Marian Ann Callanan, CNS
Marian Ann Callanan is a Clinical Nurse Specialist based in Stanford, CA with over 50 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Marian Ann Callanan, CNS has practiced clinical nurse specialist for 50+ years, working in independent practice. With 50+ years of experience, she has been practicing in the Stanford area. Among her Medicare patients, common conditions include anxiety, hypertension, and high cholesterol (per CMS data). CMS MIPS quality score: 76.5/100 (2023).
At a glance
- Federal MIPS score higher than 30% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 1053dNPPES updated 2023-07-05 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
MIPS Score
202376.5/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-7.1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
84
Unique beneficiaries
Standard volumePercentile rankings compared against 9,360 reporting peers in California.
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 Anxiety Disorders, Hypertension, and High Cholesterol.
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+6%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-31%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-39%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-7%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-26%) — less common here
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.
Board certified · Jul 4, 2023
Self-reported via NPPES
50 years in practice
Senior practitioner
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Taxonomy: 364S00000X
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 200034
View hospital on Medicare Care CompareVirtual Clinical Nurse Specialist Care With Marian Ann Callanan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marian Ann Callanan for anxiety counseling, blood pressure monitoring, cholesterol management — no travel to Stanford 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 Marian Ann Callanan
NPI records show Dr. Callanan as active with telehealth listed in Stanford, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 498-5710.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · 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 Marian Ann Callanan
Practice Location
300 Pasteur Dr, Stanford, CA 94305-2200
Mailing Address
300 Pasteur Dr, Stanford, CA 94305-2200
This is a provider directory. Contact the office directly to schedule appointments.
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