Marcia J. Hartwig, PHD
Psychologist · Hattiesburg, MS
Marcia J. Hartwig, PHD is a psychologist with a practice address in Hattiesburg, Mississippi, and NPI 1124030788, issued on Aug 12, 2006. Check the license (Mississippi 41-670, as entered in NPPES) with the Mississippi board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marcia J. Hartwig
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 41-670 MS
Self-reported in NPPES; status is on the state search - Practice location
- 415 S 28TH Ave, Hattiesburg, MS 39401
- Phone
- (601) 268-5620
- Enumerated
- Aug 12, 2006
- Record last updated
- Jan 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (601) 268-5720
- Medicaid ID
- 00126033 MS
- Entity
- Type 1 · individual
Also registered at 415 S 28TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ralph Abraham, MDSurgery Physician1013931674
- Logan AbramsPerfusionist1346803061
- William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
- Mansoor Ahmad, MDHospitalist Physician1154096758
- Mohammed Ahmed, MDHospitalist Physician1942224514
- Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665
Verify Marcia J. Hartwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 41-670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Psychologist providers in Mississippi
There are 128 psychologist records in Mississippi. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other psychologist records in Mississippi
- Robert Adams, MDJackson, MS1003830563
- Joseph Alexander, PHDTupelo, MS1942248208
- Brittney Assavedo, PH.D.Jackson, MS1154981959
- Courtney Bagge, PH.D.Jackson, MS1942525787
- Daniel Barnes, PHDJackson, MS1548771611
- Martha Baty, PH.D.Hattiesburg, MS1811107816
- Frank BaughHattiesburg, MS1619489861
- Mitchell Berman, PH.D.Mississippi State, MS1912706177
- Jan Boggs, PH.D.Meridian, MS1285856112
- Jeannette Bolte, PHDPass Christian, MS1558465831
Common questions
What is Marcia J. Hartwig, PHD's NPI number?
Marcia J. Hartwig, PHD's National Provider Identifier (NPI) is 1124030788, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcia J. Hartwig, PHD located?
The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 268-5620. Providers update this record themselves, so call before visiting.
How can I verify Marcia J. Hartwig, PHD's license?
NPPES lists Mississippi license number 41-670, as entered by the provider. Search the Mississippi 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.