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Edit this profileAt a glance
- 715 Old Kings Highway, Wellfleet, MA 02667
About Dr. Denessen
Marlene Denessen, PhD is a psychologist practicing in Wellfleet, MA. Medicare claims data shows Marlene provided 324 services to 32 patients. The services billed most often include psychotherapy, 45 minutes. This provider record is associated with NPI 1043362007.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (508) 896-7790
- Email not available
Practice Locations
715 OLD KINGS HIGHWAY
Wellfleet, MA 02667
Concerns and Conditions Addressed
Within Psychology (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Abuse and relationships
- Gaslighting and manipulation
Addiction
- Alcohol use disorder
- Drug addiction
- Gambling Addiction
- Screen Addiction
- Shopping Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
- Anger issues
- Dissociative disorders
- Hoarding
- Self-harm
- Skin picking and hair pulling
Child & Adolescent
- Child behavioral problems
Child and teen issues
- School refusal
- Teen depression
Eating & Body Image
Health Psychology
- Chronic Pain Coping
Identity and life stages
Interpersonal & Abuse
- Divorce adjustment
- Emotional abuse recovery
- Sex Problems
Life and social issues
- Caregiver stress for aging parents
- Loneliness and Social Isolation
Mindset and personality
- Perfectionism
Mood and emotions
- Overthinking and Rumination
- Seasonal affective disorder
Mood Disorders
- Bipolar disorder
- Postpartum Mood Issues
Neurodevelopmental
- Autism
- Reading and Spelling Difficulties
Personality Disorders
Relationships
- People Pleasing and Codependency
Self-Esteem & Identity
Sleep
Sleep issues
- Chronic Nightmares
Stress & Lifestyle
Thought disorders
- Schizoaffective disorder
Trauma and abuse
Work and career
Procedures & services
Most searched procedures
Addiction support
Alternative formats
Behavioral Programs
- Anger management
- Executive Function Coaching
- Group psychotherapy
- Habit reversal training
Behavioral therapies
Brain-based therapies
- Neurofeedback
Care delivery
Child & Adolescent
Evaluations & Assessments
- Autism Assessment
- Bariatric Surgery Evaluation
- Cognitive and memory testing
- Emotional Support Animal Evaluation
- Spinal Cord Stimulator Psychological Clearance
Evaluations and testing
- Adoption Psychological Evaluation
- Gender-affirming surgery evaluation
- Immigration Psychological Evaluation
- Neuropsychological Testing
Expressive therapies
- Music therapy
Family and parenting
Mind-body therapies
- Guided Imagery and Visualization
Relationship Counseling
- Premarital counseling
- Sex therapy
Skills training
- Coping Skills Training
- Social skills training
Specialized therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
Therapy Modalities
- Acceptance and commitment therapy
- Art therapy
- Brainspotting
- Dialectical Behavior Therapy
- Exposure and Response Prevention
- Internal family systems
- Psychodynamic psychotherapy
- Solution-focused brief therapy
- Somatic experiencing
Procedures Most Often Billed to Medicare
324 services · 32 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
324 | More often than most peers in Psychologist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Denessen?
Dr. Denessen is a psychologist in Wellfleet, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Denessen's address?
Dr. Denessen is listed at 715 Old Kings Highway, Wellfleet, MA 02667. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Denessen?
The number on file is (508) 896-7790. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Denessen?
Dr. Denessen's National Provider Identifier is 1043362007. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Denessen train?
Dr. Denessen attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Denessen have?
Dr. Denessen has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Denessen perform?
According to Medicare billing data, Dr. Denessen provides treatments such as psychotherapy, 45 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Denessen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Denessen. If this is you, claiming it is free.
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