NPPES file of Aug 9, 2026

Leander M. Grimm, M.D.

Surgery Physician · Southaven, MS

Leander M. Grimm, M.D. is a surgery physician with a practice address in Southaven, Mississippi, and NPI 1598877805, issued on Aug 31, 2006. Check the license (Mississippi 12705, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598877805
Name
Leander M. Grimm
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
12705 MS
20507 TN
Self-reported in NPPES; status is on the state search
Practice location
401 Southcrest Circle, Southaven, MS 38671
Phone
(662) 349-0311
Enumerated
Aug 31, 2006
Record last updated
Oct 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(662) 349-0121
Medicaid IDs
3726800 TN
00111800 MS
Medicare enrollment
Enrolled (PECOS I20110107000901); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1985
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.
Download card Updates feed

Also registered at 401 Southcrest Circle

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

  1. Thaddeus Gaillard, MDGynecology Physician1558413807

Verify Leander M. Grimm 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 12705
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

14% more Medicare Part D claims than the average surgery physician in 2024

167 Medicare Part D claims for 81 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 66 claims were for opioids.

  1. Leander Grimm167
  2. Specialty average147

Most prescribed

  1. Hydrocodone-Acetaminophen60 claims
  2. Cyclobenzaprine Hcl23 claims
  3. Ibuprofen22 claims
  4. Mupirocin11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.5
  2. Costout of 100 · 30%66.2
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $205.51

10 payments; by number, the most common kind was food and beverage; the largest payer was Acera Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leander Grimm$205.51
  2. Specialty average$3,513.80

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

  1. Baptist Memorial Medical Group, Inc.Columbus, MS

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

Leander M. Grimm among 257 surgery physician records in Mississippi

Leander M. Grimm, M.D. is one of 257 surgery physician records with a practice address in Mississippi. 80% 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, 54% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1985 · median 2003 among the 152 with a school on file
  • Record last updated2016 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Mississippi

There are 257 surgery physician records in Mississippi.

The 8 surgery physician records with the nearest ZIP codes

  1. Karan Bath, M.D.Southaven, MS 386711396909156
  2. Daniel Fore, M.D.Southaven, MS 386711407969843
  3. James Fortune, M.D.Southaven, MS 386711861538951
  4. Jason Hindman, M.D.Southaven, MS 386711033170535
  5. Amber JamesSouthaven, MS 386711972130029
  6. Alyssa Wier, M.D.Southaven, MS 386711215299656
  7. Ramesh Purohit, MDSenatobia, MS 386681275627267
  8. Hubert Spears, M.D.University, MS 386771538196845

Common questions

What is Leander M. Grimm, M.D.'s NPI number?

Leander M. Grimm, M.D.'s National Provider Identifier (NPI) is 1598877805, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leander M. Grimm, M.D. located?

The NPPES record lists a practice address at 401 Southcrest Circle, Southaven, MS, 38671. Phone: (662) 349-0311. Providers update this record themselves, so call before visiting.

How can I verify Leander M. Grimm, M.D.'s license?

NPPES lists Mississippi license number 12705, 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 Leander M. Grimm, M.D. prescribe under Medicare Part D?

In 2024, Leander M. Grimm, M.D. had 167 Medicare Part D claims for 81 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Leander M. Grimm, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.