NPPES file of Aug 9, 2026

Kathleen Louzon Demario, CRNP

Gerontology Nurse Practitioner · Baltimore, MD

Kathleen Louzon Demario, CRNP is a gerontology nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1285654855, issued on Jul 19, 2006. Check the license (Maryland R089949, as entered in NPPES) with the Maryland 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
1285654855
Name
Kathleen Louzon Demario
Credential
CRNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
R089949 MD
Self-reported in NPPES; status is on the state search
Practice location
3900 Loch Raven Blvd, Baltimore, MD 21218
Phone
(410) 605-7620
Enumerated
Jul 19, 2006
Record last updated
Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 209-8418
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.
Download card Updates feed

Also registered at 3900 Loch Raven Blvd

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

  1. Courtney Allen, LGSWSocial Worker1205290608
  2. Keba Armstrong, CRNPFamily Nurse Practitioner1013089010
  3. Christine Avig, RNHospice Registered Nurse1942964879
  4. David Berman, LCSW-CClinical Social Worker1265543664
  5. Charles Brilliant, LCSW-CClinical Social Worker1689783946
  6. Paz Cabanero-Johnson, PTPhysical Therapist1588755474

Verify Kathleen Louzon Demario in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R089949
    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 Maryland 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.

99% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

20 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.

  1. Kathleen Demario20
  2. Specialty average1,369

Most prescribed

  1. Jardiance12 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.

Kathleen Louzon Demario among 199 gerontology nurse practitioner records in Maryland

Kathleen Louzon Demario, CRNP is one of 199 gerontology nurse practitioner records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 83% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2021 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Maryland

There are 199 gerontology nurse practitioner records in Maryland.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Ija DeliaBaltimore, MD 212181003433285
  2. John Hermann, CRNPBaltimore, MD 212181649327628
  3. Deborah Lubow, R.N. , CRNP,Baltimore, MD 212181194727370
  4. Barbara Resnick, PHD, CRNP, FAAN ,FAABaltimore, MD 212181942205380
  5. Laura CerretaBaltimore, MD 212151144061763
  6. Eyerusalem HagosEssex, MD 212211134662497
  7. Mariatu Sulaiman, GNPBaltimore, MD 212151336919513
  8. Stella UwalorDundalk, MD 212221326611526

Common questions

What is Kathleen Louzon Demario, CRNP's NPI number?

Kathleen Louzon Demario, CRNP's National Provider Identifier (NPI) is 1285654855, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Louzon Demario, CRNP located?

The NPPES record lists a practice address at 3900 Loch Raven Blvd, Baltimore, MD, 21218. Phone: (410) 605-7620. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Louzon Demario, CRNP's license?

NPPES lists Maryland license number R089949, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Louzon Demario, CRNP prescribe under Medicare Part D?

In 2024, Kathleen Louzon Demario, CRNP had 20 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. 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.