DR. ROBERT D JOHNSON M.D.
NPI 1811991896
Internal Medicine - Pulmonary Disease in Hot Springs, AR

NPI Status: Active since June 08, 2005

Contact Information

1 MERCY LN
STE 401
HOT SPRINGS, AR
ZIP 71913
Phone: (501) 623-5220
Fax: (501) 623-1546

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  • Individual
  • Male
  • Internal Medicine
  • Pulmonary Disease

About ROBERT JOHNSON

This page provides the complete NPI Profile along with additional information for Robert Johnson, an internist established in Hot Springs, Arkansas with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1811991896 assigned on June 2005. The practitioner's primary taxonomy code is 207RP1001X with license number C-4606 (AR). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1811991896
Provider Name
DR. ROBERT D JOHNSON M.D.
Gender
Male
Entity Type
Individual
Location Address
1 MERCY LN STE 401 HOT SPRINGS, AR 71913
Location Phone
(501) 623-5220
Location Fax
(501) 623-1546
Mailing Address
PO BOX 21850 HOT SPRINGS, AR 71903
Mailing Phone
(501) 627-1800
Mailing Fax
(501) 623-1546
Is Sole Proprietor?
No
Enumeration Date
06-08-2005
Last Update Date
06-29-2016
Code Navigator

An internist like Robert Johnson 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.
C-4606
License State
AR
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.

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
104646001MEDICAID (05)AR 
D84192MEDICARE UPIN (02)AR 

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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 1811991896, 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 1 → 2 9 → 18 → 9 1 → 2 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 + 2 + 1 + 1 + 8 + 9 + 2 + 8 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1811991896.

Other Providers at the Same Location


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

Anesthesiology (Pain Medicine)
1 MERCY LN, STE 304
HOT SPRINGS, AR 71913
Surgery
1 MERCY LN, SUITE 201
HOT SPRINGS, AR 71913
Urology
1 MERCY LN, STE 201
HOT SPRINGS, AR 71913
Clinic/Center (Ambulatory Surgical)
1 MERCY LN, STE 601
HOT SPRINGS, AR 71913
Surgery
1 MERCY LN, SUITE 201
HOT SPRINGS, AR 71913
Surgery
1 MERCY LN, SUITE 201
HOT SPRINGS, AR 71913
Family Medicine
1 MERCY LN, STE 201
HOT SPRINGS, AR 71913
Nurse Practitioner
1 MERCY LN, SUITE 502
HOT SPRINGS, AR 71913
Plastic Surgery
1 MERCY LN, SUITE 406
HOT SPRINGS, AR 71913
Psychiatry & Neurology (Neurology)
1 MERCY LN, SUITE 505
HOT SPRINGS, AR 71913
Clinic/Center (Pain)
1 MERCY LN, SUITE 304
HOT SPRINGS, AR 71913
Orthopaedic Surgery
1 MERCY LN, SUITE 404
HOT SPRINGS, AR 71913
Family Medicine
1 MERCY LN, SUITE 405
HOT SPRINGS, AR 71913
Clinic/Center (Medical Specialty)
1 MERCY LN, SUITE 404
HOT SPRINGS, AR 71913
Specialist
1 MERCY LN, SUITE 505
HOT SPRINGS, AR 71913
Family Medicine
1 MERCY LN, SUITE 301
HOT SPRINGS, AR 71913
Family Medicine
1 MERCY LN, SUITE 301
HOT SPRINGS, AR 71913
Family Medicine
1 MERCY LN, SUITE 301
HOT SPRINGS, AR 71913
Otolaryngology
1 MERCY LN, SUITE 205
HOT SPRINGS, AR 71913
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1 MERCY LN, SUITE 201
HOT SPRINGS, AR 71913

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811991896, enumerated as an "individual" on June 08, 2005.

The provider is located at 1 MERCY LN STE 401 HOT SPRINGS, AR 71913 and the phone number is (501) 623-5220.

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

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