MR. WILLIAM S ARNOLD JR. P.A.-C
NPI 1255351359
Physician Assistant in Baltimore, MD

NPI Status: Active since July 20, 2006

Contact Information

3333 N CALVERT ST
SUITE 400
BALTIMORE, MD
ZIP 21218
Phone: (410) 554-2270
Fax: (410) 554-2832

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  • Individual
  • Male
  • Physician Assistant

About WILLIAM ARNOLD

This page provides the complete NPI Profile along with additional information for William Arnold, a primary care provider established in Baltimore, Maryland with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1255351359 assigned on July 2006. The practitioner's primary taxonomy code is 363A00000X with license number C0002873 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1255351359
Provider Name
MR. WILLIAM S ARNOLD JR. P.A.-C
Gender
Male
Entity Type
Individual
Location Address
3333 N CALVERT ST SUITE 400 BALTIMORE, MD 21218
Location Phone
(410) 554-2270
Location Fax
(410) 554-2832
Mailing Address
3333 N CALVERT ST SUITE 400 BALTIMORE, MD 21218
Mailing Phone
(410) 554-2270
Mailing Fax
(410) 554-2832
Is Sole Proprietor?
No
Enumeration Date
07-20-2006
Last Update Date
07-08-2007
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A primary care provider (PCP) like William Arnold sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
C0002873
License State
MD
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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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 1255351359, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 5 → 10 → 1 3 → 6 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 6 + 5 + 2 + 3 + 1 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1255351359.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
3333 N CALVERT ST, STE 500
BALTIMORE, MD 21218
Internal Medicine (Cardiovascular Disease)
3333 N CALVERT ST, STE 500
BALTIMORE, MD 21218
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3333 N CALVERT ST, STE LL08
BALTIMORE, MD 21218
Internal Medicine (Cardiovascular Disease)
3333 N CALVERT ST, STE 500
BALTIMORE, MD 21218
Internal Medicine (Clinical Cardiac Electrophysiology)
3333 N CALVERT ST, SUITE 500
BALTIMORE, MD 21218
Specialist/Technologist (Athletic Trainer)
3333 N CALVERT ST, SUITE 350
BALTIMORE, MD 21218
Physician Assistant (Surgical)
3333 N CALVERT ST, SUITE 400
BALTIMORE, MD 21218
Surgery (Vascular Surgery)
3333 N CALVERT ST, SUITE # 570
BALTIMORE, MD 21218
Urology
3333 N CALVERT ST, STE 605 JOHNSTON PROFESSIONAL BLDG
BALTIMORE, MD 21218
Orthopaedic Surgery
3333 N CALVERT ST, 2ND FL
BALTIMORE, MD 21218
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3333 N CALVERT ST, JOHNSTON PROF BLDG, STE 610
BALTIMORE, MD 21218
Orthopaedic Surgery
3333 N CALVERT ST, JOHNSTON PROF BLDG, STE 400
BALTIMORE, MD 21218
Obstetrics & Gynecology (Gynecology)
3333 N CALVERT ST, JOHNSTON PROF BLDG, STE 210
BALTIMORE, MD 21218
Plastic Surgery
3333 N CALVERT ST, 2ND FL
BALTIMORE, MD 21218
Psychologist (Cognitive & Behavioral)
3333 N CALVERT ST, SUITE 670
BALTIMORE, MD 21218
Psychiatry & Neurology (Psychiatry)
3333 N CALVERT ST, STE 670
BALTIMORE, MD 21218
Psychiatry & Neurology (Psychiatry)
3333 N CALVERT ST, SUITE 670
BALTIMORE, MD 21218
Surgery
3333 N CALVERT ST, SUITE 655
BALTIMORE, MD 21218
Podiatrist
3333 N CALVERT ST, SUITE 550
BALTIMORE, MD 21218

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255351359, enumerated as an "individual" on July 20, 2006.

The provider is located at 3333 N CALVERT ST SUITE 400 BALTIMORE, MD 21218 and the phone number is (410) 554-2270.

Physician Assistant with taxonomy code 363A00000X.