Quick answers
- Does George P. Nanos Iii accept Medicare assignment?
- Medicare's clinician data says George P. Nanos Iii may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does George P. Nanos Iii see?
- In 2024, CMS data shows 323 Original Medicare patients and 1,131 services for George P. Nanos Iii. This counts Original Medicare only and measures volume, not quality.
- What is George P. Nanos Iii's NPI number?
- 1225008360. 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 George P. Nanos Iii, 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 | 323 |
|---|---|
| Services billed to Medicare | 1,131 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)266 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)137 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)116 services
- X-ray of hand, minimum of 3 views (73130)102 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)88 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 cholesterol75%
- High blood pressure67%
- Arthritis63%
- Diabetes27%
- Ischemic heart disease23%
- Osteoporosis20%
Hospitals where George P. Nanos Iii works
Medicare's Facility Affiliation Data lists George P. Nanos Iii 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.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
- Suburban HospitalBethesda, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210022
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009
Practice locations
Addresses where George P. Nanos Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 4940 Eastern AveBaltimore, MD 21224
- 4940 Eastern Ave, Bayview Medical CtrBaltimore, MD 21224 (410) 550‑0100
- 5255 Loughboro Rd NWWashington, DC 20016 (202) 660‑6500
- 5255 Loughboro Rd NW, Sibley Primary CareWashington, DC 20016 (202) 660‑6500
- 5255 Loughboro Road NW, Sibley Memorial HospitalWashington, DC 20016 (202) 660‑6500
Group practices
Medicare enrollment lists George P. Nanos Iii as a member of these groups (CMS data updated October 2, 2026).
- Johns Hopkins University2,909 clinicians in the group
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- Johns Hopkins University713 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Johns Hopkins University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225008360 |
| 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