DR. JAMES MITCHELL SCHAEFFER DMD
NPI 1891915344
Dentist - General Practice in Rockville, MD

NPI Status: Active since April 26, 2007

Contact Information

801 THOMPSON AVE
ROOM 336
ROCKVILLE, MD
ZIP 20852
Phone: (301) 443-4319
Fax: (301) 594-6610

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  • Individual
  • Male
  • Dentist
  • General Practice

About JAMES SCHAEFFER

This page provides the complete NPI Profile along with additional information for James Schaeffer, a provider established in Rockville, Maryland with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1891915344 assigned on April 2007. The practitioner's primary taxonomy code is 1223G0001X with license number DS025379L (PA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1891915344
Provider Name
DR. JAMES MITCHELL SCHAEFFER DMD
Gender
Male
Entity Type
Individual
Location Address
801 THOMPSON AVE ROOM 336 ROCKVILLE, MD 20852
Location Phone
(301) 443-4319
Location Fax
(301) 594-6610
Mailing Address
801 THOMPSON AVE ROOM 336 ROCKVILLE, MD 20852
Mailing Phone
(301) 443-4319
Mailing Fax
(301) 594-6610
Is Sole Proprietor?
No
Enumeration Date
04-26-2007
Last Update Date
07-08-2007
Code Navigator

A dentist like James Schaeffer is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
DS025379L
License State
PA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1891915344, 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
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 5 → 10 → 1 4 → 8

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 + 8 + 1 + 1 + 0 + 3 + 8 + 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 1891915344.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
801 THOMPSON AVE, SUITE 300
ROCKVILLE, MD 20852
Dentist (General Practice)
801 THOMPSON AVE, SUITE 338
ROCKVILLE, MD 20852

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891915344, enumerated as an "individual" on April 26, 2007.

The provider is located at 801 THOMPSON AVE ROOM 336 ROCKVILLE, MD 20852 and the phone number is (301) 443-4319.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.