Dr. Dirk Ross Diefendorf, MD

Contact

Location

101 S Ellsworth Ave

San Mateo, CA 94401-3956

Directions Details

Clarity Score

Limited

Based on 6 verified data signals

Trust & Verification5/24

Profile Quality5/28

Patient Feedback0/25

Insurance & Access4/10

Transparency & Engagement0/13

Responsiveness0/7

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Insurance & Payment

UnitedHealthcare

Behavior HealthChoice Plus POSCore POSEP1 63EPO 00GIL 15GIL 75GIS-69NEXUSACO-OA-POSPS1 76Select Plus POS

Insurance coverage confirmed through federal transparency data. This provider may accept additional plans not listed here. Contact the office directly to verify your specific plan.

Not sure if your plan is accepted? Ask Dr. Dirk Ross Diefendorf, MD

Credentials & Background

Education

NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Class of 1983

Career Timeline

Began Practice
Approximately 20 years of experience
~2006
NPI Assigned
NPI 1467559443
State Licenses

OIG Exclusion Check

Clean record - no federal exclusions

Checked against the HHS Office of Inspector General List of Excluded Individuals/Entities

State Licenses (1)

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License Coverage

Licensed in 1 state

Frequently Asked Questions About Dr. Dirk Ross Diefendorf, MD

Yes, Dr. Dirk Ross Diefendorf, MD is currently accepting new patients. You can reach out through this profile page to schedule an appointment or ask a question.

Dr. Dirk Ross Diefendorf, MD is located at 101 S Ellsworth Ave, San Mateo, CA.

Yes, Dr. Dirk Ross Diefendorf, MD accepts Medicare assignment, which means they agree to accept the Medicare-approved amount as full payment for covered services.

Dr. Dirk Ross Diefendorf, MD has a Clarity Score of 14 out of 100. The Clarity Score reflects data completeness, verification status, location information, insurance coverage, and patient engagement, helping you make more informed healthcare decisions.

Dr. Dirk Ross Diefendorf, MD has been practicing for 20+ years, beginning their career around 2006.

Dr. Dirk Ross Diefendorf, MD attended NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL (1983).

Contact

Location

101 S Ellsworth Ave

San Mateo, CA 94401-3956

Directions Details

Clarity Score

Limited

Based on 6 verified data signals

Trust & Verification5/24

Profile Quality5/28

Patient Feedback0/25

Insurance & Access4/10

Transparency & Engagement0/13

Responsiveness0/7

Is this your profile?

Claim your profile to get verified, manage your listing, respond to patient inquiries, and stand out with a trusted badge.

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Insurance & Payment

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Technical Details

Credentials & Background

Education

Career Timeline

Transparency & Compliance

License Coverage

Frequently Asked Questions About Dr. Dirk Ross Diefendorf, MD

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