FEMI B AYANRINO MD
NPI 1619962180
Internal Medicine - Critical Care Medicine in Appleton, WI

NPI Status: Active since September 12, 2005

Contact Information

1506 S ONEIDA ST
APPLETON, WI
ZIP 54915
Phone: (920) 738-2000

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  • Individual
  • Male
  • Internal Medicine
  • Critical Care Medicine

About FEMI AYANRINO

This page provides the complete NPI Profile along with additional information for Femi Ayanrino, an internist established in Appleton, Wisconsin with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1619962180 assigned on September 2005. The practitioner's primary taxonomy code is 207RC0200X with license number 47045 (WI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1619962180
Provider Name
FEMI B AYANRINO MD
Gender
Male
Entity Type
Individual
Location Address
1506 S ONEIDA ST APPLETON, WI 54915
Location Phone
(920) 738-2000
Mailing Address
1506 S ONEIDA ST APPLETON, WI 54915
Mailing Phone
(920) 738-2000
Is Sole Proprietor?
Yes
Enumeration Date
09-12-2005
Last Update Date
09-11-2025
Code Navigator

An internist like Femi Ayanrino 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 Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
License No.
47045
License State
WI
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

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)
1208M00000XAllopathic & Osteopathic Physicians

Hospitalist

47045 (WI)

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.

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
34549500MEDICAID (05)WI 

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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 1619962180, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
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 1 → 2 9 → 18 → 9 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 8 + 6 + 4 + 1 + 1 + 6 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1619962180.

Other Providers at the Same Location


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

Internal Medicine (Pulmonary Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics (Developmental - Behavioral Pediatrics)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Pulmonary Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Nurse Practitioner
1506 S ONEIDA ST
APPLETON, WI 54915
Nurse Practitioner
1506 S ONEIDA ST
APPLETON, WI 54915
Nurse Practitioner
1506 S ONEIDA ST
APPLETON, WI 54915
Anesthesiology (Pain Medicine)
1506 S ONEIDA ST
APPLETON, WI 54915
Anesthesiology
1506 S ONEIDA ST
APPLETON, WI 54915
Anesthesiology
1506 S ONEIDA ST
APPLETON, WI 54915
Anesthesiology
1506 S ONEIDA ST
APPLETON, WI 54915
Anesthesiology
1506 S ONEIDA ST
APPLETON, WI 54915
Pathology (Anatomic Pathology & Clinical Pathology)
1506 S ONEIDA ST
APPLETON, WI 54915
Physical Therapist
1506 S ONEIDA ST
APPLETON, WI 54915
Physical Therapist
1506 S ONEIDA ST
APPLETON, WI 54915
Physical Therapist
1506 S ONEIDA ST
APPLETON, WI 54915

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619962180, enumerated as an "individual" on September 12, 2005.

The provider is located at 1506 S ONEIDA ST APPLETON, WI 54915 and the phone number is (920) 738-2000.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.

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