Physician Profile
Unclaimed ProfileAbout WILLIAMS
Mark Warnholz Williams, MD is a healthcare provider in Redmond, OR specialising in family practice. Mark trained at University of Nevada School of Medicine, graduating in 2012. Mark is also listed as specialising in family medicine.
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 is Dr. Williams's specialty?
Dr. Williams is a family practice in Redmond, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 211 NW LARCH AVE, Redmond, OR 97756. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Williams?
The number on file is (541) 548-2164. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1942564281. 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
What is Dr. Williams's medical education?
Dr. Williams attended University of Nevada School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williams have?
Dr. Williams has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Williams known for?
According to Medicare billing data, Dr. Williams performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
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
- (541) 548-2164
- Email not available
Practice Locations
211 NW LARCH AVE
Redmond, OR 97756
Procedures Most Often Billed to Medicare
2,059 services · 1,231 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
23 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
86 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
62 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
62 |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
26 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
13 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
119 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
727 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
595 |
| Administration of influenza virus vaccine | Billing code | G0008 |
92 |
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 family practices at this location 5
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 family practices in Redmond 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Nevada School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Nevada School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in OR 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.