RICHARD SAWYER, INC.
NPI 1659663003
Internal Medicine - Gastroenterology in Lawrence, MA

NPI Status: Active since May 04, 2011

Contact Information

50 PROSPECT ST
LAWRENCE, MA
ZIP 01841
Phone: (978) 686-4400
Fax: (978) 686-4401

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  • Organization
  • Internal Medicine
  • Gastroenterology

About RICHARD SAWYER, INC.

This page provides the complete NPI Profile along with additional information for Richard Sawyer, Inc., an internist established in Lawrence, Massachusetts operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1659663003 assigned on May 2011. The practitioner's primary taxonomy code is 207RG0100X with license number 79008 (MA). The provider is registered as an organization and their NPI record was last updated 15 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Richard Sawyer Jr. Md (Owner)

NPI
1659663003
Provider Name
RICHARD SAWYER, INC.
Entity Type
Organization
Location Address
50 PROSPECT ST LAWRENCE, MA 01841
Location Phone
(978) 686-4400
Location Fax
(978) 686-4401
Mailing Address
50 PROSPECT ST LAWRENCE, MA 01841
Mailing Phone
(978) 686-4400
Mailing Fax
(978) 686-4401
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
05-04-2011
Last Update Date
05-04-2011
Code Navigator

An internist like Richard Sawyer, Inc. 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
79008
License State
MA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

RICHARD SAWYER JR. MD

Authorized Official Title
OWNER
Authorized Official Phone
(978) 686-4400

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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 1659663003, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 6 → 12 → 3 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 2 + 6 + 6 + 0 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1659663003.

Other Providers at the Same Location


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

Ophthalmology
50 PROSPECT ST, SUITE 101
LAWRENCE, MA 01841
Nurse Practitioner (Family)
50 PROSPECT ST, SUITE 505
LAWRENCE, MA 01841
Internal Medicine
50 PROSPECT ST, SUITE 401
LAWRENCE, MA 01841
Nurse Anesthetist, Certified Registered
50 PROSPECT ST, SUITE 205
LAWRENCE, MA 01841
Chiropractor
50 PROSPECT ST, SUITE 302
LAWRENCE, MA 01841
Clinical Medical Laboratory
50 PROSPECT ST, SUITE 304
LAWRENCE, MA 01841
Nurse Anesthetist, Certified Registered
50 PROSPECT ST, SUITE 205
LAWRENCE, MA 01841
Physical Therapist (Orthopedic)
50 PROSPECT ST
LAWRENCE, MA 01841
Internal Medicine (Cardiovascular Disease)
50 PROSPECT ST
LAWRENCE, MA 01841
Family Medicine
50 PROSPECT ST, SUITE 505
LAWRENCE, MA 01841
Internal Medicine
50 PROSPECT ST, SUITE301
LAWRENCE, MA 01841
Internal Medicine
50 PROSPECT ST
LAWRENCE, MA 01841
Psychiatry & Neurology (Neurology)
50 PROSPECT ST, 4TH FLOOR
LAWRENCE, MA 01841
Otolaryngology (Facial Plastic Surgery)
50 PROSPECT ST, SUITE 401
LAWRENCE, MA 01841

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659663003, enumerated as an "organization" on May 04, 2011.

The provider is located at 50 PROSPECT ST LAWRENCE, MA 01841 and the phone number is (978) 686-4400.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.