NPPES file of Aug 9, 2026

Martha Louise Walker, NP

Nurse Practitioner · Corning, NY

Martha Louise Walker, NP is a nurse practitioner with a practice address in Corning, New York, and NPI 1366714339, issued on Feb 6, 2012. Check the license (New York 308472, 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366714339
Name
Martha Louise Walker
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
308472 NY
393507-1 NY
Self-reported in NPPES; status is on the state search
Practice location
123 Conhocton St Ste 101, Corning, NY 14830
Phone
(607) 438-1200
Enumerated
Feb 6, 2012
Record last updated
May 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(607) 438-1221
Medicaid ID
05100165 NY
Medicare enrollment
Enrolled (PECOS I20180531001209); accepts Medicare assignment
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.
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Also registered at 123 Conhocton St Ste 101

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

  1. Roopa Hathwar, M.D.Internal Medicine Physician1861435620
  2. Julie Lynch-Raymond, AGPCNPNurse Practitioner1023538782
  3. Mark Mauer, M.D.Family Medicine Physician1720059298
  4. Jaime Molina-Marinez, M.D.Internal Medicine Physician1184640773
  5. Linda Smith, N.P.Family Nurse Practitioner1063482149

Verify Martha Louise Walker 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 308472
    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.

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5.3 times the Medicare Part D claims of the average nurse practitioner in 2024

5,924 Medicare Part D claims for 638 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 173 claims were for opioids.

  1. Martha Walker5,924
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium232 claims
  2. Levothyroxine Sodium151 claims
  3. Omeprazole149 claims
  4. Jantoven148 claims
  5. Lisinopril146 claims
  6. Amlodipine Besylate133 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): 81 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 score62.5
  2. Costout of 100 · 30%65.8
  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).

Industry payments in 2024: $24.95

1 payment: food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Martha Walker$24.95
  2. Specialty average$791.64

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. Arnot Medical Services PLLCElmira, NY

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

Martha Louise Walker among 3,097 nurse practitioner records in New York

Martha Louise Walker, NP is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 48% of them.

  • NPI issued2012 · 48% of these records are older, 50% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2017 · median 2017 among the 1,360 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 nurse practitioner records list a practice address in Corning

They are 14 of the 473 NPPES records with a practice address in Corning, and 3,097 nurse practitioner records in New York.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Cornish, RN, AGNP-CCorning, NY 148301194266163
  2. Karen Hale, FNPCorning, NY 148301134410996
  3. Maridee Hunter, NPCorning, NY 148301184192213
  4. Diane Kelly, N.P.Corning, NY 148301083783278
  5. Diana Lougen, FNPCorning, NY 148301992281356
  6. Julie Lynch-Raymond, AGPCNPCorning, NY 148301023538782
  7. Karleena Mickle, FNPCorning, NY 148301316509383
  8. Jamie Pace, FNPCorning, NY 148301386092641

Common questions

What is Martha Louise Walker, NP's NPI number?

Martha Louise Walker, NP's National Provider Identifier (NPI) is 1366714339, issued on Feb 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Martha Louise Walker, NP located?

The NPPES record lists a practice address at 123 Conhocton St Ste 101, Corning, NY, 14830. Phone: (607) 438-1200. Providers update this record themselves, so call before visiting.

How can I verify Martha Louise Walker, NP's license?

NPPES lists New York license number 308472, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Martha Louise Walker, NP had 5,924 Medicare Part D claims for 638 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Martha Louise Walker, NP's MIPS final score?

The 2023 MIPS final score is 81 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.