Physician Profile
Unclaimed ProfileAbout WILLIAMS
Based in Clackamas, OR, Alan Robertson Williams, M.D. is listed in the NPI registry under emergency medicine. Medicare claims data shows Alan provided 175 services to 170 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 652-2880
- Email not available
Practice Locations
10180 SE SUNNYSIDE ROAD EMERGENCY DEPARTMENT
Clackamas, OR 97015
Procedures Most Often Billed to Medicare
175 services · 170 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
128 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
29 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
18 |
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 emergency physicians at this location 3
Same specialty, same street address — most likely the same department or group.
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.
More connections — 5 related providers in 1 group
Other emergency physicians in Clackamas 5
Same specialty, same city.
Common questions
What does Dr. Williams specialize in?
Dr. Williams is an emergency physician in Clackamas, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.
NPI registry
Where is Dr. Williams located?
Dr. Williams is listed at 10180 SE SUNNYSIDE ROAD EMERGENCY DEPARTMENT, Clackamas, OR 97015. 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 (503) 652-2880. 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 1174700215. 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
How much experience does Dr. Williams have?
Dr. Williams has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Williams do most often?
According to Medicare billing data, Dr. Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.