Mary Philomena Kastner, PMHNP
Psychiatric/Mental Health Nurse Practitioner
Mary Philomena Kastner is a Psychiatric/Mental Health Nurse Practitioner based in Walnut Creek, CA with over 44 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Mary Philomena Kastner, PMHNP practices as part of a group psychiatric/mental health nurse practitioner practice in Walnut Creek, CA. With 44+ years of experience, she has been practicing in the Walnut Creek area. Among her Medicare patients, common conditions include anxiety, mood disorders, and depression (per CMS data).
At a glance
- Uses generic medications more than 83% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1285dNPPES updated 2022-11-15 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2960 Camino Diablo Ste 105, Walnut Creek, CA 94597-3945
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better93.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+10.4 pts)
Better than 83% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
55
Unique beneficiaries
Standard volumePrescription Recipients
76
Patients prescribed
Prescriptions Written
797
Total claims
Total Medicare drug cost: $96k
Percentile 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, Mood Disorders, and Depression.
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+41%) — a focus area for this doctor
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%↑ More patients than average (+24%) — 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 (-19%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-21%) — less common here
A condition with extreme mood swings between emotional highs and lows
Problematic patterns of drug or alcohol use leading to health issues
Post-Traumatic Stress Disorder — lasting anxiety after experiencing a traumatic event
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 · Nov 14, 2022
Self-reported via NPPES
44 years in practice
Senior practitioner
Definition to come...
Taxonomy: 363LP0808X
Virtual Psychiatric/Mental Health Care With Mary Philomena Kastner
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mary Philomena Kastner for anxiety counseling, mood disorder follow-ups, depression management — no travel to Walnut Creek 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 Mary Philomena Kastner
Dr. Kastner is listed as active in the NPI registry with telehealth listed in Walnut Creek, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (800) 892-2695.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Mary Philomena Kastner
Practice Location
2960 Camino Diablo Ste 105, Walnut Creek, CA 94597-3945
Mailing Address
2960 Camino Diablo Ste 105, Walnut Creek, CA 94597-3945
This is a provider directory. Contact the office directly to schedule appointments.
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