Physician Profile
Unclaimed ProfileAbout LAYTON
Based in Olympia, WA, Mark Walter Layton, M.D. is listed in the NPI registry under rheumatology. Mark graduated from University of Washington School of Medicine in 1982. Mark is also listed as specialising in internal 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. Layton's specialty?
Dr. Layton is a rheumatology in Olympia, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where can I find Dr. Layton?
Dr. Layton is listed at 1212 HARRISON AVE NW, Olympia, WA 98502. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Layton?
The number on file is (360) 754-6700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Layton?
Dr. Layton's National Provider Identifier is 1891846077. 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. Layton's medical education?
Dr. Layton attended University of Washington School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Layton have?
Dr. Layton has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Layton known for?
According to Medicare billing data, Dr. Layton 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. Layton's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Layton. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (360) 754-6700
- Email not available
Practice Locations
1212 HARRISON AVE NW
Olympia, WA 98502
Procedures Most Often Billed to Medicare
801 services · 282 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
19 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
763 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1982 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.