DR. MARK ANTHONY WILLIAMS MD, PHD
NPI 1972722288
Otolaryngology in Nashville, TN

Medicare Participation & PECOS Enrollment Status

Mark Williams is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Williams is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

• Is the provider registered in PECOS? Yes

• PECOS PAC ID: 8820183247

  What is the PECOS Associate Control ID?
  A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

• PECOS Enrollment ID: I20071001000357, I20240730003284

  What is the Provider Enrollment ID?
  The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

• Accepts Medicare Assignment? Yes

  What does it mean "accepts medicare assignment"?
  When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
  A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

• Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

• Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

• Eligible to Order or Refer a Home Health Agency (HHA): Yes

• Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

• DME-Other DME (DE001N)

  Tubing with integrated heating element for use with positive airway pressure device (HCPCS:A4604)

  4 DME suppliers used 14 Medicare Claims 14 Services Paid

• DME-Other DME (DE001N)

  Full face mask used with positive airway pressure device, each (HCPCS:A7030)

  3 DME suppliers used 19 Medicare Claims 19 Services Paid

• DME-Other DME (DE001N)

  Face mask interface, replacement for full face mask, each (HCPCS:A7031)

  3 DME suppliers used 17 Medicare Claims 51 Services Paid

• DME-Other DME (DE001N)

  Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap (HCPCS:A7034)

  5 DME suppliers used 13 Medicare Claims 13 Services Paid

• DME-Other DME (DE001N)

  Headgear used with positive airway pressure device (HCPCS:A7035)

  5 DME suppliers used 18 Medicare Claims 18 Services Paid

• DME-Other DME (DE001N)

  Tubing used with positive airway pressure device (HCPCS:A7037)

  3 DME suppliers used 17 Medicare Claims 17 Services Paid

• DME-Other DME (DE001N)

  Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

  5 DME suppliers used 36 Medicare Claims 195 Services Paid

• DME-Other DME (DE001N)

  Filter, non disposable, used with positive airway pressure device (HCPCS:A7039)

  4 DME suppliers used 13 Medicare Claims 13 Services Paid

• DME-Other DME (DE001N)

  Water chamber for humidifier, used with positive airway pressure device, replacement, each (HCPCS:A7046)

  4 DME suppliers used 13 Medicare Claims 13 Services Paid

• DME-Other DME (DE001N)

  Continuous positive airway pressure (cpap) device (HCPCS:E0601)

  4 DME suppliers used 16 Medicare Claims 16 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Comprehensive hearing and speech recognition test

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

This service was performed 62 times for 61 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 48 times for 30 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 17 times for 17 patients

Sleep study in sleep lab (6 years or older)

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

This service was performed 14 times for 13 patients

Test for hearing various pitches using earphone and device placed against the bone

This is a hearing test that checks your ability to hear different pitches or frequencies. It involves wearing earphones and placing a device against your bone, usually behind the ear. It helps identify any hearing issues you might have.

This service was performed 14 times for 14 patients

Test to assess middle ear function

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

This service was performed 73 times for 71 patients

Upper gastrointestinal (GI) endoscopy for acid reflux

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

This service was performed for 1-10 patients

Physician Visit Costs

The typical physician office visit costs for Medicare beneficiaries in this area are: $30.45 for a new patient copayment and $16.5 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 37211 ZIP code area.

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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