STEPHEN GERARD CROWLEY MD
NPI 1770160954
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Skokie, IL
NPI Status: Active since March 25, 2021
Contact Information
9650 GROSS POINT RD.
SUITE 2900
SKOKIE, IL
ZIP 60076
Phone: (224) 251-2900
Fax: (224) 251-5096
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Orthopaedic Surgery
- Adult Reconstructive Orthopaedic Surgery
- PECOS Enrolled
About STEPHEN CROWLEY
This page provides the complete NPI Profile along with additional information for Stephen Crowley, a provider established in Skokie, Illinois with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1770160954 assigned on March 2021. The practitioner's primary taxonomy code is 207XS0114X with license number 036180444 (IL). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1770160954
- Provider Name
- STEPHEN GERARD CROWLEY MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9650 GROSS POINT RD. SUITE 2900 SKOKIE, IL 60076
- Location Phone
- (224) 251-2900
- Location Fax
- (224) 251-5096
- Mailing Address
- 47 NEW SCOTLAND AVE DEPT OF ALBANY, NY 12208
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-25-2021
- Last Update Date
- 06-12-2026
- Code Navigator
Location Map
Secondary Locations
- 47 New Scotland Avenue, Dept of Orthopaedic Surgery
Albany, NY 12208
(518) 453-3079
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.
- 036180444
- 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.
Medicare Participation & PECOS Enrollment Status
Stephen Crowley 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
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
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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 1770160954, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
SKOKIE, IL 60076
SKOKIE, IL 60076
SKOKIE, IL 60076
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770160954, enumerated as an "individual" on March 25, 2021.
The provider is located at 9650 GROSS POINT RD. SUITE 2900 SKOKIE, IL 60076 and the phone number is (224) 251-2900.
Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.
