Nicholas Kleen
Nicholas Kleen is a Physician Assistant based in Rancho Santa Margarita, CA with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Nicholas Kleen in person in Rancho Santa Margarita or via virtual visit — no travel required. He has been practicing since 2016 — over 10 years. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and arthritis.
Older · 3634dNPPES updated 2016-06-10 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
34 Calle Maria, Rancho Santa Margarita, CA 92688-5440
How Does This Doctor Compare?
Medicare Patients
31
Unique beneficiaries
Boutique practicePrescription Recipients
73
Patients prescribed
Prescriptions Written
125
Total claims
Total Medicare drug cost: $4k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Joint inflammation causing pain, swelling, and stiffness
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
10 years in practice
Established
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Taxonomy: 363A00000X
Virtual Medical Care With Nicholas Kleen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Nicholas Kleen for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Rancho Santa Margarita required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Nicholas Kleen
Dr. Kleen is listed as active in the NPI registry with telehealth listed in Rancho Santa Margarita, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (949) 750-6110.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Nicholas Kleen
Practice Location
34 Calle Maria, Rancho Santa Margarita, CA 92688-5440
Mailing Address
34 Calle Maria, Rancho Santa Margarita, CA 92688-5440
This is a provider directory. Contact the office directly to schedule appointments.
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