NPPES file of Aug 9, 2026

Mark M. Zimmermann, LCSW-R

Addiction (Substance Use Disorder) Counselor · Bethesda, MD

Mark M. Zimmermann, LCSW-R is an addiction (substance use disorder) counselor with a practice address in Bethesda, Maryland, and NPI 1275782179, issued on Sep 16, 2008. Check the license (Maryland 32135, 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
1275782179
Name
Mark M. Zimmermann
Credential
LCSW-R
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
32135 MD
081485 NY
LC200003450 DC
R081485 NY
Self-reported in NPPES; status is on the state search
Practice location
4710 Elm St Apt W1304, Bethesda, MD 20814
Phone
(917) 830-3463
Enumerated
Sep 16, 2008
Record last updated
May 28, 2025
Fax
(347) 717-7750
Medicaid IDs
100492058 MD
03366314 NY
Medicare enrollment
Enrolled (PECOS I20140822000715); may accept 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.
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8 nearest addiction (substance use disorder) counselor records → All 1,165 in Maryland → Look up another NPI →

Verify Mark M. Zimmermann 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 32135    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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Bills Medicare through one group practice

  1. East Point Medical PCMaspeth, NY

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

Mark M. Zimmermann among 1,165 addiction (substance use disorder) counselor records in Maryland

Mark M. Zimmermann, LCSW-R is one of 1,165 addiction (substance use disorder) counselor records with a practice address in Maryland. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.

  • NPI issued2008 · 13% of these records are older, 83% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · 3% of these records are
  • Graduated2009 · median 2009 among the 31 with a school on file
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Maryland

There are 1,165 addiction (substance use disorder) counselor records in Maryland.

All 1,165 in Maryland → Every provider in Bethesda → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Eileen Goohs, LCPCChevy Chase, MD 208151578090791
  2. La Tonya JacksonBethesda, MD 208171285314534
  3. David Johnson Kirimlis, LCADCBethesda, MD 208171356198493
  4. Pedro AybarBoyds, MD 208411306265194
  5. Bernard WoolleyBoyds, MD 208411578982492
  6. Curtis BarnesCheverly, MD 207851710361274
  7. Ronald Bates, MACheverly, MD 207851063829406
  8. Stacye Brown LomanLandover, MD 207851447061874

Common questions

What is Mark M. Zimmermann, LCSW-R's NPI number?

Mark M. Zimmermann, LCSW-R's National Provider Identifier (NPI) is 1275782179, issued on Sep 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark M. Zimmermann, LCSW-R located?

The NPPES record lists a practice address at 4710 Elm St Apt W1304, Bethesda, MD, 20814. Phone: (917) 830-3463. Providers update this record themselves, so call before visiting.

How can I verify Mark M. Zimmermann, LCSW-R's license?

NPPES lists Maryland license number 32135, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.