Dr. Louis J. Arno, MD

  • Flemington, NJ
  • Pulmonologist
NPI1720185978PAC ID4082511415
Medicare services, 2024
1,169
Medicare patients, 2024
294
Part D claims, 2024
1,626
MIPS score, 2024
85
Hospital affiliations
2
Practice address
3 Minneakoning Rd, Flemington, NJ 08822
Practice phone
Call (908) 237-1148
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hunterdon Pulmonary & Critical Care

Flemington, New Jersey

See all 7 affiliations

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Dr. Louis J. Arno is a pulmonologist in Flemington, New Jersey

Dr. Arno practices at Hunterdon Pulmonary & Critical Care in Flemington, New Jersey.

Dr. Arno's NPI, 1720185978, was assigned on September 20, 2006. Dr. Arno holds New Jersey license MA55142.

NPI and contact details
Medicare PAC ID
4082511415
NPI enumeration date
September 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(908) 237-1148
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Louis J. Arno practices at Hunterdon Pulmonary & Critical Care in Flemington, New Jersey

Dr. Arno's primary practice is Hunterdon Pulmonary & Critical Care, at 3 Minneakoning Rd, Flemington, NJ 08822 in Hunterdon County. The practice phone is (908) 237-1148.

  • Hunterdon Pulmonary & Critical Care
    3 Minneakoning Rd, Flemington, NJ 08822 · Hunterdon CountyPhone(908) 237-1148

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Louis J. Arno is affiliated with 6 sites of care and 1 medical group

Dr. Arno's primary practice is Hunterdon Pulmonary & Critical Care in Flemington, New Jersey. Dr. Arno is also affiliated with Hunterdon Medical Center. The medical group on file is Hunterdon Health. Dmand AI also links Dr. Arno to 1 more hospital, 2 physician offices and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Arno

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Louis J. Arno's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arno practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hunterdon Pulmonary & Critical CareAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Louis J. Arno is one of 442 pulmonologists in New Jersey

Pulmonary disease is Dr. Arno's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Arno is licensed in New Jersey.

Specialties and state licenses

  • Pulmonary disease, New JerseyPrimaryLicense MA55142 · taxonomy 207RP1001X

Pulmonologists near Dr. Arno

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

442pulmonologists in New Jersey
9pulmonologists in Flemington

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

Dr. Louis J. Arno billed Medicare for 1,169 services in 2024

CMS data shows 1,169 Medicare services from Dr. Arno across 7 procedure codes in 2024, for 294 Medicare patients. Medicare paid $73,796 for them. Every service was in an office.

Medicare services, 20241,169
Medicare patients294
Paid by Medicare$73,796
Procedure codes7

Dr. Arno's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 5682024: 66717%
Office and hospital visits
2023: 5422024: 5027%
Drugs given in the office
2023: 632024: 0100%

Dr. Arno compared with the New Jersey median for pulmonologists, 2024

  • Dr. Arno
  • New Jersey median
Medicare services
1,169vs 1,173Close to median
Medicare patients
294vs 42330% below
Part D claims
1,513vs 87972% above

Medians across 447 pulmonologists in New Jersey with Dmand AI profiles that report each measure.

Dr. Arno's 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 Dr. Arno

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

Dr. Louis J. Arno treated 294 Medicare patients in 2024, average age 75

CMS counts 294 Medicare patients who saw Dr. Arno in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Arno's median patient age at 68, with 53% women.

Medicare patients, 2024294
Average age75
Average risk score1.34
Also on Medicaid6%

Dr. Arno's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Arno's Medicare patients by sex, 2024

  • Women15452%
  • Men14048%

Chronic conditions among Dr. Arno's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. COPD53%
  4. Arthritis51%
  5. Ischemic heart disease40%
  6. Asthma35%
  7. Diabetes31%
  8. Anxiety29%

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

Dr. Arno's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women53%
  • Men41%

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

Dr. Louis J. Arno wrote 1,626 Medicare Part D claims in 2024

In 2024, Dr. Arno wrote 1,626 Medicare Part D claims for 246 patients. 36% of them were for generic drugs. CMS names the drug for 1,513 of them, across 21 drugs with 11 or more claims each, at $1,029,144 in total drug cost. In 2023, CMS named 1,590 claims across 24 drugs.

Part D claims, 20241,626
Drugs named by CMS21
Total drug cost$1M
Part D patients246

Dr. Arno's Part D claims by kind of drug, 2024

  • Generic583 claims36%
  • Brand-name1,043 claims64%

Dr. Arno's 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 Dr. Arno's Part D claims, 2024

  • Antibiotics4%64 of 1,626 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: 1,5902024: 1,5135%

Drugs named by CMS: 21 in 2024, 24 in 2023.

See all prescribing by Dr. Arno

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

Dr. Louis J. Arno scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Arno for performance year 2024, reported as part of a group. Dr. Arno accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Arno's MIPS scores, performance year 2024

  • 85of 100Final score
  • 80of 100Quality
  • 97of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

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

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Dr. Louis J. Arno received $15,703 in industry payments from 2016 to 2025

CMS Open Payments shows 968 general payments to Dr. Arno from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $4,128.

General payments to Dr. Arno by program year, 2016 to 2025

General payments to Dr. Arno by kind, 2016 to 2025

$15.7Kin total
  • Food and beverage$15,34998%
  • Consulting fees$3002%
  • Education$540%

Companies that paid Dr. Arno the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Arno

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

Sources for Dr. Louis J. Arno'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Dr. Louis J. Arno

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

What is Dr. Louis J. Arno's NPI number?

Dr. Louis J. Arno's NPI number is 1720185978. It was assigned on September 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Louis J. Arno?

Dr. Louis J. Arno is a pulmonologist in Flemington, New Jersey. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Louis J. Arno practice?

Dr. Arno practices at 3 Minneakoning Rd, Flemington, NJ 08822. Dr. Arno's primary practice is Hunterdon Pulmonary & Critical Care in Flemington, New Jersey. Dmand AI also links Dr. Arno to 1 hospital, 2 physician offices and 1 group practice or clinic.

What is Dr. Louis J. Arno's office phone number?

The practice phone on file for Dr. Arno is (908) 237-1148.

What is Dr. Louis J. Arno's medical license number?

Dr. Arno holds New Jersey license MA55142.

Which hospitals is Dr. Louis J. Arno affiliated with?

Dr. Arno is affiliated with Hunterdon Medical Center. Dmand AI links Dr. Arno to 1 more hospital.

What medical group is Dr. Louis J. Arno part of?

Dr. Arno is linked to Hunterdon Health.

Does Dr. Louis J. Arno accept Medicare?

Yes. CMS data shows Dr. Arno billed Medicare for 1,169 services in 2024, and Dr. Arno accepts Medicare assignment.

What is Dr. Louis J. Arno's MIPS score?

Dr. Arno's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Dr. Louis J. Arno see?

CMS counts 294 Medicare patients who saw Dr. Arno in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Louis J. Arno bill to Medicare?

In 2024, Dr. Arno's most billed Medicare services were office visit, established patient (99214), lung function service (94060) and lung function service (94727).

What drugs does Dr. Louis J. Arno prescribe most?

In 2024 Medicare Part D data, Dr. Arno's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Breo Ellipta.

Has Dr. Louis J. Arno received payments from drug or device companies?

CMS Open Payments shows $15,703 in general payments to Dr. Arno from 49 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Louis J. Arno been practicing?

Dr. Arno graduated from medical school in 1986, 40 years ago.

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