GERARD FRANCIS MARCIANO
NPI 1144857954
Orthopaedic Surgery - Foot and Ankle Surgery in New York, NY
NPI Status: Active since March 24, 2020
Contact Information
622 WEST 168TH STREET
PH11 - 1102
NEW YORK, NY
ZIP 10032
Phone: (212) 305-5976
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Orthopaedic Surgery
- Foot and Ankle Surgery
- PECOS Enrolled
About GERARD MARCIANO
This page provides the complete NPI Profile along with additional information for Gerard Marciano, a provider established in New York, New York with a medical specialization in Orthopaedic Surgery, focusing in foot and ankle surgery . The healthcare provider is registered in the NPI registry with number 1144857954 assigned on March 2020. The practitioner's primary taxonomy code is 207XX0004X with license number 84170 (CT). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1144857954
- Provider Name
- GERARD FRANCIS MARCIANO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 622 WEST 168TH STREET PH11 - 1102 NEW YORK, NY 10032
- Location Phone
- (212) 305-5976
- Mailing Address
- 622 WEST 168TH STREET PH11 - 1102 NEW YORK, NY 10032
- Mailing Phone
- (212) 305-5976
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-24-2020
- Last Update Date
- 06-02-2026
- Code Navigator
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 Foot and Ankle Surgery
- Taxonomy Code
- 207XX0004X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 84170
- License State
- CT
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.
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 | 207XX0004X | Allopathic & Osteopathic Physicians | Orthopaedic Surgery | 332876 (NY) |
Medicare Participation & PECOS Enrollment Status
Gerard Marciano 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 1144857954, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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 66 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.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144857954, enumerated as an "individual" on March 24, 2020.
The provider is located at 622 WEST 168TH STREET PH11 - 1102 NEW YORK, NY 10032 and the phone number is (212) 305-5976.
Orthopaedic Surgery with taxonomy code 207XX0004X and a focus in Foot and Ankle Surgery.
