The grades of 5 Health Care Providers & Services stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, WellCare Health Plans, Inc.’s (WCG) ratings are up from a B last week to a A. WellCare Health Plans, Inc. provides managed care services, including prescription drug plans and health plans, for families, children, the aged, blind and disabled. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of WCG stock.

BioTelemetry, Inc. (BEAT) is seeing ratings go up from a B last week to a A this week. BioTelemetry, Inc. provides ambulatory outpatient management solutions for monitoring clinical information regarding an individual’s health. The company also gets A’s in earnings revisions and return on equity. For more information, get Portfolio Grader’s complete analysis of BEAT stock.

This week, Psychemedics Corporation (PMD) pushes up from a B to a A rating. Psychemedics Corporation provides hair testing for drugs of abuse through patented hair analysis method. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of PMD stock.

National Research Corporation Class A (NRCIA) gets a higher grade this week, advancing from a C last week to a B. The company also gets A’s in earnings growth and return on equity. For more information, get Portfolio Grader’s complete analysis of NRCIA stock.

American Shared Hospital Services’ (AMS) ratings are looking better this week, moving up to a B from last week’s C. American Shared Hospital Services provides turnkey technology solutions for advanced radiosurgical and radiation therapy services to medical centers in the United States. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of AMS 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.