Byron Demopoulos, MD
NPI 1225125321 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Byron Demopoulos, MD is a Internal Medicine Physician provider in New York, NY (NPI 1225125321).
Provider details
- NPI number
- 1225125321
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 195560 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
973 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 281 | $112 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 244 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 194 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $156 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 | $167 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 311 | 114 |
| Amlodipine Besylate | 202 | 67 |
| Rosuvastatin Calcium | 160 | 57 |
| Losartan Potassium | 107 | 42 |
| Tamsulosin Hcl | 97 | 30 |
| Levothyroxine Sodium | 95 | 37 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2013-06-27
Frequently asked questions
- What is Byron Demopoulos's NPI number?
- Byron Demopoulos's National Provider Identifier (NPI) is 1225125321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Byron Demopoulos's specialty?
- Byron Demopoulos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Byron Demopoulos located?
- Byron Demopoulos's practice location on file with NPPES is 505 E 70th St # Ht-4, New York, NY 10021-4872.
- What is Byron Demopoulos's phone number?
- The practice phone number listed in the NPPES registry for Byron Demopoulos is (212) 746-2924.
- Does Byron Demopoulos accept Medicare?
- Byron Demopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Byron Demopoulos's NPI active?
- Yes — Byron Demopoulos's NPI (1225125321) is active in the NPPES registry as of the last update on 2013-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.