Cathy Lynn Riker
MD | Rheumatologist | 39+ years Exp
Medicare Enrolled
1300 Crane St, Menlo Park
California, 94025-4260
650-498-6500 Maps & DirectionsCathy Lynn Riker is a Menlo Park, California based rheumatologist with 39 years of experience in Rheumatology. She completed her graduation from Icahn School Of Medicine At Mount Sinai in 1986. She is also affiliated with hospitals like Stanford Health Care. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Cathy Lynn Riker for Rheumatology is G74920 in California.
Cathy Lynn Riker treat joint disease similar to orthopedists but do not perform surgeries. She 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:
Cathy Lynn Riker 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: | MD |
| Experience: | 39+ years |
| Medical School Attended: | Icahn School Of Medicine At Mount Sinai |
| Graduation Year: | 1986 |
| Gender: | Female |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 1300 Crane St, Menlo Park,
California, 94025-4260 |
| Phone: | 650-498-6500 |
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: | 1850456534 |
| Enrollment ID: | I20090212000260 |
| NPI Number: | 1255448189 |
| NPI Enumeration Date: | 24 Aug, 2006 |
| NPI Last Update On: | 16 Apr, 2024 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Cathy Lynn Riker are as mentioned below.
| License Number | Specialization | State | Status | |
| G74920 | Rheumatologist | California | Primary | |
| G74920 | Internal Medicine | California | Secondary | |
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 |
| Stanford Health Care (050441) | Stanford, CA | Acute Care Hospital |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Cathy Lynn Riker is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| University Healthcare Alliance (6305748799) | 328 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Cathy Lynn Riker such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| MMM00087M | Other | | NHIC |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 1300 Crane St,
Menlo Park, California |
| Zip: | 94025-4260 |
| Phone Number: | 650-498-6500 |
Patients can reach Cathy Lynn Riker at
1300 Crane St, Menlo Park, California or can
call to book an appointment on 650-498-6500.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.