Registry data as of Aug 27, 2026

Martha Harrington, NP

Registered Nurse · Biloxi, MS

Martha Harrington, NP is a registered nurse with a practice address in Biloxi, Mississippi, and NPI 1518445642, issued on Jul 31, 2018. Check the license (Mississippi 902837, as entered in NPPES) with the Mississippi 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
1518445642
Name
Martha Harrington
Credential
NP
Primary taxonomy
Registered Nurse 163W00000X
License numbers
902837 MS
877385 MS
Self-reported in NPPES; status is on the state search
Practice location
301 Fisher St, Biloxi, MS 39534
Phone
(228) 376-0441
Enumerated
Jul 31, 2018
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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Also registered at 301 Fisher St

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

  1. Joy AbrahamInternal Medicine Physician1225795842
  2. Kole Akula, MDUrology Physician1326674029
  3. Megan Allen, APRNNurse Practitioner1134249741
  4. Ryan Anderson, DOEmergency Medicine Physician1093192726
  5. Donnata AntoinePharmacist1316900640
  6. Michael Arocho, M.D.Emergency Medicine Physician1972665156

Verify Martha Harrington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
    Search for license 902837
    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 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.

83% fewer Medicare Part D claims than the average registered nurse in 2024

176 Medicare Part D claims for 55 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Martha Harrington176
  2. Specialty average1,063

Most prescribed

  1. Potassium Chloride28 claims
  2. Irbesartan11 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 Medicare quality score for 2023: 99.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score91.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

22 registered nurse records list a Biloxi practice address

They are 22 of the 1,402 NPPES records with a Biloxi practice address, and 786 registered nurse records in Mississippi.

Other registered nurse records in Mississippi

  1. Susan Abdullah, RNTylertown, MS1992000939
  2. Tristia Abner, RNLaurel, MS1811822232
  3. Pamela Adair, RNTupelo, MS1699254953
  4. Tawanda AlexanderPearl, MS1992666820
  5. Alanda AlfredOcean Springs, MS1033099973
  6. Jessica Alldread, FNPGrenada, MS1295281384
  7. Brandon Allen, FNP-C, PMHNP-BCMeridian, MS1073091963
  8. Corianton AllenBiloxi, MS1629422449
  9. Ever Allen, PMHNP-BCMeridian, MS1619792918
  10. Felix AlvarezOcean Springs, MS1811781362

Common questions

What is Martha Harrington, NP's NPI number?

Martha Harrington, NP's National Provider Identifier (NPI) is 1518445642, issued on Jul 31, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Martha Harrington, NP located?

The NPPES record lists a practice address at 301 Fisher St, Biloxi, MS, 39534. Phone: (228) 376-0441. Providers update this record themselves, so call before visiting.

How can I verify Martha Harrington, NP's license?

NPPES lists Mississippi license number 902837, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does Martha Harrington, NP prescribe under Medicare Part D?

In 2024, Martha Harrington, NP had 176 Medicare Part D claims for 55 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.

What is Martha Harrington, NP's Medicare quality score?

The 2023 MIPS final score is 99.8 of 100. 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.