WILLIAM GEORGE NELSON M.D.
NPI 1891748604
Internal Medicine - Medical Oncology in Baltimore, MD

NPI Status: Active since May 19, 2006

Contact Information

600 N WOLFE ST
BALTIMORE, MD
ZIP 21287
Phone: (410) 955-8964

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  • Individual
  • Male
  • Internal Medicine
  • Medical Oncology

About WILLIAM NELSON

This page provides the complete NPI Profile along with additional information for William Nelson, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1891748604 assigned on May 2006. The practitioner's primary taxonomy code is 207RX0202X with license number D39683 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1891748604
Provider Name
WILLIAM GEORGE NELSON M.D.
Gender
Male
Entity Type
Individual
Location Address
600 N WOLFE ST BALTIMORE, MD 21287
Location Phone
(410) 955-8964
Mailing Address
PO BOX 64474 BALTIMORE, MD 21264
Mailing Phone
(410) 933-7400
Is Sole Proprietor?
Yes
Enumeration Date
05-19-2006
Last Update Date
07-08-2007
Code Navigator

An internist like William Nelson 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 Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
D39683
License State
MD
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

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
E39430MEDICARE UPIN (02)MD 
MR89MEDICARE ID-TYPE UNSPECIFIED (04)MDINDIVIDUAL
KR52JHMEDICARE ID-TYPE UNSPECIFIED (04)MDGROUP

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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 1891748604, 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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
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 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 4 + 1 + 6 + 6 + 0 + 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 1891748604.

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
Pharmacist (Pharmacotherapy)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Neurology)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
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 (Cardiovascular Disease)
600 N WOLFE ST
BALTIMORE, MD 21287
Ophthalmology
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Cardiovascular Disease)
600 N WOLFE ST
BALTIMORE, MD 21287
Pediatrics (Pediatric Gastroenterology)
600 N WOLFE ST
BALTIMORE, MD 21287
Surgery
600 N WOLFE ST
BALTIMORE, MD 21287
Anesthesiology
600 N WOLFE ST
BALTIMORE, MD 21287

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891748604, enumerated as an "individual" on May 19, 2006.

The provider is located at 600 N WOLFE ST BALTIMORE, MD 21287 and the phone number is (410) 955-8964.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.

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