Mack C. Long III
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 703 W Patten St, Mineola, TX 75773
- Practice phone
- Call (903) 569-5409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Andrews Center Chemical Treatment Facility
Behavioral health practice · Mineola, Texas
Find Mack Long's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mack C. Long III is a professional counselor in Mineola, Texas
Mack Long practices at Andrews Center Chemical Treatment Facility in Mineola, Texas.
Mack Long's NPI, 1073483947, was assigned on November 6, 2025. Mack Long holds Texas license 91528.
- NPI
- 1073483947NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597259002
- NPI enumeration date
- November 6, 2025
- NPI status
- Active
- Practice phone
- (903) 569-5409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mack C. Long III practices at Andrews Center Chemical Treatment Facility in Mineola, Texas
Mack Long's primary practice is Andrews Center Chemical Treatment Facility, at 703 W Patten St, Mineola, TX 75773. The practice phone is (903) 569-5409.
- Andrews Center Chemical Treatment Facility703 W Patten St, Mineola, TX 75773Phone(903) 569-5409
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mack C. Long III is affiliated with 1 site of care and 1 medical group
Mack Long's primary practice is Andrews Center Chemical Treatment Facility in Mineola, Texas. The medical group on file is Andrews Center Behavioral Healthcare System.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Mack C. Long III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mack Long practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Andrews Center Chemical Treatment Facility | Available with a free account |
Source: Dmand AI Technology Install Data
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Mack C. Long III is one of 6,393 professional counselors in Texas
Professional is Mack Long's primary specialty in the NPI Registry, under taxonomy code 101YP2500X. Mack Long is licensed in Texas.
Specialties and state licenses
- Professional counselor, TexasPrimary
Professional counselors near Mack Long
Counts of professional counselors with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mack C. Long III's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Mack Long's median patient age at 67, with 0% women.
Mack Long's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Sources for Mack C. Long III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mack C. Long III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mack C. Long III's NPI number?
Mack C. Long III's NPI number is 1073483947. It was assigned on November 6, 2025, and it is active in the NPI Registry.
What does Mack C. Long III specialize in?
Mack C. Long III is a professional counselor in Mineola, Texas. The primary specialty in the NPI Registry is Professional Counselor (taxonomy code 101YP2500X).
Where does Mack C. Long III practice?
Mack Long practices at 703 W Patten St, Mineola, TX 75773. Mack Long's primary practice is Andrews Center Chemical Treatment Facility in Mineola, Texas.
What is Mack C. Long III's office phone number?
The practice phone on file for Mack Long is (903) 569-5409.
What is Mack C. Long III's medical license number?
Mack Long holds Texas license 91528.
What medical group is Mack C. Long III part of?
Mack Long is linked to Andrews Center Behavioral Healthcare System.
How long has Mack C. Long III been practicing?
Mack Long graduated from medical school in 1990, 36 years ago.
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