Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. BABATUNDE ADEKUNLE OTULANA M.D.
NPI 1306823166
Internal Medicine - Infectious Disease in Sacramento, CA

Active since December 22, 2005
4150 V ST, SUITE 3400, SACRAMENTO, CA 95817(916) 734-3564 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About BABATUNDE OTULANA

This page provides the complete NPI Profile along with additional information for Babatunde Otulana, an internist established in Sacramento, California with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1306823166 assigned on December 2005. The practitioner's primary taxonomy code is 207RI0200X with license number C51121 (CA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1306823166
Provider Name
DR. BABATUNDE ADEKUNLE OTULANA M.D.
Gender
Male
Entity Type
Individual
Location Address
4150 V ST SUITE 3400 SACRAMENTO, CA 95817
Location Phone
(916) 734-3564
Mailing Address
441 COVENTRY PL DANVILLE, CA 94506
Mailing Phone
(925) 648-7673
Is Sole Proprietor?
No
Enumeration Date
12-22-2005
Last Update Date
07-13-2026
Code Navigator

An internist like Babatunde Otulana 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
C51121
License State
CA
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

C51121 (CA)
2207PE0004XAllopathic & Osteopathic Physicians

Emergency Medicine
Emergency Medical Services

C51121 (CA)
3207PT0002XAllopathic & Osteopathic Physicians

Emergency Medicine
Medical Toxicology

C51121 (CA)
4207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

C51121 (CA)
5207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

C51121 (CA)
6207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

C51121 (CA)
7208M00000XAllopathic & Osteopathic Physicians

Hospitalist

C51121 (CA)

Reviews for DR. BABATUNDE ADEKUNLE OTULANA M.D.

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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 1306823166, 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 8 → 16 → 7 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 6 + 2 + 6 + 1 + 1 + 2 + 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 1306823166.

Other Providers at the Same Location


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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
4150 V ST, SUITE G400
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST, SUITE 3500
SACRAMENTO, CA 95817
Emergency Medicine
4150 V ST, SUITE 2100
SACRAMENTO, CA 95817
Internal Medicine (Gastroenterology)
4150 V ST, SUITE 3500, PSSB
SACRAMENTO, CA 95817
Internal Medicine (Critical Care Medicine)
4150 V ST, SUITE 3400
SACRAMENTO, CA 95817
Anesthesiology
4150 V ST, PSSB 1200
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, SUITE 2400
SACRAMENTO, CA 95817
Internal Medicine (Pulmonary Disease)
4150 V ST, SUITE 3400
SACRAMENTO, CA 95817
Emergency Medicine
4150 V ST, #2100
SACRAMENTO, CA 95817
General Acute Care Hospital
4150 V ST, PSSB G500
SACRAMENTO, CA 95817
Internal Medicine (Pulmonary Disease)
4150 V ST, SUITE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, PSSB SUITE 2400
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST, NEPHROLOGY DIVISION #3500 PSSB
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST, NEPHROLOGY DIVISION #3500 PSSB
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST, NEPHROLOGY DIVISION #3500 PSSB
SACRAMENTO, CA 95817
Internal Medicine (Critical Care Medicine)
4150 V ST, #3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, PSSB SUTE 2400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, PSSB SUITE 2400
SACRAMENTO, CA 95817
Internal Medicine (Critical Care Medicine)
4150 V ST, #3400
SACRAMENTO, CA 95817
Internal Medicine (Nephrology)
4150 V ST, NEPHROLOGY DIVISION #3500 PSSB
SACRAMENTO, CA 95817

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306823166, enumerated as an "individual" on December 22, 2005.

The provider is located at 4150 V ST SUITE 3400 SACRAMENTO, CA 95817 and the phone number is (916) 734-3564.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.