Quick answers
- Does Anthony L. Massey accept Medicare assignment?
- Medicare's clinician data says Anthony L. Massey may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Anthony L. Massey see?
- In 2024, CMS data shows 88 Original Medicare patients and 88 services for Anthony L. Massey. This counts Original Medicare only and measures volume, not quality.
- What is Anthony L. Massey's NPI number?
- 1407042021. 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 Anthony L. Massey, 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 patients | 88 |
|---|---|
| Services billed to Medicare | 88 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
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%
- Arthritis65%
- Ischemic heart disease43%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)31%
- Anxiety26%
Hospitals where Anthony L. Massey works
Medicare's Facility Affiliation Data lists Anthony L. Massey 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.
- Northside HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110161
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110005
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110035
Practice locations
Addresses where Anthony L. Massey is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1000 Johnson Ferry RdAtlanta, GA 30342 (404) 851‑8000
- 3000 Hospital BlvdRoswell, GA 30076 (770) 751‑2500
- 3950 Austell RdAustell, GA 30106 (770) 702‑1806
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
- 625 Church NestMarietta, GA 30060 (770) 422‑2004
Group practices
Medicare enrollment lists Anthony L. Massey as a member of these groups (CMS data updated October 2, 2026).
- Wellstar Medical Group LLC3,093 clinicians in the group
- North Atlanta Anesthesia Professionals, LLC529 clinicians in the group
- Mak Anesthesia Holdings, LLC385 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Other clinicians in Wellstar Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| School | Emory University School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1407042021 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians