Physician Profile
Unclaimed ProfileAbout DENESSEN
Marlene Denessen, PhD is a clinical psychologist practising in Wellfleet, MA. Marlene is also listed as specialising in psychologist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Denessen?
Dr. Denessen is a clinical psychologist in Wellfleet, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL PSYCHOLOGIST”.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 896-7790
- Email not available
Practice Locations
715 OLD KINGS HIGHWAY
Wellfleet, MA 02667
Procedures Most Often Billed to Medicare
324 services · 32 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
324 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.