TAHMINA K AHMED. MD,PC
NPI 1093886798
Internal Medicine in Silver Spring, MD

NPI Status: Active since November 13, 2006

Contact Information

831 UNIVERSITY BLVD E
SUITE 27
SILVER SPRING, MD
ZIP 20903
Phone: (301) 445-9595
Fax: (301) 445-4499

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  • Organization
  • Internal Medicine
  • CLIA Number: 21D1057294
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-07-2026

About TAHMINA K AHMED. MD,PC

This page provides the complete NPI Profile along with additional information for Tahmina K Ahmed. Md,pc, an internist established in Silver Spring, Maryland operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1093886798 assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number D0060100 (MD). The provider is registered as an organization and their NPI record was last updated 15 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 Tahmina Khanam Ahmed Md (President)

NPI
1093886798
Provider Name
TAHMINA K AHMED. MD,PC
Entity Type
Organization
Location Address
831 UNIVERSITY BLVD E SUITE 27 SILVER SPRING, MD 20903
Location Phone
(301) 445-9595
Location Fax
(301) 445-4499
Mailing Address
9716 FOREST GROVE DR SILVER SPRING, MD 20910
Mailing Phone
(301) 681-8797
Mailing Fax
(301) 445-4499
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-13-2006
Last Update Date
10-31-2011
Code Navigator

An internist like Tahmina K Ahmed. Md,pc 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.
D0060100
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

TAHMINA KHANAM AHMED MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(301) 681-8797

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D1057294
Facility Type
Physician Office
Certificate Effective Date
August 08, 2024
Certificate Expiration Date
August 07, 2026
Laboratory Director
TAHMINA K. AHMED
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tahmina K Ahmed. Md,pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1093886798, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 8 → 16 → 7 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 6 + 8 + 1 + 2 + 7 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1093886798.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Dentist
831 UNIVERSITY BLVD E, SUITE 36B
SILVER SPRING, MD 20903
Internal Medicine
831 UNIVERSITY BLVD E, SUITE 25
SILVER SPRING, MD 20903
Internal Medicine
831 UNIVERSITY BLVD E, SUITE 27
SILVER SPRING, MD 20903
Chiropractor
831 UNIVERSITY BLVD E, SUITE 35
SILVER SPRING, MD 20903
Internal Medicine
831 UNIVERSITY BLVD E, SUITE 23
SILVER SPRING, MD 20903
Dentist (Pediatric Dentistry)
831 UNIVERSITY BLVD E, SUIT 36B
SILVER SPRING, MD 20903
Speech-Language Pathologist
831 UNIVERSITY BLVD E, #14
SILVER SPRING, MD 20903
Clinic/Center (Medical Specialty)
831 UNIVERSITY BLVD E, SUITE 11
SILVER SPRING, MD 20903
Physical Therapist
831 UNIVERSITY BLVD E, STE 34
SILVER SPRING, MD 20903
Clinic/Center (Multi-Specialty)
831 UNIVERSITY BLVD E, SUITE # 21
SILVER SPRING, MD 20903
Internal Medicine
831 UNIVERSITY BLVD E, SUITE 25
SILVER SPRING, MD 20903
Speech-Language Pathologist
831 UNIVERSITY BLVD E
SILVER SPRING, MD 20903
Internal Medicine
831 UNIVERSITY BLVD E, SUITE 25
SILVER SPRING, MD 20903
Clinic/Center (Rehabilitation)
831 UNIVERSITY BLVD E, SUITE 14
SILVER SPRING, MD 20903
Nurse Practitioner (Psychiatric/Mental Health)
831 UNIVERSITY BLVD E, #14
SILVER SPRING, MD 20903
Ophthalmology
831 UNIVERSITY BLVD E, SUITE 11
SILVER SPRING, MD 20903

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093886798, enumerated as an "organization" on November 13, 2006.

The provider is located at 831 UNIVERSITY BLVD E SUITE 27 SILVER SPRING, MD 20903 and the phone number is (301) 445-9595.

Internal Medicine with taxonomy code 207R00000X.