Professional License Defense in California: A Survival Guide for Physicians and Nurses
If you are a physician or nurse facing a licensing issue in California, this is far more than a routine...
Nathan Mubasher
Law Offices of Nathan Mubasher
Representation in California professional licensing investigations and disciplinary proceedings, physician and healthcare matters, peer review and credentialing disputes, regulatory proceedings, and complex litigation where appropriate.
California Professional License Defense & Healthcare Attorney
About Nathan Mubasher
Nathan Mubasher is a California-licensed attorney. His practice focuses on professional license defense, physician and healthcare matters, and selected civil and administrative litigation.
He holds a J.D. from the American College of Law and an LL.M. in International Financial Transactions from the Thomas Jefferson School of Law, with a focus on anti-money laundering and compliance. He earned his undergraduate degree from the University of California, Riverside, and completed the CORE credential from Harvard Business School.
He is admitted in California state courts and in the Northern, Central, Eastern, and Southern Districts of California. He has conducted over 1,000 mediations, is ADR-certified by the United Nations Institute for Training and Research (UNITAR), serves as an arbitrator recognized by the American Health Lawyers Association, and has trained as a peer review hearing officer with the California Society for Healthcare Attorneys.
Founder and Principal Attorney
Our Legal Focus
Professional License Defense
Counsel for California professionals in board investigations, accusations, hearings, application denials, discipline, and reinstatement.
Physician & Healthcare Matters
Medical staff and peer review, credentialing, employment contracts, group disputes, and healthcare regulatory guidance.
Complex Litigation & Regulatory Matters
Civil litigation, negotiations, administrative disputes, and related complex engagements.
AVVO LEGAL ANSWERS
Attorney Mubasher’s public responses to legal questions, demonstrating clarity and candor.
CONFIDENTIAL CONSULTATION
Feel free to arrange for a confidential consultation by calling Mr. Mubasher at
1-800-691-2721
Professional License Defense
Counsel for California professionals facing licensing investigations and disciplinary proceedings.
- Board investigations and early response
- Accusations and Notices of Defense
- Administrative hearings
- Application denials and appeals
- Discipline, reconsideration, and Superior Court writ review
- License reinstatement matters
Physician & Healthcare Matters
Representation and counseling for physicians and healthcare professionals in practice, employment, and regulatory settings.
- Physician employment and contract matters
- Peer review and medical staff proceedings
- Credentialing and privileges issues
- Medical group governance and disputes
- Healthcare compliance guidance, including privacy and fraud-and-abuse frameworks
AMA Principles for Physician Employment (H-225.950): Physicians and employers are urged to get advice from lawyers experienced in healthcare and physician employment contracts when negotiating employment or peer review matters.
Complex Litigation & Regulatory Matters
Selected civil, administrative, and negotiation matters for clients who need careful strategy beyond licensing and healthcare counseling alone.
- Business and commercial disputes
- Arbitration and mediation
- Employment and wrongful termination matters
- Privacy and data matters
- Ethics and legal malpractice matters
- White-collar defense where appropriate
- Selected real estate, landlord-tenant, and collection disputes
Our Blog
Recent Articles
Selfware: When Software Becomes the Actor
Why businesses and lawyers need a new liability framework. Over the past decade, the law has grown comfortable regulating software....
California’s legal system is sleepwalking into an AI crisis
Guest column originally published in the Daily Journal (Perspective), Dec. 15, 2025. From fake case citations in court briefs to...
Schedule a Private Case Review with Attorney Nathan Mubasher
If you’re facing a legal issue and want it evaluated directly by Attorney Nathan Mubasher, please call or use the contact form further down the page. Each matter is reviewed personally and confidentially.
Â
What You Can Expect:
• Your inquiry will be reviewed directly by Attorney Nathan Mubasher.
• All information submitted will be treated as confidential.
If your matter is a potential fit, you’ll be contacted with the next steps.
• Your inquiry will be reviewed directly by Attorney Nathan Mubasher.
• All information submitted will be treated as confidential.
If your matter is a potential fit, you’ll be contacted with the next steps.
Call: 1-800-691-2721
Note: Submitting this form does not create an attorney-client relationship. Please do not include sensitive deadlines or time-critical documents until you receive confirmation that your case has been accepted for review.
Avvo
Nathan Mubasher holds a 10.0 Avvo rating and has received 180 client reviews on Avvo, including recognition as a 2025 Clients’ Choice recipient. His Avvo reviews span healthcare, administrative, litigation, and other matters.
Looking for help?
Contact Us Now!
8583 Irvine Center Drive, Suite 35, Irvine, CA 92618
*The information on this website is for general informational purposes only and does not constitute legal advice. Viewing this site or contacting our office does not establish an attorney-client relationship. Attorney advertisement.
Providing legal services throughout California, with a focus on Orange County, Los Angeles County, Riverside County, and San Bernardino County.
Confidential Consultation
Arrange your confidential consultation by calling Mr. Mubasher at 1-800-691-2721
OUR ADDRESS
8583 Irvine Center Drive,
Suite 35
Irvine, CA 92618
Phone: 1-800-691-2721
Fax: 310-356-3660
