Colette De Marneffe, PH.D.
Clinical Psychologist · Bethesda, MD
Colette De Marneffe, PH.D. is a clinical psychologist with a practice address in Bethesda, Maryland, and NPI 1598973356, issued on May 17, 2007. Check the license (Maryland 03390, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Colette De Marneffe
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 03390 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4828 West LN Ste B, Bethesda, MD 20814
- Phone
- (301) 891-2120
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230825000049); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4828 West LN Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Atwater, PSY.D.Clinical Psychologist1538207568
- Laura Hayes, PH.D.Clinical Psychologist1487871042
- Idith Kahn, PSY.DClinical Psychologist1649935958
- Rachael Lunt, PH.D.Psychologist1760783898
- Lauren RubensteinClinical Psychologist1861802993
Verify Colette De Marneffe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 03390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
179 clinical psychologist records list a practice address in Bethesda
They are 179 of the 7,245 NPPES records with a practice address in Bethesda, and 1,499 clinical psychologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 179 in Bethesda → All 1,499 in Maryland → Every provider in Bethesda →
Other clinical psychologist records in Maryland
- Rachel Aaron, PHDBaltimore, MD1003294232
- Adriana Abadi, PSYDBethesda, MD1396534293
- Rebecca Abell, PSY.D.Kensington, MD1184075822
- Ariella Abraham, PSY.D.Lutherville, MD1629214671
- Munazza Abraham, PHDBaltimore, MD1922831361
- Sherri Abraham, PSYDOwings Mills, MD1427134642
- Alexander Abramowicz, PSYDAnnapolis, MD1558973503
- Karen Abrams, PHDKensington, MD1639517014
- Elise Abromson, PSY.D.Frederick, MD1194906180
- Amy Ackerman, PHDAnnapolis, MD1871257774
Common questions
What is Colette De Marneffe, PH.D.'s NPI number?
Colette De Marneffe, PH.D.'s National Provider Identifier (NPI) is 1598973356, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Colette De Marneffe, PH.D. located?
The NPPES record lists a practice address at 4828 West LN Ste B, Bethesda, MD, 20814. Phone: (301) 891-2120. Providers update this record themselves, so call before visiting.
How can I verify Colette De Marneffe, PH.D.'s license?
NPPES lists Maryland license number 03390, as entered by the provider. Search the Maryland 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.