LINDA M COSTELLO PA-C
NPI 1396055471
Physician Assistant - Medical in Washington, DC

NPI Status: Active since October 07, 2010

Contact Information

2141 K ST NW
SUITE 500
WASHINGTON, DC
ZIP 20037
Phone: (202) 994-6827

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NPPES record last updated: October 7, 2010. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Physician Assistant
  • Medical

About LINDA COSTELLO

This page provides the complete NPI Profile along with additional information for Linda Costello, a primary care provider established in Washington, District Of Columbia with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1396055471 assigned on October 2010. The practitioner's primary taxonomy code is 363AM0700X with license number PA30037 (DC). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1396055471
Provider Name
LINDA M COSTELLO PA-C
Gender
Female
Entity Type
Individual
Location Address
2141 K ST NW SUITE 500 WASHINGTON, DC 20037
Location Phone
(202) 994-6827
Mailing Address
2141 K ST NW SUITE 500 WASHINGTON, DC 20037
Mailing Phone
(202) 994-6827
Is Sole Proprietor?
No
Enumeration Date
10-07-2010
Last Update Date
10-07-2010
Code Navigator

A primary care provider (PCP) like Linda Costello sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA30037
License State
DC

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)
1363AM0700XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Medical

0110840738 (VA)
2363AM0700XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Medical

C0003131 (MD)

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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 1396055471, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 9 → 18 → 9 0 → 0 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 0 + 5 + 1 + 0 + 4 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1396055471.

Other Providers at the Same Location


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

Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Specialist
2141 K ST NW, STE 900
WASHINGTON, DC 20037
Internal Medicine
2141 K ST NW, STE 701
WASHINGTON, DC 20037
Internal Medicine (Gastroenterology)
2141 K ST NW, SUITE 606
WASHINGTON, DC 20037
Internal Medicine
2141 K ST NW, SUITE 606
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW, SUITE 401
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW, SUITE 401
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW, SUITE 401
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW, SUITE 401
WASHINGTON, DC 20037
Pediatrics
2141 K ST NW, SUITE 401
WASHINGTON, DC 20037
Internal Medicine (Gastroenterology)
2141 K ST NW, SUITE 606
WASHINGTON, DC 20037
Internal Medicine
2141 K ST NW, SUITE 600
WASHINGTON, DC 20037
Pharmacy (Community/Retail Pharmacy)
2141 K ST NW
WASHINGTON, DC 20037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396055471, enumerated as an "individual" on October 07, 2010.

The provider is located at 2141 K ST NW SUITE 500 WASHINGTON, DC 20037 and the phone number is (202) 994-6827.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.