ALEXANDER CONSTANTINE ARETAKIS MD
NPI 1003377284
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Colorado Springs, CO

NPI Status: Active since March 28, 2019

Contact Information

4125 BRIARGATE PKWY
COLORADO SPRINGS, CO
ZIP 80920
Phone: (719) 305-9060

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  • Individual
  • Male
  • Years of Experience 7
  • Orthopaedic Surgery
  • Pediatric Orthopaedic Surgery
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About ALEXANDER ARETAKIS

This page provides the complete NPI Profile along with additional information for Alexander Aretakis, a provider established in Colorado Springs, Colorado with a medical specialization in Orthopaedic Surgery, focusing in pediatric orthopaedic surgery and more than 7 years of experience. He graduated from University Of Cincinnati College Of Medicine in 2019. The healthcare provider is registered in the NPI registry with number 1003377284 assigned on March 2019. The practitioner's primary taxonomy code is 207XP3100X with license number DR.0066157 (CO). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1003377284
Provider Name
ALEXANDER CONSTANTINE ARETAKIS MD
Gender
Male
Entity Type
Individual
Location Address
4125 BRIARGATE PKWY COLORADO SPRINGS, CO 80920
Location Phone
(719) 305-9060
Mailing Address
PO BOX 110429 AURORA, CO 80042
Medical School Name
UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduation Year
2019
Is Sole Proprietor?
No
Enumeration Date
03-28-2019
Last Update Date
08-06-2025
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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 Pediatric Orthopaedic Surgery

Taxonomy Code
207XP3100X
Type
Allopathic & Osteopathic Physicians
License No.
DR.0066157
License State
CO
Taxonomy Description
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

DR.0066157 (CO)

Medicare Participation & PECOS Enrollment Status

Alexander Aretakis is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Alexander Aretakis 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

  • PECOS PAC ID: 648505974

    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: I20250806003951

    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? Maybe

    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

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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 1003377284, 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 0 → 0 3 → 6 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 0 + 3 + 6 + 7 + 1 + 4 + 2 + 1 + 6 + 24 = 56

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.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1003377284.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Pediatrics)
4125 BRIARGATE PKWY, B520
COLORADO SPRINGS, CO 80920
Speech-Language Pathologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Physical Therapist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Physical Therapist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Speech-Language Pathologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Speech-Language Pathologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Speech-Language Pathologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Nurse Practitioner (Pediatrics)
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Physical Therapist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Pediatrics (Pediatric Hematology-Oncology)
4125 BRIARGATE PKWY, SUITE 200
COLORADO SPRINGS, CO 80920
Nurse Practitioner (Family)
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Audiologist
4125 BRIARGATE PKWY, BOX 520
COLORADO SPRINGS, CO 80920
Physician Assistant (Surgical)
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Social Worker (Clinical)
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Occupational Therapist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Audiologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Audiologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Speech-Language Pathologist
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
4125 BRIARGATE PKWY
COLORADO SPRINGS, CO 80920
Nurse Practitioner (Pediatrics)
4125 BRIARGATE PKWY, CHILDREN'S HOSPITAL COLORADO
COLORADO SPRINGS, CO 80920

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003377284, enumerated as an "individual" on March 28, 2019.

The provider is located at 4125 BRIARGATE PKWY COLORADO SPRINGS, CO 80920 and the phone number is (719) 305-9060.

Orthopaedic Surgery with taxonomy code 207XP3100X and a focus in Pediatric Orthopaedic Surgery.