MARKELLA MICHAEL CHRISTAKIS M.D.
NPI 1154632172
Surgery in Port Jefferson, NY
NPI Status: Active since June 24, 2010
Contact Information
70 N COUNTRY RD
SUITE 201
PORT JEFFERSON, NY
ZIP 11777
Phone: (631) 403-4310
Fax: (631) 403-4312
- Individual
- Female
- Surgery
- Opted-Out Medicare
About MARKELLA CHRISTAKIS
This page provides the complete NPI Profile along with additional information for Markella Christakis, a provider established in Port Jefferson, New York with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1154632172 assigned on June 2010. The practitioner's primary taxonomy code is 208600000X with license number 257297 (NY). The provider is registered as an individual and her NPI record was last updated 16 years ago.
- NPI
- 1154632172
- Provider Name
- MARKELLA MICHAEL CHRISTAKIS M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777
- Location Phone
- (631) 403-4310
- Location Fax
- (631) 403-4312
- Mailing Address
- 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777
- Mailing Phone
- (631) 403-4310
- Mailing Fax
- (631) 403-4312
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-24-2010
- Last Update Date
- 06-24-2010
- Code Navigator
A surgeon like Markella Christakis treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.
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. Markella Christakis opted out of Medicare effective on 03-06-2025 until 03-06-2027. 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 and cannot 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
Surgery
- Taxonomy Code
- 208600000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 257297
- License State
- NY
- Taxonomy Description
- A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Medicare Participation & PECOS Enrollment Status
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.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 03-06-2025
Opt-Out End Date: 03-06-2027
Eligible to Order and Refer? No
Reviews for MARKELLA MICHAEL CHRISTAKIS M.D.
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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 1154632172, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).
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 48 is 50. 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.
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
PORT JEFFERSON, NY 11777
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154632172, enumerated as an "individual" on June 24, 2010.
The provider is located at 70 N COUNTRY RD SUITE 201 PORT JEFFERSON, NY 11777 and the phone number is (631) 403-4310.
Surgery with taxonomy code 208600000X.
