Physician Profile
Unclaimed ProfileAbout WILLIAMS
Mark Frederic Williams, M.D. is a healthcare provider in Lutherville, MD specialising in otolaryngology. Mark trained at Medical College of Georgia School of Medicine, graduating in 1988. Mark is also listed as specialising in otolaryngology (ent).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Williams specialise in?
Dr. Williams is an otolaryngology in Lutherville, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Where is Dr. Williams located?
Dr. Williams is listed at 1205 YORK RD STE 33, Lutherville, MD 21093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williams's phone number?
The number on file is (410) 494-7060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Williams's NPI number?
Dr. Williams's National Provider Identifier is 1104820828. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Williams go to medical school?
Dr. Williams attended Medical College of Georgia School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Williams been practising?
Dr. Williams has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williams do most often?
According to Medicare billing data, Dr. Williams performs procedures including removal of impacted ear wax, diagnostic exam of nasal passages using an endoscope and diagnostic exam of voice box using a flexible endoscope; provides treatments such as exam of ear using a microscope and comprehensive hearing and speech recognition test, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 494-7060
- Email not available
Practice Locations
1205 YORK RD STE 33
Lutherville, MD 21093
Procedures Most Often Billed to Medicare
2,465 services · 1,814 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
368 |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
193 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
73 |
| Simple removal of skin debris and drainage of mastoid cavity | Procedure | 69220 |
32 |
| Exam of ear using a microscope | Treatment | 92504 |
298 |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
216 |
| Test for eardrum and muscle function | Treatment | 92550 |
214 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
743 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
168 |
| Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing | Billing code | G0268 |
60 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other otolaryngology specialists in Lutherville 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Medical College of Georgia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Medical College of Georgia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.