MARK KLEIN M.D.
NPI 1194776419
Specialist in Washington, DC

NPI Status: Active since May 12, 2006

Contact Information

2141 K ST NW
STE 900
WASHINGTON, DC
ZIP 20037
Phone: (202) 223-9722
Fax: (703) 280-5098

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  • Individual
  • Male
  • Specialist
  • PECOS Enrolled

About MARK KLEIN

This page provides the complete NPI Profile along with additional information for Mark Klein, a provider established in Washington, District Of Columbia with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1194776419 assigned on May 2006. The practitioner's primary taxonomy code is 174400000X with license number MD11986 (DC). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1194776419
Provider Name
MARK KLEIN M.D.
Gender
Male
Entity Type
Individual
Location Address
2141 K ST NW STE 900 WASHINGTON, DC 20037
Location Phone
(202) 223-9722
Location Fax
(703) 280-5098
Mailing Address
3015 WILLIAMS DR STE 200 FAIRFAX, VA 22031
Mailing Phone
(703) 641-9133
Mailing Fax
(703) 280-5098
Is Sole Proprietor?
No
Enumeration Date
05-12-2006
Last Update Date
01-16-2008
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
MD11986
License State
DC
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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.

*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
453339W85MEDICARE ID-TYPE UNSPECIFIED (04) 
C89119MEDICARE UPIN (02) 

Medicare Participation & PECOS Enrollment Status

Mark Klein 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

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Complete ultrasound scan of abdomen

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

This service was performed 13 times for 12 patients

Complete ultrasound scan of pelvis

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

This service was performed 16 times for 15 patients

Ct scan of abdomen and pelvis with contrast

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

This service was performed 34 times for 34 patients

Ct scan of abdomen and pelvis without contrast

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

This service was performed 22 times for 22 patients

Ct scan of chest with contrast

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

This service was performed 19 times for 18 patients

Ct scan of chest without contrast

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

This service was performed 42 times for 42 patients

Ct scan of heart with evaluation of blood vessel calcium

A CT scan of the heart with evaluation of blood vessel calcium is a non-invasive test that uses X-rays to create detailed images of your heart. It helps in detecting and measuring calcium-containing plaque in the arteries, which can indicate heart disease.

This service was performed 22 times for 22 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

This service was performed 33 times for 33 patients

Diagnostic mammography of 1 breast

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

This service was performed 21 times for 21 patients

Diagnostic mammography of both breasts

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

This service was performed 22 times for 22 patients

Dxa bone density measurement of hip, pelvis, spine

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

This service was performed 75 times for 75 patients

Limited ultrasound scan of 1 breast

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

This service was performed 16 times for 16 patients

Low dose ct scan of chest for lung cancer screening

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

This service was performed 15 times for 15 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

This service was performed 6,625 times for 54 patients

Screening 3d breast mammography

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

This service was performed 228 times for 228 patients

Screening mammography

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

This service was performed 228 times for 228 patients

Ultrasound scan of head and neck soft tissue

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

This service was performed 18 times for 18 patients

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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 1194776419, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 7 → 14 → 5 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 4 + 7 + 1 + 2 + 4 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1194776419.

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
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
Podiatrist
2141 K ST NW, SUITE 702
WASHINGTON, DC 20037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194776419, enumerated as an "individual" on May 12, 2006.

The provider is located at 2141 K ST NW STE 900 WASHINGTON, DC 20037 and the phone number is (202) 223-9722.

Specialist with taxonomy code 174400000X.

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