NPPES file of Aug 9, 2026

Mary S. Corkern, MD

Hospitalist Physician · Hattiesburg, MS

Mary S. Corkern, MD is a hospitalist physician with a practice address in Hattiesburg, Mississippi, and NPI 1740298116, issued on Aug 3, 2006. Check the license (Mississippi 16420, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740298116
Name
Mary S. Corkern
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
16420 MS
Self-reported in NPPES; status is on the state search
Practice location
415 S 28TH Ave, Hattiesburg, MS 39401
Phone
(601) 288-4329
Enumerated
Aug 3, 2006
Record last updated
Mar 26, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(601) 288-3191
Medicaid IDs
00120864 MS
1490733 LA
Medicare enrollment
Enrolled (PECOS I20061114000152); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 415 S 28TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ralph Abraham, MDSurgery Physician1013931674
  2. Logan AbramsPerfusionist1346803061
  3. William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
  4. Mansoor Ahmad, MDHospitalist Physician1154096758
  5. Mohammed Ahmed, MDHospitalist Physician1942224514
  6. Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665

Verify Mary S. Corkern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 16420
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% fewer Medicare Part D claims than the average hospitalist physician in 2024

223 Medicare Part D claims for 76 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Mary Corkern223
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium18 claims
  2. Furosemide15 claims
  3. Eliquis14 claims
  4. Metoprolol Succinate12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Hospital Medicine Associates LLCBirmingham, AL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary S. Corkern among 116 hospitalist physician records in Mississippi

Mary S. Corkern, MD is one of 116 hospitalist physician records with a practice address in Mississippi. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 68% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1995 · median 2009 among the 94 with a school on file
  • Record last updated2009 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 hospitalist physician records list a practice address in Hattiesburg

They are 42 of the 2,569 NPPES records with a practice address in Hattiesburg, and 116 hospitalist physician records in Mississippi.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Mohammed Ahmed, MDHattiesburg, MS 394011942224514
  2. Edward Askew, MDHattiesburg, MS 394011619991809
  3. George Habeeb, MDHattiesburg, MS 394011033121785
  4. Catherine Hulsey, M.D.Hattiesburg, MS 394011164483814
  5. Greg Ichtertz, M.D.Hattiesburg, MS 394011598884454
  6. Antonio Jaime Imperial, M.D.Hattiesburg, MS 394011902867021
  7. Thomas King, MDHattiesburg, MS 394011043324809
  8. Ujwal Neravetla, MDHattiesburg, MS 394011992882138

Common questions

What is Mary S. Corkern, MD's NPI number?

Mary S. Corkern, MD's National Provider Identifier (NPI) is 1740298116, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary S. Corkern, MD located?

The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 288-4329. Providers update this record themselves, so call before visiting.

How can I verify Mary S. Corkern, MD's license?

NPPES lists Mississippi license number 16420, 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.

How much does Mary S. Corkern, MD prescribe under Medicare Part D?

In 2024, Mary S. Corkern, MD had 223 Medicare Part D claims for 76 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions 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.