NPPES file of Aug 9, 2026

Jennah Marie Diaz, MS

Counselor · Alton, IL

Jennah Marie Diaz, MS is a counselor with a practice address in Alton, Illinois, and NPI 1770234924, issued on Jan 10, 2022. Check the license with the Illinois 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
1770234924
Name
Jennah Marie Diaz
Credential
MS
Primary taxonomy
Counselor 101Y00000X
Practice location
2615 Edwards St, Alton, IL 62002
Phone
(618) 462-2331
Enumerated
Jan 10, 2022
Record last updated
Jun 20, 2024
Fax
(618) 462-2504
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest counselor records → All 3,805 in Illinois → Look up another NPI →

Also registered at 2615 Edwards St

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

  1. Dana Abell, LSWSocial Worker1598574279
  2. Angel AdamMental Health Counselor1942603931
  3. Brittany AdamsCounselor1104491547
  4. Jennifer Addington, MSW,LCSWClinical Social Worker1801429220
  5. Meriban Ahmadova, MSW, LSWSocial Worker1437920014
  6. Jennifer Aiken, MS, QMHPAddiction (Substance Use Disorder) Counselor1740101435

Verify Jennah Marie Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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 Illinois 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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Jennah Marie Diaz among 3,805 counselor records in Illinois

Jennah Marie Diaz, MS is one of 3,805 counselor records with a practice address in Illinois. 3% 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 2022, is newer than 66% of them.

  • NPI issued2022 · 66% of these records are older, 25% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

169 counselor records list a practice address in Alton

They are 169 of the 1,113 NPPES records with a practice address in Alton, and 3,805 counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,805 in Illinois → Every provider in Alton → Counselor nationwide →

The 8 counselor records with the nearest ZIP codes

  1. Dennis Billman, LPCAlton, IL 620021639370653
  2. Erica CliffordAlton, IL 620021083197479
  3. Maggie DejongAlton, IL 620021922504406
  4. Sarah DexterAlton, IL 620021205256898
  5. Kendra Edwards, MAAlton, IL 620021114497781
  6. Cassandra Griffin, RASACII., MAC., MAAlton, IL 620021811245723
  7. Katharina LyonsAlton, IL 620021730608746
  8. Ashley Meints, LPCAlton, IL 620021376092098

Common questions

What is Jennah Marie Diaz, MS's NPI number?

Jennah Marie Diaz, MS's National Provider Identifier (NPI) is 1770234924, issued on Jan 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jennah Marie Diaz, MS located?

The NPPES record lists a practice address at 2615 Edwards St, Alton, IL, 62002. Phone: (618) 462-2331. Providers update this record themselves, so call before visiting.

How can I verify Jennah Marie Diaz, MS's license?

Search the Illinois 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.