Marie M. Darby, M.D.
Maternal & Fetal Medicine Physician · Hattiesburg, MS
Marie M. Darby, M.D. is a maternal & fetal medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1891970521, issued on Dec 31, 2007. Check the license (Mississippi 21529, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Marie M. Darby
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 21529 MS
Self-reported in NPPES; status is on the state search - Practice location
- 421 S 28TH Ave, Hattiesburg, MS 39401
- Phone
- (601) 579-5100
- Enumerated
- Dec 31, 2007
- Record last updated
- Jul 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (601) 579-3211
- Medicaid ID
- 05983278 MS
- Medicare enrollment
- Enrolled (PECOS I20140327001842); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2007
- Entity
- Type 1 · individual
Also registered at 421 S 28TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Bailey, MDObstetrics & Gynecology Physician1447431465
- Louis Benton, MDObstetrics & Gynecology Physician1538173398
- Lauren Bethea, M.D.Obstetrics & Gynecology Physician1265744437
- Hilton Gillespie, MDObstetrics & Gynecology Physician1871503086
- John Holland, MDObstetrics & Gynecology Physician1851404495
- Melissa Holland, MDObstetrics & Gynecology Physician1982717534
Verify Marie M. Darby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 21529Check 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
- Hattiesburg Clinic PAHattiesburg, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Mississippi
There are 12 maternal & fetal medicine physician records in Mississippi.
Other maternal & fetal medicine physician records in Mississippi
- Funminiyi Ajayi, M.D.Jackson, MS1588649321
- Cynthia Bean, MDRidgeland, MS1861600595
- James Bofill, M.D.Jackson, MS1033154935
- Brittany ButlerJackson, MS1881268209
- James Hogg, M.D.Ridgeland, MS1275929705
- Rick Martin, M.D.Jackson, MS1326073404
- Robert Naef, M.D.Jackson, MS1184661373
- Kenneth Perry, M.D.Jackson, MS1093752297
- Andrea Serpas, MDJackson, MS1497498901
- Kimberly Sullivan, MDJackson, MS1114453594
Common questions
What is Marie M. Darby, M.D.'s NPI number?
Marie M. Darby, M.D.'s National Provider Identifier (NPI) is 1891970521, issued on Dec 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marie M. Darby, M.D. located?
The NPPES record lists a practice address at 421 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 579-5100. Providers update this record themselves, so call before visiting.
How can I verify Marie M. Darby, M.D.'s license?
NPPES lists Mississippi license number 21529, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.