DR. WILLIAM JOEL RIVERA CARRERO MD
NPI 1104669506
General Practice in Kissimmee, FL

NPI Status: Active since June 14, 2024

Contact Information

1210 E OSCEOLA PKWY STE 201
KISSIMMEE, FL
ZIP 34744
Phone: (321) 422-2303
Fax: (855) 538-4617

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  • Individual
  • Male
  • General Practice
  • PECOS Enrolled

About WILLIAM RIVERA CARRERO

This page provides the complete NPI Profile along with additional information for William Rivera Carrero, a primary care provider established in Kissimmee, Florida with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1104669506 assigned on June 2024. The practitioner's primary taxonomy code is 208D00000X with license number ACN1783 (FL). The provider is registered as an individual and his NPI record was last updated June 2026. William Rivera Carrero operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1104669506
Provider Name
DR. WILLIAM JOEL RIVERA CARRERO MD
Gender
Male
Entity Type
Individual
Location Address
1210 E OSCEOLA PKWY STE 201 KISSIMMEE, FL 34744
Location Phone
(321) 422-2303
Location Fax
(855) 538-4617
Mailing Address
1210 E OSCEOLA PKWY STE 201 KISSIMMEE, FL 34744
Mailing Phone
(321) 422-2303
Mailing Fax
(855) 538-4617
Is Sole Proprietor?
Yes
Enumeration Date
06-14-2024
Last Update Date
06-15-2026
Code Navigator

A primary care provider (PCP) like William Rivera Carrero sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
ACN1783
License State
FL
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Medicare Participation & PECOS Enrollment Status

William Rivera Carrero 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 1104669506, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
6
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 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 2 + 6 + 1 + 8 + 5 + 0 + 24 = 54

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1104669506.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Specialist/Technologist, Other (Surgical Assistant)
1210 E OSCEOLA PKWY STE 201
KISSIMMEE, FL 34744
Nurse Practitioner (Family)
1210 E OSCEOLA PKWY STE 201
KISSIMMEE, FL 34744

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104669506, enumerated as an "individual" on June 14, 2024.

The provider is located at 1210 E OSCEOLA PKWY STE 201 KISSIMMEE, FL 34744 and the phone number is (321) 422-2303.

General Practice with taxonomy code 208D00000X.