Quick answers
- Does Mark G. Haywood accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Haywood 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 Mark G. Haywood see?
- In 2024, CMS data shows 1,001 Original Medicare patients and 2,593 services for Mark G. Haywood. This counts Original Medicare only and measures volume, not quality.
- What is Mark G. Haywood's NPI number?
- 1205887239. 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 Mark G. Haywood, 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 | 1,001 |
|---|---|
| Services billed to Medicare | 2,593 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient complete exam of visual system (92014)778 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)510 services
- Imaging of optic nerve (92133)292 services
- Imaging of retina (92134)288 services
- Exam of visual field with extended testing (92083)171 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%
- Arthritis47%
- Diabetes31%
- Ischemic heart disease26%
- Chronic kidney disease23%
Hospitals where Mark G. Haywood works
Medicare's Facility Affiliation Data lists Mark G. Haywood 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 Hospital GwinnettLawrenceville, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110087
Practice locations
Addresses where Mark G. Haywood is enrolled with Medicare (CMS data updated October 2, 2026).
- 757 Old Norcross RdLawrenceville, GA 30046 (678) 442‑1161
Group practices
Medicare enrollment lists Mark G. Haywood as a member of this group (CMS data updated October 2, 2026).
- Mark G. Haywood, MD, LLC2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Lawrenceville
Clinicians with the same Medicare primary specialty in Lawrenceville, GA — not a recommendation.
Other clinicians in Mark G. Haywood, MD, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205887239 |
| 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