ROBERT K. ZEMAN M.D.
NPI 1649330713
Radiology - Nuclear Radiology in Washington, DC

NPI Status: Active since December 11, 2006

Contact Information

900 23RD ST NW
WASHINGTON, DC
ZIP 20037
Phone: (202) 715-5154
Fax: (202) 741-3396

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  • Individual
  • Male
  • Years of Experience 50
  • Radiology
  • Nuclear Radiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ROBERT ZEMAN

This page provides the complete NPI Profile along with additional information for Robert Zeman, a provider established in Washington, District Of Columbia with a medical specialization in Radiology, focusing in nuclear radiology and more than 50 years of experience. He graduated from Northwestern University Feinberg Medical School in 1976. The healthcare provider is registered in the NPI registry with number 1649330713 assigned on December 2006. The practitioner's primary taxonomy code is 2085N0904X with license number MD 13466 (DC). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1649330713
Provider Name
ROBERT K. ZEMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
900 23RD ST NW WASHINGTON, DC 20037
Location Phone
(202) 715-5154
Location Fax
(202) 741-3396
Mailing Address
2150 PENNSYLVANIA AVE NW WASHINGTON, DC 20037
Mailing Phone
(202) 715-5154
Mailing Fax
(202) 741-3396
Medical School Name
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduation Year
1976
Is Sole Proprietor?
No
Enumeration Date
12-11-2006
Last Update Date
09-11-2025
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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

Radiology Nuclear Radiology

Taxonomy Code
2085N0904X
Type
Allopathic & Osteopathic Physicians
License No.
MD 13466
License State
DC
Taxonomy Description
A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.

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)
12085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

MD 13466 (DC)

Medicare Participation & PECOS Enrollment Status

Robert Zeman is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Robert Zeman 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

  • PECOS PAC ID: 1658567250

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20101122000758

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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.

Ct scan of blood vessels and grafts of heart with contrast

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

This service was performed 59 times for 59 patients

Ct scan of blood vessels of abdomen and pelvis with contrast

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

This service was performed 24 times for 24 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 25 times for 25 patients

Imaging for evaluation of swallowing function

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

This service was performed 55 times for 55 patients

Imaging of urinary tract following injection of a contrast agent

This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.

This service was performed 25 times for 24 patients

Mri scan of heart before and after contrast

An MRI scan of the heart with contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed pictures of your heart. The contrast dye improves the clarity of these images. This test helps in diagnosing heart conditions.

This service was performed 25 times for 25 patients

Single contrast x-ray of esophagus

A single contrast x-ray of the esophagus is a non-invasive procedure where a radiopaque substance is swallowed to highlight the esophagus. This allows doctors to capture clear images of the area, aiding in the diagnosis of any abnormalities or issues.

This service was performed 15 times for 15 patients

X-ray of abdomen, 1 view

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

This service was performed 85 times for 77 patients

X-ray of abdomen, 2 views

An X-ray of the abdomen, 2 views, is a non-invasive imaging test. It uses a small amount of radiation to capture pictures of the structures inside your belly. The two views provide different angles, helping doctors see your organs clearly and detect any issues.

This service was performed 18 times for 18 patients

X-ray of chest, 1 view

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

This service was performed 12 times for 11 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 1649330713, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 4 → 8 3 → 6 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 6 + 3 + 0 + 7 + 2 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1649330713.

Other Providers at the Same Location


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

Internal Medicine (Nephrology)
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G-2092
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW, GEORGE WASHINGTON UNIV HOSP
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
Radiology (Diagnostic Radiology)
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology (Critical Care Medicine)
900 23RD ST NW, SUITE G- 2902
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology (Pain Medicine)
900 23RD ST NW, SUITE G - 2902
WASHINGTON, DC 20037
Pediatrics (Neonatal-Perinatal Medicine)
900 23RD ST NW, DEPARTMENT OF NEONATOLOGY
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Pediatrics (Neonatal-Perinatal Medicine)
900 23RD ST NW, DEPARTMENT OF NEONATOLOGY
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Hospitalist
900 23RD ST NW
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW, EMERGENCY MEDICINE
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649330713, enumerated as an "individual" on December 11, 2006.

The provider is located at 900 23RD ST NW WASHINGTON, DC 20037 and the phone number is (202) 715-5154.

Radiology with taxonomy code 2085N0904X and a focus in Nuclear Radiology.