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In the U.S., psychologists earn a median $94,310 per year, with pay changing by role, setting, state, and experience.

Physician assistants earn a median $133,260 a year in the United States, with typical pay ranging from about $95,000 to $182,000.

Across U.S. surgery specialties, daily pay ranges from about $1,500 to $3,100 based on annual reports and a 240-workday year.

Most U.S. sperm banks pay $70–$150 per donation, and steady donors often gross $300–$1,000 a month.

Surgical technician pay in the United States centers near $62,830 a year, with wide swings by experience, setting, and state.

Physical therapist assistant pay centers near $65,500 a year nationwide, with wide swings by state, setting, and experience.

Most whole-blood donations pay $0; specialized collections or plasma can pay $30–$300+, depending on program and location.

Podiatrists earn a median $152,800 per year in the U.S.; most see $57,500–$239,200+ based on role, setting, and location, per BLS data.

Optometrist pay in the United States centers near $135,000 a year, with wide swings by setting, state, and experience.