RONALD SHUMACHER M.D.
NPI 1447593736
Internal Medicine in Rockville, MD

NPI Status: Active since April 04, 2013

Contact Information

800 KING FARM BLVD
SUITE 600
ROCKVILLE, MD
ZIP 20850
Phone: (240) 683-5331

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  • Individual
  • Male
  • Internal Medicine

About RONALD SHUMACHER

This page provides the complete NPI Profile along with additional information for Ronald Shumacher, an internist established in Rockville, Maryland with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1447593736 assigned on April 2013. The practitioner's primary taxonomy code is 207R00000X with license number D41931 (MD). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1447593736
Provider Name
RONALD SHUMACHER M.D.
Gender
Male
Entity Type
Individual
Location Address
800 KING FARM BLVD SUITE 600 ROCKVILLE, MD 20850
Location Phone
(240) 683-5331
Mailing Address
112 FOX TRAIL TER GAITHERSBURG, MD 20878
Mailing Phone
(301) 424-3595
Is Sole Proprietor?
No
Enumeration Date
04-04-2013
Last Update Date
04-04-2013
Code Navigator

An internist like Ronald Shumacher 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.
D41931
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

MD13770 (RI)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

DR-51153 (CO)
3207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

01070468A (IN)
4207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

04-35627 (KS)
5207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

4301099867 (MI)
6207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

25MA09167300 (NJ)
7207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

2011-01968 (NC)
8207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

MD444913 (PA)

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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 1447593736, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 4 → 8 5 → 10 → 1 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 1 + 0 + 9 + 6 + 7 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1447593736.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Internal Medicine (Nephrology)
800 KING FARM BLVD, SUITE 300
ROCKVILLE, MD 20850
Pharmacist
800 KING FARM BLVD
ROCKVILLE, MD 20850
Ophthalmology
800 KING FARM BLVD, SUITE 135
ROCKVILLE, MD 20850
Optometrist (Corneal and Contact Management)
800 KING FARM BLVD, SUITE 135
ROCKVILLE, MD 20850
Nurse Practitioner (Adult Health)
800 KING FARM BLVD, 6TH FLOOR
ROCKVILLE, MD 20850
Nurse Practitioner (Family)
800 KING FARM BLVD, SUITE 600
ROCKVILLE, MD 20850
Nurse Practitioner (Psychiatric/Mental Health)
800 KING FARM BLVD
ROCKVILLE, MD 20850

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447593736, enumerated as an "individual" on April 04, 2013.

The provider is located at 800 KING FARM BLVD SUITE 600 ROCKVILLE, MD 20850 and the phone number is (240) 683-5331.

Internal Medicine with taxonomy code 207R00000X.