NPPES file of Aug 9, 2026

Martha L. Ketteridge, N.P

Psychiatric/Mental Health Clinical Nurse Specialist · Huntington, NY

Martha L. Ketteridge, N.P is a psychiatric/mental health clinical nurse specialist with a practice address in Huntington, New York, and NPI 1952488454, issued on Nov 1, 2006. Check the license (New York F400635, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952488454
Name
Martha L. Ketteridge
Credential
N.P
Primary taxonomy
Psychiatric/Mental Health Clinical Nurse Specialist 364SP0808X
License numbers
F400635 NY
F400635 FL
Self-reported in NPPES; status is on the state search
Practice location
210 E Main St, Huntington, NY 11743
Phone
(631) 864-1795
Enumerated
Nov 1, 2006
Record last updated
Mar 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(631) 864-1795
Medicare enrollment
Enrolled (PECOS I20070817000637); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 210 E Main St

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

  1. Marissa Ahern, LCSWSocial Worker1053919456
  2. Alina Alayev, NPFamily Nurse Practitioner1760036073
  3. Lorraine Burns, M.D.Family Medicine Physician1609876325
  4. Patrick Burns, M.D.Family Medicine Physician1699775312
  5. Samantha Milano, PA-CPhysician Assistant1962998252
  6. Sarah OhlingerRegistered Dietitian1093128407

Verify Martha L. Ketteridge 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 F400635
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

47% fewer Medicare Part D claims than the average psychiatric/mental health clinical nurse specialist in 2024

558 Medicare Part D claims for 36 beneficiaries, against an average of 1,054 among the 390 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Martha Ketteridge558
  2. Specialty average1,054

Most prescribed

  1. Escitalopram Oxalate94 claims
  2. Lamotrigine55 claims
  3. Venlafaxine Hcl Er46 claims
  4. Bupropion Hcl Sr31 claims
  5. Lorazepam26 claims
  6. Desvenlafaxine Succinate Er25 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.

Psychiatric/Mental Health Clinical Nurse Specialist providers in New York

There are 23 psychiatric/mental health clinical nurse specialist records in New York.

Other psychiatric/mental health clinical nurse specialist records in New York

  1. Mary Chereskin, APRNBCNorthport, NY1285736496
  2. Krista Clever, DNP, APNHamburg, NY1225316227
  3. Joan Cohen, PHD, APRN,Great Neck, NY1780808469
  4. Susan Cohen, PH.D, RN, CSLynbrook, NY1841337714
  5. Janet Collins, N.P.New York, NY1497774970
  6. Vincent Cretella, RNMonticello, NY1831813013
  7. Mary Drost, RNCommack, NY1790303543
  8. Kelli Hamilton, NPNew York, NY1376099937
  9. Amandeep KaurBethpage, NY1710866884
  10. Cheryl Kelly, PMHNP-BCNew City, NY1912694605

Common questions

What is Martha L. Ketteridge, N.P's NPI number?

Martha L. Ketteridge, N.P's National Provider Identifier (NPI) is 1952488454, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martha L. Ketteridge, N.P located?

The NPPES record lists a practice address at 210 E Main St, Huntington, NY, 11743. Phone: (631) 864-1795. Providers update this record themselves, so call before visiting.

How can I verify Martha L. Ketteridge, N.P's license?

NPPES lists New York license number F400635, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Martha L. Ketteridge, N.P prescribe under Medicare Part D?

In 2024, Martha L. Ketteridge, N.P had 558 Medicare Part D claims for 36 beneficiaries; the average among psychiatric/mental health clinical nurse specialist prescribers was 1,054. Part D covers Medicare prescriptions only.

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.