Registry data as of Aug 27, 2026

Martha Louis, M.D.

Specialist · South Richmond Hill, NY

Martha Louis, M.D. is a specialist with a practice address in South Richmond Hill, New York, and NPI 1407965429, issued on Aug 30, 2006. Check the license (New York 224789, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1407965429
Name
Martha Louis
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
224789 NY
Self-reported in NPPES; status is on the state search
Practice location
12901 Liberty Ave, South Richmond Hill, NY 11419
Phone
(718) 738-8800
Enumerated
Aug 30, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Martha Louis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 224789
    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
Find the New York 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.

97% fewer Medicare Part D claims than the average specialist in 2024

47 Medicare Part D claims for 28 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D.

  1. Martha Louis47
  2. Specialty average1,524

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 Medicare quality score for 2023: 89.5 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 score75.3
  2. Costout of 100 · 30%73.9
  3. Promoting interoperabilityout of 100 · 25%79.0
  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).

2 hospital and facility affiliations

  1. North Shore-Lij Medical PCManhasset, NY
  2. Total Women Obgyn Care PCSouth Ozone Park, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

9 specialist records list a South Richmond Hill practice address

They are 9 of the 307 NPPES records with a South Richmond Hill practice address, and 23,149 specialist records in New York.

Other specialist records in New York

  1. Caroline A BorumOswego, NY1669333019
  2. Kerry AaronFairport, NY1669735197
  3. Bracha Aaronson, SPECIAL EDUCATORBrooklyn, NY1790279800
  4. Gayle Aaronson, SPECIALISTNew York, NY1457772329
  5. Kerly Abad AvilaNew York, NY1194403287
  6. Suzy AbadiBrooklyn, NY1215744545
  7. Liana AbagnaloStaten Island, NY1730693219
  8. Aimee Abante, PTBrooklyn, NY1497293948
  9. Patricia Abate, MS.ED, BCBA, LBANew York, NY1447673280
  10. Rachel AbateAlbany, NY1649796996

Common questions

What is Martha Louis, M.D.'s NPI number?

Martha Louis, M.D.'s National Provider Identifier (NPI) is 1407965429, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martha Louis, M.D. located?

The NPPES record lists a practice address at 12901 Liberty Ave, South Richmond Hill, NY, 11419. Phone: (718) 738-8800. Providers update this record themselves, so call before visiting.

How can I verify Martha Louis, M.D.'s license?

NPPES lists New York license number 224789, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Martha Louis, M.D. prescribe under Medicare Part D?

In 2024, Martha Louis, M.D. had 47 Medicare Part D claims for 28 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.

What is Martha Louis, M.D.'s Medicare quality score?

The 2023 MIPS final score is 89.5 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.