James Demos

  • Old Bridge, NJ
  • Nephrologist
NPI1457353872PAC ID0749215093
Medicare services, 2024
1,086
Medicare patients, 2024
271
Part D claims, 2024
3,801
MIPS score, 2024
96
Hospital affiliations
2
Practice address
300 Perrine Rd Suite 324 Suite 324, Old Bridge, NJ 08857-3628
Practice phone
Call (732) 753-9890
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hmhmg Primary Care

Primary care practice · Old Bridge, New Jersey

See all 5 affiliations

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James Demos is a nephrologist in Old Bridge, New Jersey

James Demos practices at Hmhmg Primary Care in Old Bridge, New Jersey.

James Demos' NPI, 1457353872, was assigned on August 15, 2005. James Demos holds New Jersey license 25MA04896400.

NPI and contact details
Medicare PAC ID
0749215093
NPI enumeration date
August 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(732) 753-9890
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

James Demos practices at Hmhmg Primary Care in Old Bridge, New Jersey

James Demos' primary practice is Hmhmg Primary Care, at 300 Perrine Rd Suite 324 Suite 324, Old Bridge, NJ 08857-3628. The practice phone is (732) 753-9890.

  • Hmhmg Primary Care
    300 Perrine Rd Suite 324 Suite 324, Old Bridge, NJ 08857-3628Phone(732) 753-9890

Source: Dmand AI Affiliation Data

James Demos is affiliated with 4 sites of care and 1 medical group

James Demos' primary practice is Hmhmg Primary Care in Old Bridge, New Jersey. James Demos is also affiliated with JFK University Medical Center. The medical group on file is Hackensack Meridian Medical Group. Dmand AI also links James Demos to 1 more hospital and 1 home health agency, each named with a free account.

See all 5 affiliations for James Demos

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at James Demos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Demos practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hmhmg Primary CareAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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James Demos is one of 399 nephrologists in New Jersey

Nephrology is James Demos' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. James Demos is licensed in New Jersey.

Specialties and state licenses

  • Nephrology, New JerseyPrimaryLicense 25MA04896400 · taxonomy 207RN0300X

Nephrologists near James Demos

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

399nephrologists in New Jersey
3nephrologists in Old Bridge

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

James Demos billed Medicare for 1,086 services in 2024

CMS data shows 1,086 Medicare services from James Demos across 10 procedure codes in 2024, for 271 Medicare patients. Medicare paid $69,978 for them. Every service was in an office.

Medicare services, 20241,086
Medicare patients271
Paid by Medicare$69,978
Procedure codes10

James Demos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4632024: 4356%
Surgery
2023: 3432024: 26323%
Tests and treatments
2023: 2402024: 20315%
Other services
2023: 2422024: 18524%

James Demos compared with the New Jersey median for nephrologists, 2024

  • James Demos
  • New Jersey median
Medicare services
1,086vs 1,38221% below
Medicare patients
271vs 37127% below
Part D claims
3,159vs 9453.3 times

Medians across 397 nephrologists in New Jersey with Dmand AI profiles that report each measure.

James Demos' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by James Demos

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Medicare shows one payer. Book a meeting to get commercial claims data for James Demos and other nephrologists in New Jersey.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

James Demos treated 271 Medicare patients in 2024, average age 72

CMS counts 271 Medicare patients who saw James Demos in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts James Demos' median patient age at 58, with 47% women.

Medicare patients, 2024271
Average age72
Average risk score1.01
Also on Medicaid9%

James Demos' Medicare patients by age, 2024

James Demos' Medicare patients by sex, 2024

  • Women13550%
  • Men13650%

Chronic conditions among James Demos' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Ischemic heart disease26%
  5. Diabetes24%
  6. Anxiety18%
  7. Cancer17%
  8. Mood disorders16%

Share of Medicare patients with each condition. A patient can have several.

James Demos' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women47%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

James Demos wrote 3,801 Medicare Part D claims in 2024

In 2024, James Demos wrote 3,801 Medicare Part D claims for 435 patients. 90% of them were for generic drugs. CMS names the drug for 3,159 of them, across 77 drugs with 11 or more claims each, at $216,505 in total drug cost. In 2023, CMS named 3,718 claims across 94 drugs.

Part D claims, 20243,801
Drugs named by CMS77
Total drug cost$216,505
Part D patients435

James Demos' Part D claims by kind of drug, 2024

  • Generic3,404 claims90%
  • Brand-name373 claims10%
  • Other24 claims1%

James Demos' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in James Demos' Part D claims, 2024

  • Opioids1%49 of 3,801 claims
  • Antibiotics4%140 of 3,801 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,7182024: 3,15915%

Drugs named by CMS: 77 in 2024, 94 in 2023.

See all prescribing by James Demos

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

James Demos scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for James Demos for performance year 2024, reported through an alternative payment model (APM). James Demos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

James Demos' MIPS scores, performance year 2024

  • 96of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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James Demos received $5,632 in industry payments from 2016 to 2025

CMS Open Payments shows 367 general payments to James Demos from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $963.

General payments to James Demos by program year, 2016 to 2025

General payments to James Demos by kind, 2016 to 2025

$5.6Kin total
  • Food and beverage$5,608100%
  • Speaker and faculty fees$130%
  • Education$110%

Companies that paid James Demos the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to James Demos

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for James Demos's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about James Demos

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is James Demos' NPI number?

James Demos' NPI number is 1457353872. It was assigned on August 15, 2005, and it is active in the NPI Registry.

What does James Demos specialize in?

James Demos is a nephrologist in Old Bridge, New Jersey. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does James Demos practice?

James Demos practices at 300 Perrine Rd Suite 324 Suite 324, Old Bridge, NJ 08857-3628. James Demos' primary practice is Hmhmg Primary Care in Old Bridge, New Jersey. Dmand AI also links James Demos to 1 hospital and 1 home health agency.

What is James Demos' office phone number?

The practice phone on file for James Demos is (732) 753-9890.

What is James Demos' medical license number?

James Demos holds New Jersey license 25MA04896400.

Which hospitals is James Demos affiliated with?

James Demos is affiliated with JFK University Medical Center. Dmand AI links James Demos to 1 more hospital.

What medical group is James Demos part of?

James Demos is linked to Hackensack Meridian Medical Group.

Does James Demos accept Medicare?

Yes. CMS data shows James Demos billed Medicare for 1,086 services in 2024, and James Demos accepts Medicare assignment.

What is James Demos' MIPS score?

James Demos' MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does James Demos see?

CMS counts 271 Medicare patients who saw James Demos in 2024, with an average age of 72.

Show 4 more questionsShow fewer questions

What services does James Demos bill to Medicare?

In 2024, James Demos' most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and heart test or procedure (93000).

What drugs does James Demos prescribe most?

In 2024 Medicare Part D data, James Demos' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has James Demos received payments from drug or device companies?

CMS Open Payments shows $5,632 in general payments to James Demos from 39 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has James Demos been practicing?

James Demos graduated from medical school in 1984, 42 years ago.

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