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  2. National Provider Identifier - Wikipedia

    en.wikipedia.org/wiki/National_Provider_Identifier

    A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). The NPI has replaced the Unique Physician Identification Number (UPIN) as the required identifier for Medicare services, and is used by other payers ...

  3. Preferred provider organization - Wikipedia

    en.wikipedia.org/wiki/Preferred_provider...

    In U.S. health insurance, a preferred provider organization (PPO), sometimes referred to as a participating provider organization or preferred provider option, is a managed care organization of medical doctors, hospitals, and other health care providers who have agreed with an insurer or a third-party administrator to provide health care at ...

  4. DEA number - Wikipedia

    en.wikipedia.org/wiki/DEA_number

    A valid DEA number consists of: 2 letters, 6 numbers, and 1 check digit; The first letter is a code identifying the type of registrant (see below) The second letter is the first letter of the registrant's last name, or "9" for registrants using a business address instead of name.

  5. From PPO to HMO, what's the difference between the 5 most ...

    www.aol.com/news/ppo-hmo-whats-difference...

    From PPO to HMO, what's the difference between the 5 most common types of health insurance plans? MB Boucai, Data Work By Dom DiFurio October 23, 2024 at 11:45 AM

  6. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    First, here’s a look at exactly what a reverse phone lookup is and how it works, then you can get started finding numbers on your own. Learn: If Your Credit Score is Under 740, Make These 4 ...

  7. CareFirst BlueCross BlueShield - Wikipedia

    en.wikipedia.org/wiki/CareFirst_BlueCross_BlueShield

    CareFirst BlueCross BlueShield is a health insurance provider serving 3.5 million individuals and groups in Maryland and the Washington metropolitan area.It has dual headquarters in Baltimore, Maryland and Washington, D.C. [2] [3] It is a nonprofit organization and an independent licensee of the Blue Cross Blue Shield Association.

  8. What's a six-digit verification code — and why you should ...

    www.aol.com/whats-six-digit-verification-code...

    BBB has warned in the past about a scam on Facebook Marketplace where scammers posed as buyers and requested a seller’s phone number and six-digit code to “verify the seller is real.”

  9. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    An unpublished number is also excluded from directory assistance services, such as 411. Landline telephone companies often charge a monthly fee for this service. As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory ...