SUSAN ZIEMAN M.D.
NPI 1790720431
Internal Medicine - Cardiovascular Disease in Baltimore, MD

NPI Status: Active since June 17, 2006

Contact Information

600 N WOLFE ST
BALTIMORE, MD
ZIP 21287
Phone: (410) 955-3116

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NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Internal Medicine
  • Cardiovascular Disease

About SUSAN ZIEMAN

This page provides the complete NPI Profile along with additional information for Susan Zieman, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1790720431 assigned on June 2006. The practitioner's primary taxonomy code is 207RC0000X with license number D50701 (MD). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1790720431
Provider Name
SUSAN ZIEMAN M.D.
Gender
Female
Entity Type
Individual
Location Address
600 N WOLFE ST BALTIMORE, MD 21287
Location Phone
(410) 955-3116
Mailing Address
PO BOX 64250 BALTIMORE, MD 21264
Is Sole Proprietor?
No
Enumeration Date
06-17-2006
Last Update Date
07-13-2026
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An internist like Susan Zieman 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
D50701
License State
MD
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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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 1790720431, 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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 7 → 14 → 5 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 + 7 + 1 + 8 + 0 + 1 + 4 + 2 + 0 + 4 + 6 + 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 1790720431.

Other Providers at the Same Location


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

Nurse Practitioner
600 N WOLFE ST, WEINBERG BUILDING ROOM 1123
BALTIMORE, MD 21287
Nurse Anesthetist, Certified Registered
600 N WOLFE ST, BLALOCK 1415
BALTIMORE, MD 21287
Radiology (Diagnostic Radiology)
600 N WOLFE ST
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Obstetrics & Gynecology
600 N WOLFE ST
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, WILMER 340
BALTIMORE, MD 21287
Anesthesiology (Critical Care Medicine)
600 N WOLFE ST, HALSTED 842-C
BALTIMORE, MD 21287
Internal Medicine (Infectious Disease)
600 N WOLFE ST, 1830 BLDG RM 450
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Radiology (Vascular & Interventional Radiology)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Nephrology)
600 N WOLFE ST
BALTIMORE, MD 21287
Anesthesiology
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Dietitian, Registered
600 N WOLFE ST, CMSC B100
BALTIMORE, MD 21287
Nurse Practitioner
600 N WOLFE ST
BALTIMORE, MD 21287

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790720431, enumerated as an "individual" on June 17, 2006.

The provider is located at 600 N WOLFE ST BALTIMORE, MD 21287 and the phone number is (410) 955-3116.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.