NPPES file of Aug 9, 2026

Cathleen D. Koslosky, NP

Family Nurse Practitioner · Bath, ME

Cathleen D. Koslosky, NP is a family nurse practitioner with a practice address in Bath, Maine, and NPI 1619368024, issued on Feb 8, 2015. Check the license (Maine CNP151001, as entered in NPPES) with the Maine 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
1619368024
Name
Cathleen D. Koslosky
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CNP151001 ME
Self-reported in NPPES; status is on the state search
Practice location
108 Centre St Ste 200, Bath, ME 04530
Phone
(207) 386-1800
Enumerated
Feb 8, 2015
Record last updated
Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(207) 386-1801
Medicare enrollment
Enrolled (PECOS I20150414002225); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2014
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 108 Centre St Ste 200

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

  1. Robyn Bird, AGPCNPFamily Nurse Practitioner1437670916
  2. Julie Buccarelli, PMHNPPsychiatric/Mental Health Nurse Practitioner1841717956
  3. Robert Jacob, PA-CPhysician Assistant1497105605
  4. Miranda Nicely, FNP-CFamily Nurse Practitioner1083438774
  5. Jodi Pickel, LCSWClinical Social Worker1255038311

Verify Cathleen D. Koslosky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP151001
    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 Maine license search

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13% more Medicare Part D claims than the average family nurse practitioner in 2024

1,473 Medicare Part D claims for 468 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 74 claims were for opioids.

  1. Cathleen Koslosky1,473
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium63 claims
  2. Gabapentin54 claims
  3. Albuterol Sulfate Hfa53 claims
  4. Levothyroxine Sodium52 claims
  5. Lorazepam37 claims
  6. Duloxetine Hcl35 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.

Bills Medicare through one group practice

  1. MainehealthPortland, ME

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

6 family nurse practitioner records list a practice address in Bath

They are 6 of the 184 NPPES records with a practice address in Bath, and 1,274 family nurse practitioner records in Maine.

Other family nurse practitioner records in Maine

  1. Jessica Abbatiello, NP-CPortland, ME1871811737
  2. Susan Abbott, FNP-CWaterville, ME1366776007
  3. Tammy Abbott, NPLewiston, ME1578199246
  4. Samuel Acha, FNP-BCWestbrook, ME1053832113
  5. Shannon Achorn, NPRockland, ME1891594271
  6. Christa Adams, FNPLewiston, ME1215697891
  7. Chrystal Adams, FNPBangor, ME1235180209
  8. Sarah Adams, NPLewiston, ME1891933677
  9. Katharine Addicott, FNPPortland, ME1013032036
  10. Allison Ainsworth, NPFort Fairfield, ME1487710505

Common questions

What is Cathleen D. Koslosky, NP's NPI number?

Cathleen D. Koslosky, NP's National Provider Identifier (NPI) is 1619368024, issued on Feb 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Cathleen D. Koslosky, NP located?

The NPPES record lists a practice address at 108 Centre St Ste 200, Bath, ME, 04530. Phone: (207) 386-1800. Providers update this record themselves, so call before visiting.

How can I verify Cathleen D. Koslosky, NP's license?

NPPES lists Maine license number CNP151001, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Cathleen D. Koslosky, NP prescribe under Medicare Part D?

In 2024, Cathleen D. Koslosky, NP had 1,473 Medicare Part D claims for 468 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.