Dr. Mark Walter Layton

M.D. | Rheumatologist | 44+ years Exp



Medicare Enrolled
 1212 Harrison Ave Nw, Olympia
    Washington, 98502-5466

  360-754-6700    360-754-0164   Maps & Directions
Dr. Mark Walter Layton is a Olympia, Washington based rheumatologist with 44 years of experience in Rheumatology. He completed his graduation from University Of Washington School Of Medicine in 1982. He is also affiliated with hospitals like Mason General Hospital & Family Of Clinics and Summit Pacific Medical Center-swing Bed Unit. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Mark Walter Layton for Rheumatology is MD00024518 in Washington.
Dr. Mark Walter Layton treat joint disease similar to orthopedists but do not perform surgeries. He diagnose and treat diseases of joints, muscle, bones and tendons which includes arthritis, back pain, muscle strains, common athletic injuries and 'collagen' diseases.
Complete Profile:
Dr. Mark Walter Layton speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Specialization: Rheumatology
Credentials: M.D.
Experience: 44+ years
Medical School Attended:University Of Washington School Of Medicine
Graduation Year:1982
Gender:Male
Accepts Medicare Assignment:Yes
Practice Address:1212 Harrison Ave Nw, Olympia,
Washington, 98502-5466
Phone:360-754-6700
Fax:360-754-0164
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
PAC ID: 1456244193
Enrollment ID: I20040226000237
NPI Number: 1891846077
NPI Enumeration Date: 15 Jan, 2007
NPI Last Update On: 30 Jun, 2026
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Mark Walter Layton are as mentioned below.
License NumberSpecializationStateStatus
MD00024518Rheumatologist WashingtonPrimary
MD00024518Internal Medicine WashingtonSecondary
MD00024518Legal Medicine WashingtonSecondary
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) State Hospital Type
Mason General Hospital & Family Of Clinics (501336)Shelton, WACritical Access Hospital
Summit Pacific Medical Center-swing Bed Unit (501304)Elma, WACritical Access Hospital
Providence Centralia Hospital (500019)Centralia, WAAcute Care Hospital
Grays Harbor Community Hospital(500031)Aberdeen, WAAcute Care Hospital
Providence St Peter Hospital (500024)Olympia, WAAcute Care Hospital
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Mark Walter Layton such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
12371OtherWashingtonL&I NUMBER
1027689MedicaidWashington
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1212 Harrison Ave Nw,
Olympia, Washington
Zip: 98502-5466
Phone Number: 360-754-6700
Fax Number: 360-357-2202
Patients can reach Dr. Mark Walter Layton at 1212 Harrison Ave Nw, Olympia, Washington or can call to book an appointment on 360-754-6700.
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.