registry Identity

NPI1922456722

Entity TypeOrganization

Primary Taxonomy208600000X

Legal Business Name21ST CENTURY ONCOLOGY LLC

Location Address10141 FOREST HILL BLVDWellington, FL 33414-6103

Mailing Address2234 Colonial BlvdFort Myers, FL 33907-1412 · (239) 931-7342 · Fax (239) 931-7385

Phone(561) 439-1500

Fax(561) 439-9902

Organization SubpartYesParent: 21st Century Oncology Inc

Authorized OfficialKim ComminsCeo · (239) 931-7277

Enumeration DateJune 2, 2016

Last NPPES UpdateJuly 15, 2019

✔ NPI 1922456722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

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.

10141 FOREST HILL BLVD, Wellington, FL 33414

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Other Names 1

Doing Business AsMark J. Meyer Md

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 MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark J. Meyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

282

Medicare enrollment records show 282 clinicians reassign Medicare billing to Mark J. Meyer MD, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 19

Urology86

Nurse Practitioner56

Radiation Oncology53

Hematology/Oncology18

General Surgery17

Medical Oncology14

Otolaryngology7

Surgical Oncology5

11 other specialties26

Nearest to this location (20)

See all 282

Claude Harmon, M.D.

Radiation Oncology

NPI 1114982717

10141 W FOREST HILL BLVD
Wellington, FL 33414

(561) 793-6500

✔ PECOS✔ Accepts MedicareSame address

Bridget Jost, APRN

Nurse Practitioner

NPI 1972183549

10115 FOREST HILL BLVD
Wellington, FL 33414

(561) 964-8221

✔ PECOS✔ Accepts Medicare0.1 mi

Jerry Singer, M.D.

Urology

NPI 1376545665

10115 FOREST HILL BLVD SUITE 100
Wellington, FL 33414

(561) 333-1118

✔ PECOS✔ Accepts Medicare0.1 mi

Kathleen Minnick, MD

General Surgery

NPI 1609861202

11551 SOUTHERN BLVD STE 2
Royal Palm Beach, FL 33411

(561) 594-1850

✔ PECOS✔ Accepts Medicare2.5 mi

Heather Hershberger, APRN, FNP-C

Nurse Practitioner

NPI 1417504564

3347 S STATE ROAD 7 STE 101
Wellington, FL 33449

(561) 790-2111

✔ PECOS✔ Accepts Medicare3.7 mi

Michael Stewart, M.D.

Radiation Oncology

NPI 1841419850

3343 S STATE ROAD 7
Wellington, FL 33449

(561) 795-9845

✔ PECOS✔ Accepts Medicare3.7 mi

Dulce Barrios, MD, MS

Radiation Oncology

NPI 1477132157

3343 S STATE ROAD 7
Wellington, FL 33449

(561) 795-9845

✔ PECOS7.7 mi

Ross Cohen, M.D.

Urology

NPI 1639171986

5065 STATE ROAD 17 SUITE 203
Lake Worth, FL 33449

(561) 432-0067

✔ PECOS✔ Accepts Medicare7.7 mi

James Gerstley, M.D.

Radiation Oncology

NPI 1548214836

21020 STATE ROAD 7 STE 100
Boca Raton, FL 33428

(561) 883-8656

✔ PECOS✔ Accepts Medicare7.7 mi

Claudie Williams, APRN

Nurse Practitioner

NPI 1629506175

5065 S STATE ROAD 7 STE 203
Lake Worth, FL 33449

(561) 432-0067

✔ PECOS✔ Accepts Medicare7.7 mi

Ben Han, M.D.

Radiation Oncology

NPI 1245229350

4685 S CONGRESS AVE
Lake Worth, FL 33461

(561) 964-2662

✔ PECOS7.8 mi

Hal Bashein, D.O.

Urology

NPI 1306818083

2051 45TH ST SUITE 203
West Palm Beach, FL 33407

(561) 848-8700

✔ PECOS✔ Accepts Medicare10 mi

Antoinette Stair, FNP-C

Nurse Practitioner

NPI 1063968725

1309 N FLAGLER DR
West Palm Beach, FL 33401

(561) 472-1272

✔ PECOS✔ Accepts Medicare11 mi

James Parsons, MD

Radiation Oncology

NPI 1679587075

2815 S SEACREST BLVD
Boynton Beach, FL 33435

(561) 374-5440

✔ PECOS✔ Accepts Medicare13 mi

Jacy Villa, M.D.

Hematology/Oncology

NPI 1811995434

2623 S SEACREST BLVD SUITE 216
Boynton Beach, FL 33435

(561) 742-0065

✔ PECOS✔ Accepts Medicare13 mi

Elizabeth Reich, MD

Medical Oncology

NPI 1538107727

431 UNIVERSITY BLVD
Jupiter, FL 33458

(561) 748-2488

✔ PECOS18 mi

Henry Shapiro, MD

Hematology

NPI 1477591709

431 UNIVERSITY BLVD
Jupiter, FL 33458

(561) 748-2488

✔ PECOS✔ Accepts Medicare18 mi

Deborah Lehrich, MD

Internal Medicine

NPI 1326004490

1680 S CENTRAL BLVD STE 112
Jupiter, FL 33458

(561) 748-2488

✔ PECOS✔ Accepts Medicare19 mi

Evelyn Berne, MD

General Surgery

NPI 1619954930

9980 CENTRAL PARK BLVD N SUITE 114
Boca Raton, FL 33428

(561) 420-8770

✔ PECOS✔ Accepts Medicare20 mi

Erika Nourishirazi

Surgical Oncology

NPI 1225564875

21020 STATE ROAD 7 STE 200B
Boca Raton, FL 33428

(561) 482-1728

✔ PECOS✔ Accepts Medicare21 mi

See all 282 clinicians

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

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 21st Century Oncology LLC's NPI number?

The NPI number for 21st Century Oncology LLC is 1922456722. It was assigned to this organization in the NPPES registry on June 2, 2016. The provider is doing business as Mark J. Meyer MD.

Where is 21st Century Oncology LLC located?

21st Century Oncology LLC is located at 10141 Forest Hill Blvd, Wellington, FL 33414. The listed phone number is (561) 439-1500.

What is 21st Century Oncology LLC's specialty?

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

Is 21st Century Oncology LLC enrolled in Medicare?

Yes. 21st Century Oncology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through 21st Century Oncology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 282 clinicians in 19 Medicare specialties reassign their Medicare billing to 21st Century Oncology LLC. 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. The largest specialties are Urology (86), Nurse Practitioner (56) and Radiation Oncology (53). Of these, 1 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for 21st Century Oncology LLC was last updated on July 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.