NPPES file of Aug 9, 2026

Madeline Sarah Larossa, MD

Internal Medicine Physician · Florence, SC

Madeline Sarah Larossa, MD is an internal medicine physician with a practice address in Florence, South Carolina, and NPI 1316575160, issued on Mar 28, 2020. Check the license (South Carolina 90950, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1316575160
Name
Madeline Sarah Larossa
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
90950 SC
Self-reported in NPPES; status is on the state search
Practice location
805 Pamplico Hwy, Florence, SC 29505
Phone
(843) 674-5000
Enumerated
Mar 28, 2020
Record last updated
Jun 28, 2024
Medicare enrollment
Enrolled (PECOS I20231219002454); accepts Medicare assignment
Medical or professional school
Wake Forest University School Of Medicine, 2019
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 805 Pamplico Hwy

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

  1. Fnu AbdullahStudent in an Organized Health Care Education/Training Program1063335487
  2. Samson Abolaji, MDFamily Medicine Physician1922946714
  3. Mouhannad AbouelezzStudent in an Organized Health Care Education/Training Program1669359006
  4. Danny Aboujamra, MDStudent in an Organized Health Care Education/Training Program1104661446
  5. Sheron Abraham, D.O.Family Medicine Physician1447548144
  6. Michael Adams, CRNA, ARNPCertified Registered Nurse Anesthetist1225472251

Verify Madeline Sarah Larossa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 90950
    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 South Carolina 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.

85% fewer Medicare Part D claims than the average internal medicine physician in 2024

484 Medicare Part D claims for 152 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Madeline Larossa484
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium36 claims
  2. Metoprolol Tartrate20 claims
  3. Ondansetron Odt20 claims
  4. Metoprolol Succinate18 claims
  5. Atorvastatin Calcium17 claims
  6. Amlodipine Besylate15 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): 76.8 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 score71.1
  2. Costout of 100 · 30%52.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

Bills Medicare through one group practice

  1. Musc Community PhysiciansFlorence, SC

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

Madeline Sarah Larossa among 1,881 internal medicine physician records in South Carolina

Madeline Sarah Larossa, MD is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 74% of them.

  • NPI issued2020 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2019 · median 2006 among the 1,119 with a school on file
  • Record last updated2024 · 46% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

62 internal medicine physician records list a practice address in Florence

They are 62 of the 2,634 NPPES records with a practice address in Florence, and 1,881 internal medicine physician records in South Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rose BasnyatFlorence, SC 295051528478831
  2. Eduardo Donato, MDFlorence, SC 295051629035878
  3. Charles Edwards, D.O.Florence, SC 295051538466206
  4. Uchechukwu Egbujo, MDFlorence, SC 295051497231211
  5. Sergio GrajedaFlorence, SC 295051689341794
  6. Ashish Parmar, DOFlorence, SC 295051457973323
  7. Ami Parmar, MDFlorence, SC 295051851037337
  8. Christi StubbsFlorence, SC 295051679245880

Common questions

What is Madeline Sarah Larossa, MD's NPI number?

Madeline Sarah Larossa, MD's National Provider Identifier (NPI) is 1316575160, issued on Mar 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Madeline Sarah Larossa, MD located?

The NPPES record lists a practice address at 805 Pamplico Hwy, Florence, SC, 29505. Phone: (843) 674-5000. Providers update this record themselves, so call before visiting.

How can I verify Madeline Sarah Larossa, MD's license?

NPPES lists South Carolina license number 90950, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Madeline Sarah Larossa, MD prescribe under Medicare Part D?

In 2024, Madeline Sarah Larossa, MD had 484 Medicare Part D claims for 152 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Madeline Sarah Larossa, MD's MIPS final score?

The 2023 MIPS final score is 76.8 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.