NPPES file of Aug 9, 2026

Arthur Flax, LCSW-C

Clinical Social Worker · Baltimore, MD

Arthur Flax, LCSW-C is a clinical social worker with a practice address in Baltimore, Maryland, and NPI 1356344899, issued on May 28, 2005. Check the license (Maryland 05478, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356344899
Name
Arthur Flax
Credential
LCSW-C
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
05478 MD
LCA030 MD
LCO531 MD
Self-reported in NPPES; status is on the state search
Practice location
6126 Green Meadow Pkwy Apt D, Baltimore, MD 21209
Phone
(410) 653-6300
Enumerated
May 28, 2005
Record last updated
Jan 8, 2025
Fax
(410) 653-6300
Medicaid ID
116541101 MD
Medicare enrollment
Enrolled (PECOS I20041018000155); 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.
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Verify Arthur Flax 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 05478
    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

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Arthur Flax among 9,007 clinical social worker records in Maryland

Arthur Flax, LCSW-C 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 99% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1985 · median 2006 among the 1,685 with a school on file
  • Record last updated2025 · 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).

1,917 clinical social worker records list a practice address in Baltimore

They are 1,917 of the 35,183 NPPES records with a practice address in Baltimore, and 9,007 clinical social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Ari Blum, LCSW-CBaltimore, MD 212091528120417
  2. Kate Genut, LCSW-CBaltimore, MD 212091437197357
  3. Ruth Glick, LCSW-CBaltimore, MD 212091851336770
  4. Deborah Marks, MSW, LCSW-CBaltimore, MD 212091205910411
  5. Karen McCloskey, LCSW-CBaltimore, MD 212091851322655
  6. Jamie Metzler, LCSW-CBaltimore, MD 212091093865974
  7. Cynthia Osborne, LCSW-CBaltimore, MD 212091013099563
  8. Amy Peck, LCSW-CBaltimore, MD 212091649286527

Common questions

What is Arthur Flax, LCSW-C's NPI number?

Arthur Flax, LCSW-C's National Provider Identifier (NPI) is 1356344899, issued on May 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Arthur Flax, LCSW-C located?

The NPPES record lists a practice address at 6126 Green Meadow Pkwy Apt D, Baltimore, MD, 21209. Phone: (410) 653-6300. Providers update this record themselves, so call before visiting.

How can I verify Arthur Flax, LCSW-C's license?

NPPES lists Maryland license number 05478, 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. 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.