NPPES file of Aug 9, 2026

Christopher Kolokythas

Acute Care Nurse Practitioner · Baltimore, MD

Christopher Kolokythas is an acute care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1023401429, issued on Mar 9, 2015. Check the license (Maryland R186559, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023401429
Name
Christopher Kolokythas
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
R186559 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-8667
Enumerated
Mar 9, 2015
Record last updated
Apr 19, 2023
Medicare enrollment
Enrolled (PECOS I20160316001758); 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.
Download card Updates feed

Also registered at 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Christopher Kolokythas 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 R186559
    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.

Bills Medicare through one group practice

  1. Shock Trauma Associates PABaltimore, MD

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

Christopher Kolokythas among 755 acute care nurse practitioner records in Maryland

Christopher Kolokythas is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 42% of them.

  • NPI issued2015 · 42% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2014 · median 2017 among the 494 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

423 acute care nurse practitioner records list a practice address in Baltimore

They are 423 of the 35,183 NPPES records with a practice address in Baltimore, and 755 acute care nurse practitioner records in Maryland.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Michelle Agostini, NPBaltimore, MD 212011346467610
  2. Lynn Dees, CRNPBaltimore, MD 212011265412316
  3. P Frawley, ACNPBaltimore, MD 212011215147814
  4. Colleen Gaffney, CRNPBaltimore, MD 212011295957579
  5. T. Nicole Kelley, RN, MS, CRNPBaltimore, MD 212011932241981
  6. Lou-Ellen Lallier, CRNPBaltimore, MD 212011649480096
  7. Benjamin Laughton, CRNPBaltimore, MD 212011902016512
  8. Melinda Lebrun, CRNPBaltimore, MD 212011639395932

Common questions

What is Christopher Kolokythas's NPI number?

Christopher Kolokythas's National Provider Identifier (NPI) is 1023401429, issued on Mar 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Kolokythas located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-8667. Providers update this record themselves, so call before visiting.

How can I verify Christopher Kolokythas's license?

NPPES lists Maryland license number R186559, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.