DR. GREGORY T ARMSTRONG MD
NPI 1225142102
Pediatrics - Pediatric Hematology-Oncology in Memphis, TN

NPI Status: Active since August 18, 2006

Contact Information

262 DANNY THOMAS PL # MS 515
MEMPHIS, TN
ZIP 38105
Phone: (901) 595-3006
Fax: (901) 595-3842

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  • Individual
  • Male
  • Pediatrics
  • Pediatric Hematology-Oncology
  • PECOS Enrolled

About GREGORY ARMSTRONG

This page provides the complete NPI Profile along with additional information for Gregory Armstrong, a pediatrician established in Memphis, Tennessee with a medical specialization in Pediatrics, focusing in pediatric hematology-oncology . The healthcare provider is registered in the NPI registry with number 1225142102 assigned on August 2006. The practitioner's primary taxonomy code is 2080P0207X with license number 41262 (TN). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1225142102
Provider Name
DR. GREGORY T ARMSTRONG MD
Gender
Male
Entity Type
Individual
Location Address
262 DANNY THOMAS PL # MS 515 MEMPHIS, TN 38105
Location Phone
(901) 595-3006
Location Fax
(901) 595-3842
Mailing Address
262 DANNY THOMAS PL # MS 515 MEMPHIS, TN 38105
Mailing Phone
(901) 595-3006
Mailing Fax
(901) 595-3842
Is Sole Proprietor?
No
Enumeration Date
08-18-2006
Last Update Date
03-29-2011
Code Navigator

A pediatrician like Gregory Armstrong is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics Pediatric Hematology-Oncology

Taxonomy Code
2080P0207X
Type
Allopathic & Osteopathic Physicians
License No.
41262
License State
TN
Taxonomy Description
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

41262 (TN)

Medicare Participation & PECOS Enrollment Status

Gregory Armstrong is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1225142102, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 2 + 4 + 4 + 1 + 0 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1225142102.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Hematology-Oncology)
262 DANNY THOMAS PL # MS 515, C/O DANA CANNON
MEMPHIS, TN 38105
Radiology (Pediatric Radiology)
262 DANNY THOMAS PL # MS 515, 262 DANNY THOMAS PLACE
MEMPHIS, TN 38105
Surgery (Pediatric Surgery)
262 DANNY THOMAS PL # MS 515
MEMPHIS, TN 38105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225142102, enumerated as an "individual" on August 18, 2006.

The provider is located at 262 DANNY THOMAS PL # MS 515 MEMPHIS, TN 38105 and the phone number is (901) 595-3006.

Pediatrics with taxonomy code 2080P0207X and a focus in Pediatric Hematology-Oncology.