DR. WILBUR H. CHEN M.D.
NPI 1891758975
Internal Medicine - Infectious Disease in Baltimore, MD

NPI Status: Active since April 10, 2006

Contact Information

22 S GREENE ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-5793
Fax: (410) 328-0248

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About WILBUR CHEN

This page provides the complete NPI Profile along with additional information for Wilbur Chen, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1891758975 assigned on April 2006. The practitioner's primary taxonomy code is 207RI0200X with license number D0061628 (MD). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1891758975
Provider Name
DR. WILBUR H. CHEN M.D.
Gender
Male
Entity Type
Individual
Location Address
22 S GREENE ST BALTIMORE, MD 21201
Location Phone
(410) 328-5793
Location Fax
(410) 328-0248
Mailing Address
PO BOX 64442 BALTIMORE, MD 21264
Mailing Phone
(410) 328-5793
Mailing Fax
(410) 328-0248
Is Sole Proprietor?
No
Enumeration Date
04-10-2006
Last Update Date
12-10-2012
Code Navigator

An internist like Wilbur Chen 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
D0061628
License State
MD
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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
I659MEDICARE PIN (08)MD 
I06485MEDICARE UPIN (02)MD 
40477000MEDICAID (05)MD 

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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 1891758975, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 7 → 14 → 5

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 + 5 + 1 + 6 + 9 + 1 + 4 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1891758975.

Other Providers at the Same Location


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

Nurse Practitioner (Pediatrics)
22 S GREENE ST, RM N6W84
BALTIMORE, MD 21201
Internal Medicine (Hematology & Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Specialist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, DEPT. OF RADIOLOGY
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, ROOM N2E23
BALTIMORE, MD 21201
Nurse Practitioner
22 S GREENE ST, NEONATOLOGY DEPARTMENT
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Anesthetist, Certified Registered
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Trauma Surgery)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Hospitalist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Vascular Surgery)
22 S GREENE ST, S10B00
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Pulmonary Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Gastroenterology)
22 S GREENE ST
BALTIMORE, MD 21201
Emergency Medicine (Emergency Medical Services)
22 S GREENE ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891758975, enumerated as an "individual" on April 10, 2006.

The provider is located at 22 S GREENE ST BALTIMORE, MD 21201 and the phone number is (410) 328-5793.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

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