DR. WILLIAM CHARLES TROWBRIDGE M.D.
NPI 1972603041
General Practice in Mason, MI

NPI Status: Active since September 25, 2006

Contact Information

790 E COLUMBIA ST
MASON, MI
ZIP 48854
Phone: (616) 891-1169

NPI Profile Information
Primary Taxonomy
Group Taxonomy
Insurance Plans Accepted
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
General Practice

About WILLIAM TROWBRIDGE

This page provides the complete NPI Profile along with additional information for William Trowbridge, a primary care provider established in Mason, Michigan with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1972603041 assigned on September 2006. The practitioner's primary taxonomy code is 208D00000X with license number 4301030171 (MI). The provider is registered as an individual and his NPI record was last updated 16 years ago. William Trowbridge operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI: 1972603041
Provider Name: DR. WILLIAM CHARLES TROWBRIDGE M.D.
Gender: Male
Entity Type: Individual
Location Address: 790 E COLUMBIA ST MASON, MI 48854
Location Phone: (616) 891-1169
Mailing Address: 9680 RAVINE RIDGE DR SE CALEDONIA, MI 49316
Mailing Phone: (616) 891-1169
Is Sole Proprietor?: Yes
Enumeration Date: 09-25-2006
Last Update Date: 05-04-2010
Code Navigator

A primary care provider (PCP) like William Trowbridge 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: General Practice
Taxonomy Code: 208D00000X
Type: Allopathic & Osteopathic Physicians
License No.: 4301030171
License State: MI
Taxonomy Description: A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

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
B49074	MEDICARE UPIN (02)	MI

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 1972603041, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 7 → 14 → 5 6 → 12 → 3 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 2 + 0 + 6 + 0 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1972603041.