Physician Profile
Marcia V. Williams-Lyons, D.O.
Unclaimed ProfileAbout Dr. Williams-Lyons
Marcia V. Williams-Lyons, D.O. is a specialist based in Knoxville, TN. Marcia is a 2004 graduate of Rowan University School of Osteopathic Medicine. According to Medicare claims data, Marcia cared for 773 Medicare patients across 1,501 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 637-8635
- Email not available
Practice Locations
939 E EMERALD AVE STE 610
Knoxville, TN 37917
Procedures Most Often Billed to Medicare
1,501 services · 773 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
139 | As often as other peers in Specialist |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
122 | More often than most peers in Specialist |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
26 | Less often than most peers in Specialist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
417 | More often than most peers in Specialist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
224 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
209 | As often as other peers in Specialist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
91 | More often than most peers in Specialist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
74 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
59 | As often as other peers in Specialist |
| Automated urinalysis test | Lab test | 81003 |
57 | As often as other peers in Specialist |
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.
Other specialists at this location 3
Same specialty, same street address — most likely the same department or group.
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 specialists in Knoxville 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Rowan University School of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Rowan University School of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in TN who bill this service to Medicare most often.
Common questions
What does Marcia V. Williams-Lyons specialize in?
Marcia V. Williams-Lyons is a specialist in Knoxville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Marcia V. Williams-Lyons located?
Marcia V. Williams-Lyons is listed at 939 E Emerald Ave Ste 610, Knoxville, TN 37917. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marcia V. Williams-Lyons's phone number?
The number on file is (865) 637-8635. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marcia V. Williams-Lyons's NPI number?
Marcia V. Williams-Lyons's National Provider Identifier is 1043400526. 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 Marcia V. Williams-Lyons train?
Marcia V. Williams-Lyons attended Rowan University School of Osteopathic Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Marcia V. Williams-Lyons been practicing?
Marcia V. Williams-Lyons has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Marcia V. Williams-Lyons do most often?
According to Medicare billing data, Marcia V. Williams-Lyons provides treatments such as dialysis services, 4 or more physician visits per month and hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marcia V. Williams-Lyons confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marcia V. Williams-Lyons. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.