NPPES file of Aug 9, 2026

Carla Campos Papaioannou, MSW

Clinical Social Worker · Rockville, MD

Carla Campos Papaioannou, MSW is a clinical social worker with a practice address in Rockville, Maryland, and NPI 1649503079, issued on Sep 16, 2009. Check the license (Maryland 12819, 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
1649503079
Name
Carla Campos Papaioannou
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
12819 MD
Self-reported in NPPES; status is on the state search
Practice location
5942 Hubbard Dr, Rockville, MD 20852
Phone
(301) 230-9490
Enumerated
Sep 16, 2009
Record last updated
Nov 2, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250508000027); 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 5942 Hubbard Dr

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

  1. Julie Baron, MSW, LCSW-CClinical Social Worker1023341534
  2. Lisa BehrensClinical Social Worker1679776710
  3. Claire Cohen, LCSW-CClinical Social Worker1962604827
  4. John Dunn, LCSW-CClinical Social Worker1316093107
  5. Jocelyn Gaul, LCSW-CClinical Social Worker1972706687
  6. Phyllis Pomerantz, LCSW-CClinical Social Worker1972703064

Verify Carla Campos Papaioannou 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 12819
    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. Frederick Health Medical Group LLCFrederick, MD

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

Carla Campos Papaioannou among 9,007 clinical social worker records in Maryland

Carla Campos Papaioannou, MSW is one of 9,007 clinical social worker records with a practice address in Maryland. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 26% of them.

  • NPI issued2009 · 26% of these records are older, 71% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2001 · median 2006 among the 1,685 with a school on file
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

410 clinical social worker records list a practice address in Rockville

They are 410 of the 14,353 NPPES records with a practice address in Rockville, and 9,007 clinical social worker records in Maryland.

The 8 clinical social worker records with the nearest ZIP codes

  1. Mary Blotzer, LCSW CRockville, MD 208521114062866
  2. Kathleen Bogado, LCSW-CRockville, MD 208521659403053
  3. John Dunn, LCSW-CRockville, MD 208521316093107
  4. Lara Gregorio, LCSW, LGSWRockville, MD 208521811069826
  5. Helen McDowell, LCSWRockville, MD 208521104904705
  6. Cecilia McKay, MSWRockville, MD 208521316923477
  7. Joanne Milobsky, LCSW-CRockville, MD 208521467446179
  8. Britt Rathbone, MSSWRockville, MD 208521063418770

Common questions

What is Carla Campos Papaioannou, MSW's NPI number?

Carla Campos Papaioannou, MSW's National Provider Identifier (NPI) is 1649503079, issued on Sep 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Carla Campos Papaioannou, MSW located?

The NPPES record lists a practice address at 5942 Hubbard Dr, Rockville, MD, 20852. Phone: (301) 230-9490. Providers update this record themselves, so call before visiting.

How can I verify Carla Campos Papaioannou, MSW's license?

NPPES lists Maryland license number 12819, 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.