Quick answers
- Does Shelby M. Shimberg accept Medicare assignment?
- Yes. Medicare's clinician data says Shelby M. Shimberg 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 Shelby M. Shimberg see?
- In 2024, CMS data shows 259 Original Medicare patients and 792 services for Shelby M. Shimberg. This counts Original Medicare only and measures volume, not quality.
- What is Shelby M. Shimberg's NPI number?
- 1265022537. 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 Shelby M. Shimberg, 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 | 259 |
|---|---|
| Services billed to Medicare | 792 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)250 services
- Ultrasound measurement of bladder capacity after voiding (51798)167 services
- Urinalysis for bacteria (81007)102 services
- Automated urinalysis test (81003)83 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)53 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%
- Arthritis48%
- Ischemic heart disease42%
- Diabetes27%
- Chronic kidney disease25%
Hospitals where Shelby M. Shimberg works
Medicare's Facility Affiliation Data lists Shelby M. Shimberg 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
Practice locations
Addresses where Shelby M. Shimberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 1557 Janmar RdSnellville, GA 30078 (678) 344‑8900
- 2711 Irvin WayDecatur, GA 30030 (678) 344‑8900
Group practices
Medicare enrollment lists Shelby M. Shimberg as a member of this group (CMS data updated October 2, 2026).
- Advanced Urology Institute of Georgia54 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Snellville
Clinicians with the same Medicare primary specialty in Snellville, GA — not a recommendation.
Other clinicians in Advanced Urology Institute of Georgia
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265022537 |
| 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