Anna Elizabeth Case
Internal Medicine Physician · Collins, MS
Anna Elizabeth Case is an internal medicine physician with a practice address in Collins, Mississippi, and NPI 1831659416, issued on Mar 21, 2019. Check the license (Mississippi 31550, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Anna Elizabeth Case
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31550 MS
Self-reported in NPPES; status is on the state search - Practice location
- 704 S 5TH St, Collins, MS 39428
- Phone
- (601) 765-4414
- Enumerated
- Mar 21, 2019
- Record last updated
- Aug 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20230731001159); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 704 S 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Bruce, M.D.Family Medicine Physician1942267281
- Bettye Logan, FNPFamily Nurse Practitioner1376504597
Verify Anna Elizabeth Case in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 31550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,840 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 62 claims were for opioids.
Most prescribed
- Doxycycline Hyclate99 claims
- Atorvastatin Calcium94 claims
- Amlodipine Besylate92 claims
- Prednisone91 claims
- Amoxicillin-Clavulanate Potass73 claims
- Omeprazole71 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.
Industry payments in 2024: $855.93
48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Anna Elizabeth Case among 972 internal medicine physician records in Mississippi
Anna Elizabeth Case is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 68% of them.
- NPI issued2019 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2008 among the 585 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 internal medicine physician record lists a practice address in Collins
They are 1 of the 96 NPPES records with a practice address in Collins, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Collins → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kevin Holmes, M.D.Columbia, MS 394291942297858
- Jeffrey Johnson, M.D.Columbia, MS 394291689698318
- Bryan McCraw, M.D.Columbia, MS 394291174547954
- Ahmad Haidar, MDCarriere, MS 394261407837503
- Mary Clawson, M.D.Bay Springs, MS 394221194825513
- James Beasley, M.D.Laurel, MS 394401689696817
- Charles Cannon, M.D.Laurel, MS 394401841214145
- Willus Horne, M.D.Laurel, MS 394401417961012
Common questions
What is Anna Elizabeth Case's NPI number?
Anna Elizabeth Case's National Provider Identifier (NPI) is 1831659416, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Anna Elizabeth Case located?
The NPPES record lists a practice address at 704 S 5TH St, Collins, MS, 39428. Phone: (601) 765-4414. Providers update this record themselves, so call before visiting.
How can I verify Anna Elizabeth Case's license?
NPPES lists Mississippi license number 31550, 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 Anna Elizabeth Case prescribe under Medicare Part D?
In 2024, Anna Elizabeth Case had 2,840 Medicare Part D claims for 386 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.