Quick answers
- Does John K. Mayfield accept Medicare assignment?
- Yes. Medicare's clinician data says John K. Mayfield 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 John K. Mayfield see?
- In 2024, CMS data shows 286 Original Medicare patients and 637 services for John K. Mayfield. This counts Original Medicare only and measures volume, not quality.
- What is John K. Mayfield's NPI number?
- 1356407878. 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 John K. Mayfield, 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 | 286 |
|---|---|
| Services billed to Medicare | 637 |
| Different services or procedures | 102 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)142 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)58 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)46 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)32 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)31 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%
- Arthritis49%
- Ischemic heart disease41%
- Heart failure38%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)38%
Hospitals where John K. Mayfield works
Medicare's Facility Affiliation Data lists John K. Mayfield 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.
- AdventHealth RedmondRome, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110168
- Atrium Health Floyd Medical CenterRome, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 110054
- Floyd Cherokee Medical CenterCentre, AL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 010022
Practice locations
Addresses where John K. Mayfield is enrolled with Medicare (CMS data updated October 2, 2026).
- 1825 Martha Berry Blvd NWRome, GA 30165 (762) 235‑2495
- 304 Turner McCall Blvd SWRome, GA 30165 (706) 509‑5000
Group practices
Medicare enrollment lists John K. Mayfield as a member of these groups (CMS data updated October 2, 2026).
- Harbin Clinic LLC244 clinicians in the group
- Floyd Physicians LLC62 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Rome
Clinicians with the same Medicare primary specialty in Rome, GA — not a recommendation.
Other clinicians in Harbin Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356407878 |
| 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