DR. MARK FREDERIC WILLIAMS M.D.
NPI 1104820828
Otolaryngology in Lutherville, MD

Q: What is Mark Williams's NPI number?

The NPI number for Mark Williams is 1104820828. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is Mark Williams's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Williams was last updated on April 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment

1205 YORK RD, STE 33, LUTHERVILLE, MD 21093(410) 494-7060(410) 832-5202 Get Directions Write a Review

NPPES record last updated: April 8, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Mark Frederic Williams M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK FREDERIC WILLIAMS M.D. (NPI 1104820828) is an individual otolaryngology provider in Lutherville, Maryland, licensed in Maryland (D0043030) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Sentara Rmh Medical Center, and is a graduate of Medical College Of Georgia School Of Medicine (1988).

NPPES Registry Identity

NPI1104820828

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. MARK FREDERIC WILLIAMSCredential: M.D.

Location Address1205 YORK RD, STE 33Lutherville, MD 21093-6211

Mailing Address1205 York Rd, Ste 33Lutherville, MD 21093-6211 · (410) 494-7060 · Fax (410) 832-5202

Phone(410) 494-7060

Fax(410) 832-5202

Sole ProprietorYes

Medical School CMSMedical College Of Georgia School Of MedicineGraduated 1988

Enumeration DateJune 9, 2005

Last NPPES UpdateApril 8, 2014

✔ NPI 1104820828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in MD · D0043030

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

1205 YORK RD, Lutherville, MD 21093

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Other Identifiers 3

Medicaid076331400MD

Medicare UPINF59978

Medicare ID-Type Unspecified417M598F

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Frederic Williams M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355520933

PECOS Enrollment IDI20110128000187

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

743 services407 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

368 services266 patients

Exam of ear using a microscope 92504

An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.

298 services195 patients

Comprehensive hearing and speech recognition test 92557

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.

216 services197 patients

Test for eardrum and muscle function 92550

This test assesses the health of your eardrum and muscles linked to hearing. A small device is placed in your ear that creates pressure changes and sounds. Your ear's responses are recorded to determine if they are functioning properly.

214 services196 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

193 services146 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

168 services168 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

73 services68 patients

Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing G0268

This procedure involves a doctor removing impacted earwax (cerumen) from one or both ears. This is often done on the same day as hearing function tests. The process helps to clear the ear canal, improving hearing and ensuring accurate test results.

60 services58 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

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.

51 services48 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

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.

49 services49 patients

Simple removal of skin debris and drainage of mastoid cavity 69220

This procedure involves clearing out skin debris and draining fluid from the mastoid cavity, an air-filled space in the skull behind the ear. It's done to relieve discomfort, improve hearing, and prevent complications related to ear infections or other conditions.

32 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sentara Rmh Medical Center

Acute Care Hospitals · Harrisonburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490004

Location2010 Health Campus DriveHarrisonburg, VA 22801 · Harrisonburg City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FEIRTAG & RAMOS PA

Internal Medicine

1205 YORK RD, SUITE 36
LUTHERVILLE, MD 21093

Baltimore County (410) 832-7350

DR. LOIS BAUER SULLIVAN MD

Pediatrics

1205 YORK RD, SUITE 18
LUTHERVILLE, MD 21093

Baltimore County (410) 583-6800

DRS. PRICE & WILLIAMS LLC

Otolaryngology

1205 YORK RD, SUITE 33
LUTHERVILLE, MD 21093

Baltimore County (410) 494-6040

ZINDER ANESTHESIA ASSOCIATES LLC

Nurse Anesthetist, Certified Registered

1205 YORK RD, STE 39D
LUTHERVILLE, MD 21093

Baltimore County (410) 825-6652

LIFE FITNESS PHYSICAL THERAPY OF TOWSON, LLC

Physical Therapist

1205 YORK RD, STE 19
LUTHERVILLE, MD 21093

Baltimore County (410) 296-9195

MRS. RANDI MICHELLE POTLER MPT

Physical Therapist

1205 YORK RD, SUITE 19
LUTHERVILLE, MD 21093

Baltimore County (410) 296-9195

WILLIAM E. RANDALL, JR., M.D. P.A.

Internal Medicine (Pulmonary Disease)

1205 YORK RD, SUITE 33
LUTHERVILLE, MD 21093

Baltimore County (410) 823-1313

FOOT AND ANKLE SPECIALISTS OF THE MID-ATLANTIC, LLC

Podiatrist

1205 YORK RD
LUTHERVILLE, MD 21093

Baltimore County (410) 764-7044

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Williams's NPI number?

The NPI number for Mark Williams is 1104820828. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Mark Williams located?

Mark Williams practices at 1205 York Rd Ste 33, Lutherville, MD 21093. The listed phone number is (410) 494-7060.

What is Mark Williams's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Mark Williams enrolled in Medicare?

Yes. Mark Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mark Williams affiliated with any hospitals?

According to CMS data, Mark Williams is affiliated with Sentara Rmh Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Williams was last updated on April 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.