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GARY DEAN SLADEK MD
NPI 1225013717
Internal Medicine - Rheumatology in Orlando, FL

Active since December 07, 2005PECOS Enrolled
78.01/100
CMS Quality Rating
2501 N ORANGE AVE, 538, ORLANDO, FL 32804(407) 894-8696(407) 894-4196 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gary Dean Sladek Md NPPES

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

GARY DEAN SLADEK MD (NPI 1225013717) is an individual rheumatology provider in Orlando, Florida, licensed in Florida (ME33060) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225013717
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameGARY DEAN SLADEKCredential: MD
Location Address2501 N ORANGE AVE, 538Orlando, FL 32804-4603
Mailing Address2501 N Orange Ave, 538Orlando, FL 32804-4603 · (407) 894-8696 · Fax (407) 894-4196
Phone(407) 894-8696
Fax(407) 894-4196
Sole ProprietorYes
Enumeration DateDecember 7, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1225013717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in FL · ME33060
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
2501 N ORANGE AVE, Orlando, FL 32804
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified30358
Medicare UPIND82418

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gary Dean Sladek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Gary Sladek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Florida Hospital Medical Group Inc
2.0 mi
Family Medicine
1115 E RIDGEWOOD ST
Orlando, FL 32803
  • Reassigned Medicare billing, Florida enrollment
  • 3,005 clinicians in this Medicare group
NPI 1225034234 (407) 841-1100

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
263 services120 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
103 services64 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32804 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality57.51
Promoting Interoperability100
Improvement Activities40
Cost69.18

Other Providers at the Same Location NPPES 20

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

NIHAL IJAZ KHAN MD
Internal Medicine
2501 N ORANGE AVE
ORLANDO, FL 32804
Orange County (407) 303-1812
DR. FRANK CORSON RIGGALL M.D.
Specialist
2501 N ORANGE AVE, SUITE 209
ORLANDO, FL 32804
Orange County (407) 898-0254
MR. RAUL NOEL CORREA BPHARM
Pharmacist
2501 N ORANGE AVE
ORLANDO, FL 32804
Orange County (407) 303-2559
HEMATOLOGY & ONCOLOGY CONSULTANTS
Internal Medicine (Hematology & Oncology)
2501 N ORANGE AVE, SUITE 381
ORLANDO, FL 32804
Orange County (407) 898-5452
TRAUMA PHYSICIANS SERVICE INC
Orthopaedic Surgery (Orthopaedic Trauma)
2501 N ORANGE AVE, SUITE 340
ORLANDO, FL 32804
Orange County (407) 895-3384
ADVANCED WOMEN'S UROLOGY AND GYNECOLOGY, PLLC
Non-Pharmacy Dispensing Site
2501 N ORANGE AVE, SUITE 210
ORLANDO, FL 32804
Orange County (407) 898-9804
DR. MICHAEL RICHARD STONE DO
Internal Medicine (Hospice and Palliative Medicine)
2501 N ORANGE AVE
ORLANDO, FL 32804
Orange County (407) 303-2906
MITCHELL J FREED MD PL
Physical Medicine & Rehabilitation
2501 N ORANGE AVE, SUITE 505
ORLANDO, FL 32804
Orange County (407) 898-2924

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 Gary Sladek's NPI number?

The NPI number for Gary Sladek is 1225013717. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is Gary Sladek located?

Gary Sladek practices at 2501 N Orange Ave 538, Orlando, FL 32804. The listed phone number is (407) 894-8696.

What is Gary Sladek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Gary Sladek enrolled in Medicare?

Yes. Gary Sladek is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gary Sladek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Sladek reassigns Medicare benefits to Florida Hospital Medical Group Inc (Orlando, FL). 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 Gary Sladek'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 Gary Sladek was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.