DR. TAD GERLINGER M.D.
NPI 1922097971
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Chicago, IL

Q: What is Tad Gerlinger's NPI number?

The NPI number for Tad Gerlinger is 1922097971. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Q: What is Tad Gerlinger's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Q: Is Tad Gerlinger enrolled in Medicare?

No. Tad Gerlinger has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Tad Gerlinger was last updated on April 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since October 20, 2005Opted out of Medicare · through Jul 1, 2027

1611 W HARRISON ST, SUITE 400, CHICAGO, IL 60612(312) 432-2300(312) 942-1517 Get Directions Write a Review

NPPES record last updated: April 4, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Tad Gerlinger M.d. NPPES

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

DR. TAD GERLINGER M.D. (NPI 1922097971) is an individual adult reconstructive orthopaedic surgery provider in Chicago, Illinois, licensed in Illinois (036111139) and active in the NPI registry since October 2005. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer, is affiliated with Rush University Medical Center, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1922097971

Entity TypeIndividualMale

Primary Taxonomy207XS0114X

Provider Legal NameDR. TAD GERLINGERCredential: M.D.

Location Address1611 W HARRISON ST, SUITE 400Chicago, IL 60612-4861

Mailing Address1611 W Harrison St, Suite 300Chicago, IL 60612-4861 · (312) 432-2300 · Fax (312) 942-1517

Phone(312) 432-2300

Fax(312) 942-1517

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateOctober 20, 2005

Last NPPES UpdateApril 4, 2014

✔ NPI 1922097971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XS0114X

License✔ Licensed in IL · 036111139

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 23111 (WV), M4089 (TX)

1611 W HARRISON ST, Chicago, IL 60612

Open in Google Maps ↗

Other Identifiers 5

OtherGE4234051WV · Medicare Ptan

Medicare UPINI19959IL

Other1633878IL · Bcbs Il

Medicare PINK11766IL

Medicaid036111139IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Tad Gerlinger M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2025 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2025

Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 17

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.

Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg J3304

Triamcinolone acetonide is a long-lasting, preservative-free steroid injection. It's delivered in tiny, slow-releasing particles (microspheres) to manage inflammation or related conditions. The dose given is 1 mg. It's generally safe with few side effects.

4,128 services84 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

426 services305 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.

328 services328 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

322 services265 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

271 services199 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

229 services187 patients

X-ray for bone length assessment 77073

An X-ray for bone length assessment is a simple, non-invasive imaging test. It helps to evaluate the length of your bones and identify any discrepancies or abnormalities. This procedure is quick, painless, and provides valuable information for your healthcare provider.

207 services141 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

154 services118 patients

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.

116 services112 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

105 services101 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

53 services25 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

50 services49 patients

Replacement of knee joint on side of knee 27446

A knee joint replacement on one side, also known as unicompartmental knee replacement, is a surgical procedure where damaged parts of the knee joint are replaced with artificial parts. This helps to reduce pain and improve mobility. It's typically done under general anesthesia.

29 services28 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

21 services19 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

16 services13 patients

X-ray of both hips, 3-4 views 73522

An X-ray of both hips with 3-4 views is a safe imaging procedure. It involves capturing multiple pictures of your hip joints from different angles. This helps in diagnosing conditions like arthritis or fractures. You'll need to stay still during the process for clear images.

16 services16 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.

14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

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.

Reported Quality Measures

Perioperative Care: Selection of Prophylactic Antibiotic - First OR Second Generation Cephalosporin

Percentage of surgical patients aged 18 years and older undergoing procedures with the indications for a first OR second generation cephalosporin prophylactic antibiotic, who had an order for a first OR second generation cephalosporin for antimicrobial…

100%252 patients

Perioperative Care: Venous Thromboembolism (VTE) Prophylaxis (When Indicated in ALL Patients)

Percentage of surgical patients aged 18 years and older undergoing procedures for which venous thromboembolism (VTE) prophylaxis is indicated in all patients, who had an order for Low Molecular Weight Heparin (LMWH), Low- Dose Unfractionated Heparin (LDUH)…

100%251 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Crutches underarm, other than wood, adjustable or fixed, pair, with pads, tips and handgrips E0114

DME-Other DME · category DE000N

2 suppliers12 claims12 services$45.23 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. FRANK M. PHILLIPS M.D.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

1611 W HARRISON ST, STE 400
CHICAGO, IL 60612

Cook County (312) 243-4244

GEORGE KOURIS MD SC

Plastic Surgery

1611 W HARRISON ST, 212
CHICAGO, IL 60612

Cook County (312) 432-2850

EMILY N STOUFFER NP-C

Nurse Practitioner

1611 W HARRISON ST, SUITE 400
CHICAGO, IL 60612

Cook County (312) 243-4244

TARA KENNEDY DUFFY PA

Physician Assistant

1611 W HARRISON ST
CHICAGO, IL 60612

Cook County (877) 632-6637

EMILY REESON MD

Orthopaedic Surgery

1611 W HARRISON ST
CHICAGO, IL 60612

Cook County (815) 576-2046

DR. JEFFREY M MJAANES MD

Pediatrics (Sports Medicine)

1611 W HARRISON ST, STE 400
CHICAGO, IL 60612

Cook County (312) 243-4244

ASHLEY SCHULTEJANN ATC

Specialist/Technologist (Athletic Trainer)

1611 W HARRISON ST, SUITE 300
CHICAGO, IL 60612

Cook County (312) 432-2432

PAIGE MAHER PA-C

Physician Assistant

1611 W HARRISON ST, STE 300
CHICAGO, IL 60612

Cook County (312) 432-2381

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 Tad Gerlinger's NPI number?

The NPI number for Tad Gerlinger is 1922097971. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Tad Gerlinger located?

Tad Gerlinger practices at 1611 W Harrison St Suite 400, Chicago, IL 60612. The listed phone number is (312) 432-2300.

What is Tad Gerlinger's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Tad Gerlinger enrolled in Medicare?

No. Tad Gerlinger has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Tad Gerlinger accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Tad Gerlinger 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.

Is Tad Gerlinger affiliated with any hospitals?

According to CMS data, Tad Gerlinger is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Tad Gerlinger was last updated on April 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.