DR. TAD GERLINGER M.D.
NPI 1922097971
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Chicago, IL
NPI Status: Active since October 20, 2005
Contact Information
1611 W HARRISON ST
SUITE 400
CHICAGO, IL
ZIP 60612
Phone: (312) 432-2300
Fax: (312) 942-1517
- Individual
- Male
- Years of Experience 32
- Orthopaedic Surgery
- Adult Reconstructive Orthopaedic Surgery
- Accepts Insurance
- Accepts Medicare Approved Payment
- PECOS Enrolled
- Opted-Out Medicare
- Medicare Quality Reporting
About TAD GERLINGER
This page provides the complete NPI Profile along with additional information for Tad Gerlinger, a provider established in Chicago, Illinois with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery and more than 32 years of experience. The healthcare provider is registered in the NPI registry with number 1922097971 assigned on October 2005. The practitioner's primary taxonomy code is 207XS0114X with license number 036111139 (IL). The provider is registered as an individual and his NPI record was last updated 12 years ago.
- NPI
- 1922097971
- Provider Name
- DR. TAD GERLINGER M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1611 W HARRISON ST SUITE 400 CHICAGO, IL 60612
- Location Phone
- (312) 432-2300
- Location Fax
- (312) 942-1517
- Mailing Address
- 1611 W HARRISON ST SUITE 300 CHICAGO, IL 60612
- Mailing Phone
- (312) 432-2300
- Mailing Fax
- (312) 942-1517
- Medical School Name
- OTHER
- Graduation Year
- 1994
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-20-2005
- Last Update Date
- 04-04-2014
- Code Navigator
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Tad Gerlinger opted out of Medicare effective on 07-01-2025 until 07-01-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery
- Taxonomy Code
- 207XS0114X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036111139
- License State
- IL
- Taxonomy Description
- 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.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207X00000X | Allopathic & Osteopathic Physicians | Orthopaedic Surgery | 23111 (WV) |
| 2 | 207X00000X | Allopathic & Osteopathic Physicians | Orthopaedic Surgery | M4089 (TX) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Complete Silver - EPO
- Complete Silver + Vision + Adult Dental - EPO
- Elite Bronze - EPO
- Elite Bronze + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Everyday Gold - EPO
- Everyday Gold + Vision + Adult Dental - EPO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Elite Bronze - HMO
- Elite Bronze + Vision + Adult Dental - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Everyday Bronze - HMO
- Everyday Bronze + Vision + Adult Dental - HMO
- Everyday Gold - HMO
- Everyday Gold + Vision + Adult Dental - HMO
- Clear Gold - EPO
- Clear Gold + Vision + Adult Dental - EPO
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Elite Silver - EPO
- Elite Silver + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Focused Silver - EPO
- Focused Silver + Vision + Adult Dental - EPO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| GE4234051 | OTHER (01) | WV | MEDICARE PTAN |
| I19959 | MEDICARE UPIN (02) | IL | |
| 1633878 | OTHER (01) | IL | BCBS IL |
| K11766 | MEDICARE PIN (08) | IL | |
| 036111139 | MEDICAID (05) | IL |
Medicare Participation & PECOS Enrollment Status
Tad Gerlinger is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Tad Gerlinger is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 07-01-2025
Opt-Out End Date: 07-01-2027
Eligible to Order and Refer? Yes
PECOS PAC ID: 7315909041
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20041103001034
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE000N)
Crutches underarm, other than wood, adjustable or fixed, pair, with pads, tips and handgrips (HCPCS:E0114)
2 DME suppliers used 12 Medicare Claims 12 Services Paid
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Aspiration and/or injection of fluid from large joint
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Hip replacement
Injection, methylprednisolone acetate, 40 mg
Knee replacement
New patient office or other outpatient visit, 45-59 minutes
Replacement of knee joint on side of knee
Replacement of knee joint, both sides of knee
Replacement of thigh bone and hip joint with prosthesis
X-ray for bone length assessment
X-ray of both hips, 3-4 views
X-ray of hip, 2-3 views
X-ray of hip, minimum of 4 views
X-ray of knee, 1-2 views
X-ray of knee, 3 views
X-ray of knee, 4 or more views
X-ray of lower and sacral spine, minimum of 4 views
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.
This service was performed 150 times for 127 patientsThis 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.
This service was performed 373 times for 309 patientsThis 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.
This service was performed 18 times for 18 patientsThis 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.
This service was performed 131 times for 125 patientsA hip replacement is a surgical procedure where a worn-out or damaged hip joint is replaced with an artificial one. This procedure can greatly reduce pain and improve mobility. It's often recommended when other treatments like physical therapy or medications fail to alleviate symptoms.
This service was performed for 71 patientsMethylprednisolone 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.
This service was performed 273 times for 103 patientsA knee replacement is a surgical procedure where a damaged or diseased knee joint is replaced with an artificial one. This can relieve pain and improve mobility. The procedure involves removing damaged parts of the knee and inserting a prosthetic joint. Recovery may take several weeks.
This service was performed for 194 patientsThis 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.
This service was performed 346 times for 346 patientsA 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.
This service was performed 48 times for 46 patientsA 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.
This service was performed 115 times for 110 patientsThis 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.
This service was performed 70 times for 69 patientsAn 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.
This service was performed 235 times for 165 patientsAn 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.
This service was performed 24 times for 23 patientsAn 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.
This service was performed 307 times for 230 patientsAn X-ray of the hip with a minimum of 4 views is a non-invasive procedure that uses a small amount of radiation to produce images of the hip joint from different angles. This helps to diagnose conditions such as fractures, arthritis, or other abnormalities. It's a quick, painless process.
This service was performed 13 times for 13 patientsAn X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.
This service was performed 15 times for 15 patientsAn 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.
This service was performed 427 times for 308 patientsAn 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.
This service was performed 309 times for 235 patientsAn X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.
This service was performed 12 times for 12 patientsQuality Reporting
The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.
| Quality Measure | Performance | Number of Patients |
|---|
Find Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Tad Gerlinger is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| RUSH UNIVERSITY MEDICAL CENTER | 1653 WEST CONGRESS PARKWAY CHICAGO, IL 60612 | (312) 942-5000 | Acute Care Hospitals |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1922097971, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
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CHICAGO, IL 60612
CHICAGO, IL 60612
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1922097971, enumerated as an "individual" on October 20, 2005.
The provider is located at 1611 W HARRISON ST SUITE 400 CHICAGO, IL 60612 and the phone number is (312) 432-2300.
Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.
The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health,. Please consult your insurance carrier or call the provider to verify.
Tad Gerlinger is affiliated with: RUSH UNIVERSITY MEDICAL CENTER.