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Family Practice

Millard J. Collier Jr Jr., MD

Works at hospitals in Austell, GA · Douglasville, GA · Georgia

Summary

Dr. Millard J. Collier Jr Jr., MD is a family doctor at 939 Thornton Rd, Lithia Springs, GA 30122. Phone: (770) 948-5400. Accepts Medicare assignment. In 2024, Millard J. Collier Jr Jr. had 94 Original Medicare patients and 800 services. NPI 1306860044. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Millard J. Collier Jr Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Millard J. Collier Jr Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Millard J. Collier Jr Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Millard J. Collier Jr Jr. see?
In 2024, CMS data shows 94 Original Medicare patients and 800 services for Millard J. Collier Jr Jr.. This counts Original Medicare only and measures volume, not quality.
What is Millard J. Collier Jr Jr.'s NPI number?
1306860044. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Millard J. Collier Jr Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients94
Services billed to Medicare800
Different services or procedures19
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
  2. Blood glucose (sugar) level (82947)175 services
  3. Urinalysis, manual test (81002)126 services
  4. Insertion of needle into vein for collection of blood sample (36415)125 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)62 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis40%
  • Diabetes36%
  • Anxiety19%
  • Chronic kidney disease17%

Hospitals where Millard J. Collier Jr Jr. works

Medicare's Facility Affiliation Data lists Millard J. Collier Jr Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110143
  • Wellstar Douglas Medical CenterDouglasville, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110184

Practice locations

Addresses where Millard J. Collier Jr Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Georgia →

Other family doctors in Georgia

Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.

All family doctors in Georgia →

Clinician information

CredentialMD
Medical schoolMedical College Of Georgia School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306860044
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians