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Edit this profileAt a glance
- 1793 13Th St Se, Salem, OR 97302
About Mark Williams
Mark D. Williams, PA-C is a physician assistant practicing in Salem, OR. Medicare claims data shows Mark provided 3,127 services to 1,697 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. This provider record is associated with NPI 1255369765.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (503) 362-8385
- Email not available
Practice Locations
1793 13TH ST SE
Salem, OR 97302
Procedures Most Often Billed to Medicare
3,127 services · 1,697 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,228 | More often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
343 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
225 | More often than most peers in Physician Assistant |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
198 | More often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
74 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
66 | More often than most peers in Physician Assistant |
| Biopsy of ear | Procedure | 69100 |
12 | Less often than most peers in Physician Assistant |
| Punch biopsy, first skin growth | Procedure | 11104 |
11 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
444 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
299 | More than most peers in Physician Assistant |
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 8
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 physician assistants in Salem 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in OR who bill this service to Medicare most often.
Common questions
What does Mark D. Williams specialize in?
Mark D. Williams is a physician assistant in Salem, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mark D. Williams located?
Mark D. Williams is listed at 1793 13Th St Se, Salem, OR 97302. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark D. Williams's phone number?
The number on file is (503) 362-8385. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark D. Williams?
Mark D. Williams's National Provider Identifier is 1255369765. 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 Mark D. Williams train?
Mark D. Williams attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark D. Williams have?
Mark D. Williams has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Mark D. Williams do most often?
According to Medicare billing data, Mark D. Williams performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark D. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark D. Williams. If this is you, claiming it is free.
Guide.md
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