DR. JOHN T. O'BRIAN MD
NPI 1740256817
Internal Medicine - Endocrinology, Diabetes & Metabolism in Norfolk, VA

NPI Status: Active since February 27, 2006

Contact Information

855 W BRAMBLETON AVE
NORFOLK, VA
ZIP 23510
Phone: (757) 446-5908
Fax: (757) 446-7055

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  • Individual
  • Male
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About JOHN O'BRIAN

This page provides the complete NPI Profile along with additional information for John O'brian, an internist established in Norfolk, Virginia with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1740256817 assigned on February 2006. The practitioner's primary taxonomy code is 207RE0101X with license number 0101045036 (VA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1740256817
Provider Name
DR. JOHN T. O'BRIAN MD
Gender
Male
Entity Type
Individual
Location Address
855 W BRAMBLETON AVE NORFOLK, VA 23510
Location Phone
(757) 446-5908
Location Fax
(757) 446-7055
Mailing Address
PO BOX 936 NORFOLK, VA 23501
Mailing Phone
(757) 446-5908
Mailing Fax
(757) 446-7055
Is Sole Proprietor?
No
Enumeration Date
02-27-2006
Last Update Date
12-02-2009
Code Navigator

An internist like John O'brian 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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
0101045036
License State
VA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

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

0101045036 (VA)

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.

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.

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.

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
0542IOTHER (01)NCBC/BS
099037OTHER (01)VAANTHEM
PAROTHER (01)VAAETNA
006036830MEDICAID (05)VA 
15446OTHER (01)VASENTARA OPTIMA
E67330MEDICARE UPIN (02)VA 
004980212MEDICAID (05)VA 
690498084MEDICARE PIN (08)VA 
081216OTHER (01)VAANTHEM
PAROTHER (01)VAVIRGINIA HEALTH NETWORK
PAROTHER (01)VAMULTIPLAN
PAROTHER (01)VAFIRST HEALTH COMMERCIAL/SOUTHERN HEALTH/COVENTRY
PAROTHER (01)VAVIRGINIA PREMIER HEALTH
-033OTHER (01)VATRICARE/CHAMPUS
PAROTHER (01)VAUSA MANAGED CARE
890542IMEDICAID (05)NC 
110041489MEDICARE PIN (08)VA 
PAROTHER (01)VACORVEL/CORCARE
215706OTHER (01)VAUHC/MAMSI
PAROTHER (01)VACIGNA
110003617MEDICARE PIN (08)VA 

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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 1740256817, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 4 + 5 + 1 + 2 + 8 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1740256817.

Other Providers at the Same Location


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

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Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
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Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Dietitian, Registered
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Nurse Practitioner (Family)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Nurse Practitioner
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Nurse Practitioner (Acute Care)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Pulmonary Disease)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Sleep Medicine)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Nurse Practitioner (Adult Health)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Specialist/Technologist (Athletic Trainer)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Student in an Organized Health Care Education/Training Program
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Nurse Practitioner (Family)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Endocrinology, Diabetes & Metabolism)
855 W BRAMBLETON AVE
NORFOLK, VA 23510
Internal Medicine (Pulmonary Disease)
855 W BRAMBLETON AVE
NORFOLK, VA 23510

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740256817, enumerated as an "individual" on February 27, 2006.

The provider is located at 855 W BRAMBLETON AVE NORFOLK, VA 23510 and the phone number is (757) 446-5908.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Blue Cross Blue Shield, Medicare, Medicaid, Anthem. Please consult your insurance carrier or call the provider to verify.