DR. TREVOR THOMAS NICHOLSON M.D.
NPI 1265789770
Internal Medicine - Pulmonary Disease in Chicago, IL

NPI Status: Active since August 14, 2012

Contact Information

675 N SAINT CLAIR ST
18-250
CHICAGO, IL
ZIP 60611
Phone: (312) 695-1800

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  • Individual
  • Male
  • Internal Medicine
  • Pulmonary Disease

About TREVOR NICHOLSON

This page provides the complete NPI Profile along with additional information for Trevor Nicholson, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1265789770 assigned on August 2012. The practitioner's primary taxonomy code is 207RP1001X with license number 036138195 (IL). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1265789770
Provider Name
DR. TREVOR THOMAS NICHOLSON M.D.
Gender
Male
Entity Type
Individual
Location Address
675 N SAINT CLAIR ST 18-250 CHICAGO, IL 60611
Location Phone
(312) 695-1800
Mailing Address
240 E HURON PULMONARY AND CRITICAL CARE CHICAGO, IL 60611
Mailing Phone
(312) 695-1800
Is Sole Proprietor?
Yes
Enumeration Date
08-14-2012
Last Update Date
06-12-2015
Code Navigator

An internist like Trevor Nicholson 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 Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
036138195
License State
IL
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

036138195 (IL)
2207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

036138195 (IL)

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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 1265789770, 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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 6 → 12 → 3 7 → 14 → 5 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 4 + 8 + 1 + 8 + 7 + 1 + 4 + 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 1265789770.

Other Providers at the Same Location


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

Internal Medicine (Hematology)
675 N SAINT CLAIR ST, SUITE 21-100
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, SUITE 18-200
CHICAGO, IL 60611
Surgery (Surgical Oncology)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Allergy & Immunology
675 N SAINT CLAIR ST, STE 18-250
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, GALTER 18-#200
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST
CHICAGO, IL 60611
Internal Medicine (Nephrology)
675 N SAINT CLAIR ST, SUITE #250
CHICAGO, IL 60611
Obstetrics & Gynecology (Reproductive Endocrinology)
675 N SAINT CLAIR ST, SUITE #200
CHICAGO, IL 60611
Social Worker (Clinical)
675 N SAINT CLAIR ST, GALTER 20-100
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, GALTER 18-200
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611
Anesthesiology (Pain Medicine)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Internal Medicine (Cardiovascular Disease)
675 N SAINT CLAIR ST, GALTER 19-100
CHICAGO, IL 60611
Surgery (Vascular Surgery)
675 N SAINT CLAIR ST, NORTHWESTERN MEMORIAL HOSPIALT GALTER 19-100
CHICAGO, IL 60611
Physician Assistant
675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611
Obstetrics & Gynecology (Reproductive Endocrinology)
675 N SAINT CLAIR ST, GALTER 14-200
CHICAGO, IL 60611
Ophthalmology
675 N SAINT CLAIR ST, GALTER 15-150
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
675 N SAINT CLAIR ST, GALTER 18-250
CHICAGO, IL 60611
Urology
675 N SAINT CLAIR ST, GALTER 17-250
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265789770, enumerated as an "individual" on August 14, 2012.

The provider is located at 675 N SAINT CLAIR ST 18-250 CHICAGO, IL 60611 and the phone number is (312) 695-1800.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.