DR. CHARLES A JUDGE M.D.
NPI 1821147489
Internal Medicine in Prince Frederick, MD

NPI Status: Active since January 10, 2007

Contact Information

985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD
ZIP 20678
Phone: (410) 535-2005
Fax: (410) 535-4850

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  • Individual
  • Male
  • Internal Medicine

About CHARLES JUDGE

This page provides the complete NPI Profile along with additional information for Charles Judge, an internist established in Prince Frederick, Maryland with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1821147489 assigned on January 2007. The practitioner's primary taxonomy code is 207R00000X with license number D29657 (MD). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1821147489
Provider Name
DR. CHARLES A JUDGE M.D.
Gender
Male
Entity Type
Individual
Location Address
985 PRINCE FREDERICK BLVD STE 201 PRINCE FREDERICK, MD 20678
Location Phone
(410) 535-2005
Location Fax
(410) 535-4850
Mailing Address
985 PRINCE FREDERICK BLVD STE 201 PRINCE FREDERICK, MD 20678
Mailing Phone
(410) 535-2005
Mailing Fax
(410) 535-4850
Is Sole Proprietor?
No
Enumeration Date
01-10-2007
Last Update Date
07-21-2022
Code Navigator

An internist like Charles Judge 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
D29657
License State
MD
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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.

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
2148224OTHER (01)MDAETNA HMO PCP
326941800MEDICAID (05)MD 
C0410004OTHER (01)DCCAREFIRST OF DC
41576201OTHER (01)MDCAREFIRST OF MARYLAND
4461101OTHER (01)MDAETNA NON-HMO PCP
11032508OTHER (01)MDRAILROAD MEDICARE
836800OTHER (01)MDMAMSI HMO PCP

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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 1821147489, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 1 → 2 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 4 + 1 + 4 + 4 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1821147489.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Family Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Counselor (Professional)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine (Endocrinology, Diabetes & Metabolism)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine (Allergy & Immunology)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Physician Assistant
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Internal Medicine
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Nurse Practitioner (Gerontology)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678
Counselor (Professional)
985 PRINCE FREDERICK BLVD STE 201
PRINCE FREDERICK, MD 20678

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821147489, enumerated as an "individual" on January 10, 2007.

The provider is located at 985 PRINCE FREDERICK BLVD STE 201 PRINCE FREDERICK, MD 20678 and the phone number is (410) 535-2005.

Internal Medicine with taxonomy code 207R00000X.

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