Final answer:
The most common format of letter styles used in the medical office is Modified block. In Modified block format, the date and the closing of the letter are aligned in the center, while the sender's address, salutation, subject line, and body paragraphs are aligned to the left. The paragraphs are separated by a single space and indented.
Step-by-step explanation:
The most common format of letter styles used in the medical office is Modified block. In Modified block format, the date and the closing of the letter are aligned in the center, while the sender's address, salutation, subject line, and body paragraphs are aligned to the left. The paragraphs are separated by a single space and indented. However, Modified block with indented paragraphs indents all paragraphs other than the first one.