The grades of five Health Care Provider stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Select Medical Holdings (NYSE:SEM) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. Select Medical Holdings is an operator of specialty hospitals and outpatient rehabilitation clinics. In Portfolio Grader’s specific subcategories of Earnings Momentum and Cash Flow, SEM also gets A’s. Shares of SEM have increased 12.1% over the past month, better than the 2.9% increase the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of SEM stock.

Lincare Holdings‘s (NASDAQ:LNCR) gets a higher grade this week, advancing from a B last week to an A. Lincare Holdings provides oxygen and other respiratory therapy services to patients in the home. For more information, get Portfolio Grader’s complete analysis of LNCR stock.

McKesson (NYSE:MCK) boosts its rating from a B to an A this week. McKesson distributes pharmaceuticals, medical-surgical supplies, and health and beauty care products throughout North America. For more information, get Portfolio Grader’s complete analysis of MCK stock.

Molina Healthcare (NYSE:MOH) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Molina Healthcare is a multi-state managed care organization that participates in government-sponsored health care programs such as Medicaid and the Children’s Health Insurance Program. For more information, get Portfolio Grader’s complete analysis of MOH stock.

Henry Schein (NASDAQ:HSIC) is seeing ratings go up from a C last week to a B this week. Henry Schein distributes healthcare products and services, including practice management software, to office-based healthcare practitioners. For more information, get Portfolio Grader’s complete analysis of HSIC stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.