William Daryll Parkkonen, NP
Psychiatric/Mental Health Nurse Practitioner
William Daryll Parkkonen is a Psychiatric/Mental Health Nurse Practitioner based in Marquette, MI with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
William Daryll Parkkonen, NP has been part of the Marquette medical community since 2006 in group practice. With 21+ years of experience, he has been practicing in the Marquette area. Among his Medicare patients, common conditions include anxiety, mood disorders, and depression (per CMS data).
At a glance
- Uses generic medications more than 92% of reporting doctors in Michigan
- Virtual visits available — no app or travel required
Older · 6662dNPPES updated 2008-02-25 · verify NPI on CMS · Verify license at Michigan Board of Medicine
Contact & Location
Practice Location
580 W College Ave, Marquette, MI 49855-2705
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better96.6%
Michigan avg: 83.5 · US avg: 82.8
✓ Higher than most doctors nationally(+13.8 pts)
Top 8% of reporting doctors in MichiganHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
69
Unique beneficiaries
Standard volumePrescription Recipients
140
Patients prescribed
Prescriptions Written
1,535
Total claims
Total Medicare drug cost: $89k
Percentile rankings compared against 1,194 reporting peers in Michigan.
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 (+39%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-16%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-18%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-3%) — less common here
A condition with extreme mood swings between emotional highs and lows
A serious mental disorder affecting thinking, emotions, and behavior
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.
21 years in practice
Experienced
Definition to come...
Taxonomy: 363LP0808X
Mailing address
Po Box 220, Marquette, MI 49855-0220
Differs from practice location
Virtual Psychiatric/Mental Health Care With William Daryll Parkkonen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William Daryll Parkkonen for anxiety counseling, mood disorder follow-ups, depression management — no travel to Marquette 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 William Daryll Parkkonen
NPI records show Dr. Parkkonen as active with telehealth listed in Marquette, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (906) 225-4690.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact William Daryll Parkkonen
Practice Location
580 W College Ave, Marquette, MI 49855-2705
Mailing Address
Po Box 220, Marquette, MI 49855-0220
This is a provider directory. Contact the office directly to schedule appointments.
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