Quick answers
- Does Shanil L. Harkins accept Medicare assignment?
- Yes. Medicare's clinician data says Shanil L. Harkins 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 Shanil L. Harkins see?
- In 2024, CMS data shows 358 Original Medicare patients and 818 services for Shanil L. Harkins. This counts Original Medicare only and measures volume, not quality.
- What is Shanil L. Harkins's NPI number?
- 1821250267. 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 Shanil L. Harkins, 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 | 358 |
|---|---|
| Services billed to Medicare | 818 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)151 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)80 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)50 services
- Biopsy of large bowel using a flexible endoscope (45380)41 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%
- Arthritis51%
- Ischemic heart disease38%
- Anxiety27%
- Diabetes26%
Hospitals where Shanil L. Harkins works
Medicare's Facility Affiliation Data lists Shanil L. Harkins 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 Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110035
- Wellstar North Fulton Medical CenterRoswell, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 110198
Practice locations
Addresses where Shanil L. Harkins is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1121 Johnson Ferry Rd, Suite 150Marietta, GA 30068 (678) 741‑5000
- 118 Mill St, Suite 100Woodstock, GA 30188 (678) 741‑5000
- 118 Mill St, Suite 110Woodstock, GA 30188 (678) 741‑5000
- 2550 Windy Hill Rd SEMarietta, GA 30067 (678) 741‑5000
- 711 Canton Rd, Suite 300Marietta, GA 30060 (678) 741‑5000
Group practices
Medicare enrollment lists Shanil L. Harkins as a member of this group (CMS data updated October 2, 2026).
- Gastrointestinal Specialist of Georgia35 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Other clinicians in Gastrointestinal Specialist of Georgia
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Ponce School Of Medicine |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821250267 |
| 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