Maureen E Callnan, PMHNP
Psychiatric/Mental Health Nurse Practitioner
Maureen E Callnan is a Psychiatric/Mental Health Nurse Practitioner based in Portland, ME with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Maureen E Callnan, PMHNP runs an independent psychiatric/mental health nurse practitioner practice in Portland, ME. She has been practicing since 2007 — over 25 years. She regularly sees Medicare patients with anxiety, mood disorders, and high cholesterol (per CMS claims data).
At a glance
- Uses generic medications more than 84% of reporting doctors in Maine
- Virtual visits available — no app or travel required
Older · 96dNPPES updated 2026-02-17 · verify NPI on CMS · Verify license at Maine Board of Licensure in Medicine
Contact & Location
Practice Location
449 Forest Ave Ste 211, Portland, ME 04101-2008
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better93.3%
Maine avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+10.5 pts)
Better than 84% of reporting doctors in MaineHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
22
Unique beneficiaries
Boutique practicePrescription Recipients
53
Patients prescribed
Prescriptions Written
596
Total claims
Total Medicare drug cost: $39k
Percentile rankings compared against 387 reporting peers in Maine.
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 High Cholesterol.
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
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-11%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+10%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+23%) — a focus area for this doctor
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 · Feb 16, 2026
Self-reported via NPPES
25 years in practice
Experienced
Definition to come...
Taxonomy: 363LP0808X
Mailing address
25 Belmeade Rd, Portland, ME 04101-1815
Differs from practice location
Virtual Psychiatric/Mental Health Care With Maureen E Callnan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Maureen E Callnan for anxiety counseling, mood disorder follow-ups, cholesterol management — no travel to Portland 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 Maureen E Callnan
Dr. Callnan is listed as active in the NPI registry with telehealth listed in Portland, ME. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (207) 773-1966.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.
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Contact Maureen E Callnan
Practice Location
449 Forest Ave Ste 211, Portland, ME 04101-2008
Mailing Address
25 Belmeade Rd, Portland, ME 04101-1815
This is a provider directory. Contact the office directly to schedule appointments.
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