NPPES file of Aug 9, 2026

Denise Maas, LMHC

Mental Health Counselor · Waterloo, IA

Denise Maas, LMHC is a mental health counselor with a practice address in Waterloo, Iowa, and NPI 1215923958, issued on Sep 27, 2005. Check the license (Iowa 00386, as entered in NPPES) with the Iowa 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
1215923958
Name
Denise Maas
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
00386 IA
Self-reported in NPPES; status is on the state search
Practice location
847 W 4TH St, Waterloo, IA 50702
Phone
(319) 226-3220
Enumerated
Sep 27, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(319) 226-3220
Medicare enrollment
Enrolled (PECOS I20251009001889); may accept 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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8 nearest mental health counselor records → All 2,567 in Iowa → Look up another NPI →

Also registered at 847 W 4TH St

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

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  2. John Church, LMHCMental Health Counselor1093048282
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  4. Michael Freeseman, DDS MSOrthodontics and Dentofacial Orthopedics Dentistry1073687323

Verify Denise Maas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 00386    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 Iowa 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.

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Denise Maas among 2,567 mental health counselor records in Iowa

Denise Maas, LMHC is one of 2,567 mental health counselor records with a practice address in Iowa. 14% 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, over 99% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated1997 · median 2015 among the 554 with a school on file
  • Record last updated2007 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 mental health counselor records list a practice address in Waterloo

They are 72 of the 1,512 NPPES records with a practice address in Waterloo, and 2,567 mental health counselor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,567 in Iowa → Every provider in Waterloo → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Angela Bigelow, LMHCWaterloo, IA 507021982958864
  2. Cynthia Boyle, L.M.H.C., N.C.C.Waterloo, IA 507021386945327
  3. John Church, LMHCWaterloo, IA 507021093048282
  4. Debra Flammang-Roper, LMSWWaterloo, IA 507021154357812
  5. Lisa Heiden-Kimball, LMHCWaterloo, IA 507021538464938
  6. Hope Huff, MA, LMHCWaterloo, IA 507021851444848
  7. Darcie Lampman, LMHCWaterloo, IA 507021417332388
  8. Rita Menart, LMHCWaterloo, IA 507021417223363

Common questions

What is Denise Maas, LMHC's NPI number?

Denise Maas, LMHC's National Provider Identifier (NPI) is 1215923958, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Denise Maas, LMHC located?

The NPPES record lists a practice address at 847 W 4TH St, Waterloo, IA, 50702. Phone: (319) 226-3220. Providers update this record themselves, so call before visiting.

How can I verify Denise Maas, LMHC's license?

NPPES lists Iowa license number 00386, as entered by the provider. Search the Iowa 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.

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.