Physician Profile
Unclaimed ProfileAbout MAAS
Ryan Caleb Maas practises student in an organized health care education program in Centralia, WA. Ryan is also listed as specialising in physician assistant.
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
Common questions
What kind of doctor is Dr. Maas?
Dr. Maas is a medical trainee in Centralia, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Student in an Organized Health Care Education Program”.
NPI registry
What is Dr. Maas's address?
Dr. Maas is listed at 914 S. SCHEUBER ROAD, Centralia, WA 98531. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Maas?
The number on file is (510) 927-6170. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Maas's NPI number?
Dr. Maas's National Provider Identifier is 1326739772. 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 long has Dr. Maas been practising?
Dr. Maas has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Maas perform?
According to Medicare billing data, Dr. Maas 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
Has Dr. Maas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maas. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (510) 927-6170
- Email not available
Practice Locations
914 S. SCHEUBER ROAD
Centralia, WA 98531
Procedures Most Often Billed to Medicare
43 services · 42 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
25 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical trainees at this location 1
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 medical trainees in Centralia 4
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.