Marlene Denessen, PHD
Psychologist · Wellfleet, MA
Marlene Denessen, PHD is a psychologist with a practice address in Wellfleet, Massachusetts, and NPI 1043362007, issued on Jan 18, 2007. Check the license (Massachusetts MA3294, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marlene Denessen
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- MA3294 MA
Self-reported in NPPES; status is on the state search - Practice location
- 715 Old Kings Highway, Wellfleet, MA 02667
- Phone
- (508) 896-7790
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100416000265); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →
Verify Marlene Denessen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license MA3294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marlene Denessen among 2,367 psychologist records in Massachusetts
Marlene Denessen, PHD is one of 2,367 psychologist records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 54% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1981 · median 1997 among the 487 with a school on file
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Massachusetts
There are 2,367 psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,367 in Massachusetts → Every provider in Wellfleet → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Carl Freeman Gustafson, PSY.D.West Barnstable, MA 026681972682557
- Teresa Cochran, PHDOrleans, MA 026531053527788
- Daniel Jureller, PSY.D.Orleans, MA 026531083263867
- Pumukqien Collins, LMHC,LSWA,NCC-CCMHCMashpee, MA 026491194966101
- Nadine PhillipsMashpee, MA 026491578987657
- Gary SimpsonMashpee, MA 026491649472697
- Donald Turlick, E.E.DMashpee, MA 026491467745380
- Elaine Giniewicz, ED.D.Marstons Mills, MA 026481326063355
Common questions
What is Marlene Denessen, PHD's NPI number?
Marlene Denessen, PHD's National Provider Identifier (NPI) is 1043362007, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marlene Denessen, PHD located?
The NPPES record lists a practice address at 715 Old Kings Highway, Wellfleet, MA, 02667. Phone: (508) 896-7790. Providers update this record themselves, so call before visiting.
How can I verify Marlene Denessen, PHD's license?
NPPES lists Massachusetts license number MA3294, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.