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MD4ER LLC
NPI 1568851707
Emergency Medicine - Emergency Medical Services in Key West, FL

Active since January 12, 2015
5900 COLLEGE RD, KEY WEST, FL 33040(305) 294-5531(305) 292-5837 Get Directions Write a Review

NPPES record last updated: May 28, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Md4er Llc NPPES

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

MD4ER LLC (NPI 1568851707) is a healthcare organization registered as an emergency medical services in Key West, Florida and active in the NPI registry since January 2015. The organization lists Mehmet Aydin Atilla, President/owner, as its authorized official.

NPPES Registry Identity

NPI1568851707
Entity TypeOrganization
Primary Taxonomy207PE0004X
Legal Business NameMD4ER LLC
Location Address5900 COLLEGE RDKey West, FL 33040-4342
Mailing Address1111 12th St, Suite 210Key West, FL 33040-4088 · (305) 295-3535 · Fax (305) 294-6868
Phone(305) 294-5531
Fax(305) 292-5837
Organization SubpartNo
Authorized OfficialMehmet Aydin AtillaPresident/owner · (305) 295-3535
Enumeration DateJanuary 12, 2015
Last NPPES UpdateMay 28, 2015
✔ NPI 1568851707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
5900 COLLEGE RD, Key West, FL 33040
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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 Wellpoint, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Md4er Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

36

Medicare enrollment records show 36 clinicians reassign Medicare billing to Md4er LLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Emergency Medicine18
Nurse Practitioner8
Family Practice6
Internal Medicine4

Nearest to this location (20)

See all 36
Kellee Reed, DO
Emergency Medicine
NPI 1497868400
5900 COLLEGE RD
Key West, FL 33040
(305) 294-5531
✔ PECOS✔ Accepts MedicareSame address
Adriane Baker, ARNP
Nurse Practitioner
NPI 1629590906
5900 COLLEGE RD
Key West, FL 33040
(305) 294-5531
✔ PECOSSame address
Kimberley Jones, M.D.
Emergency Medicine
NPI 1841403730
5900 COLLEGE RD
Key West, FL 33040
(305) 619-1557
✔ PECOS✔ Accepts MedicareSame address
Kevin Lawson, ARNP
Nurse Practitioner
NPI 1346682853
5900 COLLEGE RD
Key West, FL 33040
(305) 292-5806
✔ PECOS✔ Accepts MedicareSame address
Matthew Partrick, MD
Emergency Medicine
NPI 1629264007
5900 COLLEGE RD
Key West, FL 33040
(305) 294-9691
✔ PECOSSame address
Norman Schultz, MD
Emergency Medicine
NPI 1295745529
5900 COLLEGE RD
Key West, FL 33040
(614) 204-7512
✔ PECOS✔ Accepts MedicareSame address
Mehmet Atilla, M.D.
Internal Medicine
NPI 1396778510
1111 12TH ST STE 103
Key West, FL 33040
(305) 295-3535
✔ PECOS✔ Accepts Medicare2.0 mi
Alyssa Suggs
Nurse Practitioner
NPI 1194372912
1100 SIMONTON ST
Key West, FL 33040
(305) 293-7500
✔ PECOS✔ Accepts Medicare4.0 mi
Paul Tate, M.D.
Family Practice
NPI 1255747945
BLDG KW 500 FLEMING KEY TRUMBO
Key West, FL 33040
(305) 293-4154
✔ PECOS✔ Accepts Medicare4.2 mi
Andrea Alvarez, D.O.
Emergency Medicine
NPI 1104262872
57 PALMETTO DR
Key West, FL 33040
(305) 915-0529
✔ PECOS✔ Accepts Medicare5.5 mi
Charles Sweeney, M.D.
Emergency Medicine
NPI 1306819206
3301 OVERSEAS HWY
Marathon, FL 33050
(305) 743-5533
✔ PECOS✔ Accepts Medicare42 mi
Elizabeth Abram, MD
Emergency Medicine
NPI 1285927319
11750 SW 40TH ST 11750 BIRD ROAD
Miami, FL 33175
(305) 223-3000
✔ PECOS✔ Accepts Medicare116 mi
Sergio Sobredo, MD
Emergency Medicine
NPI 1326008905
3100 S DOUGLAS RD
Coral Gables, FL 33134
(305) 445-8461
✔ PECOS✔ Accepts Medicare123 mi
Michael Sanchez, D.O.
Family Practice
NPI 1063964666
1475 W 49TH ST
Hialeah, FL 33012
(305) 284-7761
✔ PECOS✔ Accepts Medicare126 mi
Antonio Gandia, MD
Emergency Medicine
NPI 1992896898
2001 W 68TH ST
Hialeah, FL 33016
(305) 823-5000
✔ PECOS✔ Accepts Medicare126 mi
Lenworth Anglin, MD
Family Practice
NPI 1598743130
1613 HARRISON PKWY #200
Sunrise, FL 33323
(954) 838-2371
✔ PECOS✔ Accepts Medicare141 mi
Shannyn Estevez, APRN
Nurse Practitioner
NPI 1386361806
26463 SANDHILL BLVD
Punta Gorda, FL 33983
(305) 432-7440
✔ PECOS✔ Accepts Medicare169 mi
Maureen Hyland, NP
Nurse Practitioner
NPI 1306851126
1411 N FLAGLER DR STE 6200
West Palm Beach, FL 33401
(561) 820-8580
✔ PECOS✔ Accepts Medicare181 mi
Graham Sowa, M.D.
Internal Medicine
NPI 1508390824
119 OAKFIELD DR
Brandon, FL 33511
(813) 681-5551
✔ PECOS✔ Accepts Medicare233 mi
Bassem George, M.D.
Internal Medicine
NPI 1518106871
230 N BROAD ST HAHNEMANN UNIVERSITY HOSPITAL/ DREXEL UNIVERSITY
Philadelphia, PA 19102
(215) 762-2514
✔ PECOS✔ Accepts Medicare1,126 mi
See all 36 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 Md4er LLC's NPI number?

The NPI number for Md4er LLC is 1568851707. It was assigned to this organization in the NPPES registry on January 12, 2015.

Where is Md4er LLC located?

Md4er LLC is located at 5900 College Rd, Key West, FL 33040. The listed phone number is (305) 294-5531.

What is Md4er LLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Md4er LLC enrolled in Medicare?

Yes. Md4er LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Md4er LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 36 clinicians in 4 Medicare specialties reassign their Medicare billing to Md4er 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 Emergency Medicine (18), Nurse Practitioner (8) and Family Practice (6). Of these, 6 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Md4er LLC accept?

Health plans from WellSense Health Plan and Wellpoint list Md4er LLC 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 Md4er LLC was last updated on May 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.