Mallory Justine Christman, PSY.D.
Psychologist · Wilmington, DE
Mallory Justine Christman, PSY.D. is a psychologist with a practice address in Wilmington, Delaware, and NPI 1639907983, issued on Jul 25, 2024. Check the license with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory Justine Christman
- Credential
- PSY.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PS020165 PA
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St FL 6, Wilmington, DE 19801
- Phone
- (302) 320-1300
- Enumerated
- Jul 25, 2024
- Record last updated
- Oct 3, 2024
- Fax
- (302) 320-1373
- Medicare enrollment
- Enrolled (PECOS I20241016004108); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 151 in Delaware → Look up another NPI →
Also registered at 501 W 14TH St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nia Billings, PHD, LPClinical Psychologist1003291105
- Robert Jakubowski, M.D.Infectious Disease Physician1043624463
- Charles Mikulka, PA-CPhysician Assistant1801676333
- Reny Varghese, FNPFamily Nurse Practitioner1023655842
- Michelle WilliamsOccupational Therapist1851307730
Verify Mallory Justine Christman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mallory Justine Christman among 151 psychologist records in Delaware
Mallory Justine Christman, PSY.D. is one of 151 psychologist records with a practice address in Delaware. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 93% of them.
- NPI issued2024 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2023 · median 1999 among the 46 with a school on file
- Record last updated2024 · 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 psychologist records list a practice address in Wilmington
They are 80 of the 6,291 NPPES records with a practice address in Wilmington, and 151 psychologist records in Delaware.
All 151 in Delaware → Every provider in Wilmington → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Jonathan Baylin, PHDWilmington, DE 198011942367602
- Aileen Fink, PH.D.Wilmington, DE 198011376679654
- Gary Gerace, PHDWilmington, DE 198011861463531
- Giselle Jimenez, PHDWilmington, DE 198011174404735
- Christopher King, PHDWilmington, DE 198011306821061
- Mladen Milic, PH.D.Wilmington, DE 198011700912094
- Renee Murch, PH.D.Wilmington, DE 198011275661563
- Alan Schwartz, PSYDWilmington, DE 198011598741100
Common questions
What is Mallory Justine Christman, PSY.D.'s NPI number?
Mallory Justine Christman, PSY.D.'s National Provider Identifier (NPI) is 1639907983, issued on Jul 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mallory Justine Christman, PSY.D. located?
The NPPES record lists a practice address at 501 W 14TH St FL 6, Wilmington, DE, 19801. Phone: (302) 320-1300. Providers update this record themselves, so call before visiting.
How can I verify Mallory Justine Christman, PSY.D.'s license?
Search the Delaware 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. Medicare files from data.cms.gov. 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.