William Chase Larmour, NP
Family Nurse Practitioner · Columbus, MS
William Chase Larmour, NP is a family nurse practitioner with a practice address in Columbus, Mississippi, and NPI 1316256142, issued on Sep 28, 2010. Check the license (Mississippi R876972, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Chase Larmour
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R876972 MS
Self-reported in NPPES; status is on the state search - Practice location
- 520 Willowbrook RD, Columbus, MS 39705
- Phone
- (662) 240-1412
- Enumerated
- Sep 28, 2010
- Record last updated
- Dec 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (662) 240-1949
- Medicare enrollment
- Enrolled (PECOS I20110208000365); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 520 Willowbrook RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Johnston, NPFamily Nurse Practitioner1922722883
- Eric McClendonCardiovascular Disease Physician1841566288
- Siddharth Reddy, MDInterventional Cardiology Physician1760800338
- James Williams, MDCardiovascular Disease Physician1780657056
- Chelsee YoungRegistered Nurse1033990189
Verify William Chase Larmour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license R876972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family nurse practitioner in 2024
116 Medicare Part D claims for 41 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate31 claims
- Trazodone Hcl27 claims
- Pramipexole Dihydrochloride13 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $188.71
4 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- 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).
104 family nurse practitioner records list a practice address in Columbus
They are 104 of the 843 NPPES records with a practice address in Columbus, and 3,798 family nurse practitioner records in Mississippi.
All 104 in Columbus → All 3,798 in Mississippi → Every provider in Columbus →
Other family nurse practitioner records in Mississippi
- Sarah Abernathy, NPJackson, MS1578580528
- Whitney Abraham, FNP-CColumbus, MS1316319353
- Brian AdamsColumbus, MS1154796365
- Carla AdamsUnion, MS1649992447
- Jody Adams, CFNPClinton, MS1780652362
- Rebecca Adams, APRNJackson, MS1205206760
- Dorothy AdcockJackson, MS1851841548
- Cody AdkinsUtica, MS1134908593
- Sonya Adkins, NPNew Albany, MS1376019471
- Jamie Agent, NP-CMeridian, MS1245889807
Common questions
What is William Chase Larmour, NP's NPI number?
William Chase Larmour, NP's National Provider Identifier (NPI) is 1316256142, issued on Sep 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Chase Larmour, NP located?
The NPPES record lists a practice address at 520 Willowbrook RD, Columbus, MS, 39705. Phone: (662) 240-1412. Providers update this record themselves, so call before visiting.
How can I verify William Chase Larmour, NP's license?
NPPES lists Mississippi license number R876972, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does William Chase Larmour, NP prescribe under Medicare Part D?
In 2024, William Chase Larmour, NP had 116 Medicare Part D claims for 41 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is William Chase Larmour, NP'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.