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Leslie Marie Mattax , MCMHC

Counselor β€’ Tulsa, OK

Active NPI 1487350708 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

2325 S Harvard Ave
Tulsa, OK 741143300

Call 9187124301 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

2325 S Harvard Ave

Tulsa, OK 741143300

Telephone 9187124301
Organization at the Same NPPES Address or Phone
Fmc Pharmacy Llc Facility NPI 1124049192

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Tulsa, OK. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Family And Children'S Services, Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2022

Years since graduation

4 years (graduated 2022)

CMS Doctors and Clinicians data list 2022 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Leslie Mattax has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Leslie Mattax as eligible to order or refer Medicare Part B clinical laboratory and imaging services and durable medical equipment (DME) for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Tulsa and Oklahoma

883 active clinicians are listed under Counselor with a practice address in Tulsa, OK (4,434 in Oklahoma).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Tulsa

0.6% of these 883 clinicians have the CMS telehealth indicator.

5.1% of these 883 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-03-18
Counselor Primary Specialty

NUCC Taxonomy Code: 101Y00000X

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Counselor - Mental Health

NUCC Taxonomy Code: 101YM0800X

License # reported to NPPES OK 11483
Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Oklahoma State Board of Medical Licensure.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - MENTAL HEALTH COUNSELOR

Medicare Enrollment ID

I20251107003001

Enrollment State Jurisdiction

OK

PECOS Control ID

9739679655

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Not Eligible
Power Mobility Devices (PMD) Not Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Family And Children's Services, Inc

2325 S Harvard Ave, Tulsa, OK 741143300

Phone: 9187124301

Secondary Practice Locations

3150 E 41st St Ste 108a

Tulsa, OK 741053739

Phone: 9182162605

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

4 listed
Melissa Hogan , PA

Physician Assistant

NPI 1023475688

Physician Assistant

Aaron Mcjunkins , APRN

Nurse Practitioner - Psychiatric/Mental Health

NPI 1023380953

Advanced Practice Registered Nurse

Dr. Elka Serrano , MD

Psychiatry & Neurology - Psychiatry

NPI 1043371792

Doctor of Medicine (M.D.)

Natalia Soler , LCSW

Social Worker - Clinical

NPI 1033995402

Licensed Clinical Social Worker

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

7 Historical Events
πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) March 18, 2026

Counselor (license number reported to NPPES: OK 11483)

βœ…
NPI Profile Active February 07, 2023

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) February 07, 2023

Registered at 2325 S HARVARD AVE, TULSA, OK 741143300 (Tel: 9187124301)

πŸ“
Business Mailing Address (Initial Record) February 07, 2023

Registered at 2325 S HARVARD AVE, TULSA, OK 741143300 (Tel: 9187124301)

πŸ‘€
Provider Name / Credentials (Initial Record) February 07, 2023

Recorded as LESLIE MATTAX, MCMHC

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2023

Counselor

🟒
Initial NPI Registration & Enumeration February 07, 2023

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1487350708
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 07, 2023
Last Update: March 18, 2026
Sole Proprietor: No

Other Counselors in Tulsa

All Counselors in Tulsa

Mailing Address

2325 S Harvard Ave

Tulsa, OK 741143300

Phone: 9187124301

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.