THOMAS E. MASLEN, M.D. LLC
NPI 1801980834
Internal Medicine in Greenbelt, MD

NPI Status: Active since October 03, 2006

Contact Information

7525 GREENWAY CENTER DR
SUITE 316
GREENBELT, MD
ZIP 20770
Phone: (301) 220-0200
Fax: (301) 345-6956

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  • Organization
  • Internal Medicine

About THOMAS E. MASLEN, M.D. LLC

This page provides the complete NPI Profile along with additional information for Thomas E. Maslen, M.d. Llc, an internist established in Greenbelt, Maryland operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1801980834 assigned on October 2006. The practitioner's primary taxonomy code is 207R00000X with license number D55559 (MD). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Thomase E Maslen M.d. (Medical Director)

NPI
1801980834
Provider Name
THOMAS E. MASLEN, M.D. LLC
Entity Type
Organization
Location Address
7525 GREENWAY CENTER DR SUITE 316 GREENBELT, MD 20770
Location Phone
(301) 220-0200
Location Fax
(301) 345-6956
Mailing Address
7525 GREENWAY CENTER DR SUITE 316 GREENBELT, MD 20770
Mailing Phone
(301) 220-0200
Mailing Fax
(301) 345-6956
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-03-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Thomas E. Maslen, M.d. Llc 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
D55559
License State
MD
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. THOMASE E MASLEN M.D.

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(301) 220-0200

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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 1801980834, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 1 + 8 + 8 + 0 + 8 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1801980834.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
7525 GREENWAY CENTER DR, STE 205
GREENBELT, MD 20770
Surgery
7525 GREENWAY CENTER DR, SUITE 309
GREENBELT, MD 20770
Pediatrics
7525 GREENWAY CENTER DR, SUITE T 5
GREENBELT, MD 20770
Internal Medicine (Cardiovascular Disease)
7525 GREENWAY CENTER DR, SUITE T6
GREENBELT, MD 20770
Internal Medicine
7525 GREENWAY CENTER DR, SUITE 316
GREENBELT, MD 20770
Internal Medicine (Nephrology)
7525 GREENWAY CENTER DR
GREENBELT, MD 20770
Pediatrics
7525 GREENWAY CENTER DR, SUITE 105
GREENBELT, MD 20770
Family Medicine
7525 GREENWAY CENTER DR, SUITE 105
GREENBELT, MD 20770
Specialist
7525 GREENWAY CENTER DR, T1
GREENBELT, MD 20770
Dentist (General Practice)
7525 GREENWAY CENTER DR, SUITE 102
GREENBELT, MD 20770
Internal Medicine
7525 GREENWAY CENTER DR, SUITE T-4
GREENBELT, MD 20770
Internal Medicine (Nephrology)
7525 GREENWAY CENTER DR, SUITE #313
GREENBELT, MD 20770
Pediatrics
7525 GREENWAY CENTER DR, SUITE 311
GREENBELT, MD 20770
Registered Nurse
7525 GREENWAY CENTER DR, T-4
GREENBELT, MD 20770
Dentist (Orthodontics and Dentofacial Orthopedics)
7525 GREENWAY CENTER DR, 102
GREENBELT, MD 20770
Dentist (General Practice)
7525 GREENWAY CENTER DR, SUITE # 201
GREENBELT, MD 20770
Nurse Practitioner (Pediatrics)
7525 GREENWAY CENTER DR, SUITE 110
GREENBELT, MD 20770
Clinic/Center (Ambulatory Surgical)
7525 GREENWAY CENTER DR, SUITE 112
GREENBELT, MD 20770
Podiatrist
7525 GREENWAY CENTER DR, SUITE 112
GREENBELT, MD 20770
Pediatrics (Adolescent Medicine)
7525 GREENWAY CENTER DR, SUITE #110
GREENBELT, MD 20770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801980834, enumerated as an "organization" on October 03, 2006.

The provider is located at 7525 GREENWAY CENTER DR SUITE 316 GREENBELT, MD 20770 and the phone number is (301) 220-0200.

Internal Medicine with taxonomy code 207R00000X.