SAMUEL CASTILLO
NPI 1881894095
Internal Medicine - Gastroenterology in Chicago, IL

NPI Status: Active since July 25, 2007

Contact Information

1431 N WESTERN AVE
SUITE 133
CHICAGO, IL
ZIP 60622
Phone: (773) 342-6800
Fax: (708) 456-8273

Get Directions Write a Review

  • Organization
  • Internal Medicine
  • Gastroenterology

About SAMUEL CASTILLO

This page provides the complete NPI Profile along with additional information for Samuel Castillo, an internist established in Chicago, Illinois operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1881894095 assigned on July 2007. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 19 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. America Castillo (Office Manager)

NPI
1881894095
Provider Name
SAMUEL CASTILLO
Entity Type
Organization
Location Address
1431 N WESTERN AVE SUITE 133 CHICAGO, IL 60622
Location Phone
(773) 342-6800
Location Fax
(708) 456-8273
Mailing Address
2127 NORTH 77TH COURT ELMWOOD PARK, IL 60707
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-25-2007
Last Update Date
07-25-2007
Code Navigator

An internist like Samuel Castillo is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. AMERICA CASTILLO

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(708) 456-7652

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
D14997MEDICARE UPIN (02)IL 
692861MEDICARE PIN (08)IL 

Reviews for SAMUEL CASTILLO

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1881894095, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
5
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 8 → 16 → 7 8 → 16 → 7 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 6 + 9 + 8 + 0 + 1 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1881894095.

Other Providers at the Same Location


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

Family Medicine (Addiction Medicine)
1431 N WESTERN AVE, SUITE 205
CHICAGO, IL 60622
Specialist
1431 N WESTERN AVE, SUITE 510
CHICAGO, IL 60622
Specialist
1431 N WESTERN AVE
CHICAGO, IL 60622
Orthopaedic Surgery
1431 N WESTERN AVE
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE, SUITE 112
CHICAGO, IL 60622
Pediatrics
1431 N WESTERN AVE, SUITE 101
CHICAGO, IL 60622
Podiatrist (Foot & Ankle Surgery)
1431 N WESTERN AVE, SUITE 210
CHICAGO, IL 60622
Internal Medicine
1431 N WESTERN AVE, SUITE #209
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE, SUITE 309
CHICAGO, IL 60622
Specialist
1431 N WESTERN AVE, 134
CHICAGO, IL 60622
Physical Therapist
1431 N WESTERN AVE, 140
CHICAGO, IL 60622
Psychiatry & Neurology (Neurology)
1431 N WESTERN AVE, SUITE 306
CHICAGO, IL 60622
Pharmacist
1431 N WESTERN AVE
CHICAGO, IL 60622
Family Medicine (Addiction Medicine)
1431 N WESTERN AVE, SUITE 205
CHICAGO, IL 60622
Specialist
1431 N WESTERN AVE, SUITE 134
CHICAGO, IL 60622
Clinic/Center (Primary Care)
1431 N WESTERN AVE, SUITE 212
CHICAGO, IL 60622
Internal Medicine (Nephrology)
1431 N WESTERN AVE, SUITE 202
CHICAGO, IL 60622
Psychiatry & Neurology (Psychiatry)
1431 N WESTERN AVE, 504
CHICAGO, IL 60622
Specialist
1431 N WESTERN AVE, SUITE 504
CHICAGO, IL 60622
Family Medicine
1431 N WESTERN AVE, SUITE 508
CHICAGO, IL 60622

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881894095, enumerated as an "organization" on July 25, 2007.

The provider is located at 1431 N WESTERN AVE SUITE 133 CHICAGO, IL 60622 and the phone number is (773) 342-6800.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.