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Hand Surgery

George P. Nanos Iii, MD

Works at hospitals in Baltimore, MD · Washington, DC · Bethesda, MD · Maryland, District of Columbia

Summary

Dr. George P. Nanos Iii, MD is a hand surgeon at 4940 Eastern Ave, Baltimore, MD 21224. Phone: (410) 550-0100. May accept Medicare assignment. In 2024, George P. Nanos Iii had 323 Original Medicare patients and 1,131 services. NPI 1225008360. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about George P. Nanos Iii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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 patients323
Services billed to Medicare1,131
Different services or procedures47
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)266 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)137 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)116 services
  4. X-ray of hand, minimum of 3 views (73130)102 services
  5. 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.

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.

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

Find other Hand Surgery doctors in Maryland →

Other hand surgeons in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All hand surgeons in Baltimore →

Other clinicians in Johns Hopkins University

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225008360
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians