STEPHEN D ARMSTRONG MD
NPI 1972546786
Internal Medicine - Rheumatology in Springfield, MO

NPI Status: Active since June 13, 2006

Contact Information

3555 S NATIONAL
SPRINGFIELD, MO
ZIP 65807
Phone: (417) 875-3000

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  • Individual
  • Male
  • Internal Medicine
  • Rheumatology

About STEPHEN ARMSTRONG

This page provides the complete NPI Profile along with additional information for Stephen Armstrong, an internist established in Springfield, Missouri with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1972546786 assigned on June 2006. The practitioner's primary taxonomy code is 207RR0500X with license number R3B24 (MO). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1972546786
Provider Name
STEPHEN D ARMSTRONG MD
Gender
Male
Entity Type
Individual
Location Address
3555 S NATIONAL SPRINGFIELD, MO 65807
Location Phone
(417) 875-3000
Mailing Address
3555 S NATIONAL SPRINGFIELD, MO 65807
Mailing Phone
(417) 875-3000
Is Sole Proprietor?
No
Enumeration Date
06-13-2006
Last Update Date
02-10-2016
Code Navigator

An internist like Stephen Armstrong 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 Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
R3B24
License State
MO
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

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.

*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
107070OTHER (01)BLUE CROSS/BLUE SHIELD
201523107MEDICAID (05)MO 
A10179MEDICARE UPIN (02) 
035014838MEDICARE ID-TYPE UNSPECIFIED (04) 

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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 1972546786, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 7 → 14 → 5 5 → 10 → 1 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 0 + 4 + 1 + 2 + 7 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1972546786.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Orthopaedic Surgery (Hand Surgery)
3555 S NATIONAL
SPRINGFIELD, MO 65807

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972546786, enumerated as an "individual" on June 13, 2006.

The provider is located at 3555 S NATIONAL SPRINGFIELD, MO 65807 and the phone number is (417) 875-3000.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

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