James Demos
NPI 1457353872 · Nephrology Physician · Old Bridge, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Demos is a Nephrology Physician provider in Old Bridge, NJ (NPI 1457353872).
Provider details
- NPI number
- 1457353872
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04896400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,031 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 404 | $142 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 263 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 148 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 97 | $146 |
| Administration of Influenza Virus VaccineG0008 | 39 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
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 | 306 | 96 |
| Levothyroxine Sodium | 280 | 81 |
| Amlodipine Besylate | 163 | 54 |
| Losartan Potassium | 124 | 38 |
| Hydrochlorothiazide | 118 | 34 |
| Metoprolol Succinate | 116 | 37 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$690 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-15
- Last updated
- 2022-11-17
- Certified
- 2022-11-17
Frequently asked questions
- What is James Demos's NPI number?
- James Demos's National Provider Identifier (NPI) is 1457353872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Demos's specialty?
- James Demos is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Demos located?
- James Demos's practice location on file with NPPES is 300 Perrine Rd, Old Bridge, NJ 08857-3627.
- What is James Demos's phone number?
- The practice phone number listed in the NPPES registry for James Demos is (732) 753-9890.
- Does James Demos accept Medicare?
- James Demos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Demos's NPI active?
- Yes — James Demos's NPI (1457353872) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.