Dr. James Peter Cornetet, MD

  • Billings, MT
  • Ophthalmologist
NPI1306868153PAC ID7214980903
Medicare services, 2024
3,075
Medicare patients, 2024
1,075
Part D claims, 2024
2,243
MIPS score, 2024
87
Hospital affiliations
3
Practice address
2800 10th Ave N, Billings, MT 59101
Practice phone
Call (406) 657-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Billings Clinic Hospital

Hospital · Billings, Montana

See all 7 affiliations

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Dr. James Peter Cornetet is an ophthalmologist in Billings, Montana

Dr. Cornetet practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.

Dr. Cornetet's NPI, 1306868153, was assigned on July 24, 2006. Dr. Cornetet graduated from Medical University of South Carolina College of Medicine in 1996. Dr. Cornetet holds Montana license 9800.

NPI and contact details
Medicare PAC ID
7214980903
NPI enumeration date
July 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(406) 657-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. James Peter Cornetet practices at Billings Clinic Hospital in Billings, Montana

Dr. Cornetet's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.

Source: Dmand AI Affiliation Data

Dr. James Peter Cornetet is affiliated with 5 sites of care and 2 medical groups

Dr. Cornetet's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dr. Cornetet is also affiliated with St. Vincent Regional Hospital. The medical group on file is Billings Clinic. Dmand AI also links Dr. Cornetet to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Cornetet

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Peter Cornetet's practice

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

EHR by site
SiteEHR vendor and product
Billings Clinic HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Peter Cornetet is one of 48 ophthalmologists in Montana

Ophthalmology is Dr. Cornetet's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Cornetet is licensed in Montana.

Specialties and state licenses

  • Ophthalmology, MontanaPrimaryLicense 9800 · taxonomy 207W00000X

Ophthalmologists near Dr. Cornetet

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

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

Dr. James Peter Cornetet billed Medicare for 3,075 services in 2024

CMS data shows 3,075 Medicare services from Dr. Cornetet across 13 procedure codes in 2024, for 1,075 Medicare patients. Medicare paid $97,513 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20243,075
Medicare patients1,075
Paid by Medicare$97,513
Procedure codes13

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

  • 2023
  • 2024
Tests and treatments
2023: 2,1912024: 2,3859%
Office and hospital visits
2023: 7162024: 35151%
Other services
2023: 02024: 316
Surgery
2023: 132024: 2377%

Dr. Cornetet compared with the Montana median for ophthalmologists, 2024

  • Dr. Cornetet
  • Montana median
Medicare services
3,075vs 2,68614% above
Medicare patients
1,075vs 81532% above
Part D claims
2,142vs 5164.2 times

Medians across 53 ophthalmologists in Montana with Dmand AI profiles that report each measure.

Dr. Cornetet'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. Cornetet

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

Dr. James Peter Cornetet treated 1,075 Medicare patients in 2024, average age 76

CMS counts 1,075 Medicare patients who saw Dr. Cornetet in 2024. The largest group is 75 to 84, with 478 patients. 69% of them have high blood pressure, and 65% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cornetet's median patient age at 77, with 63% women.

Medicare patients, 20241,075
Average age76
Average risk score1.04
Also on Medicaid7%

Dr. Cornetet's Medicare patients by age, 2024

Dr. Cornetet's Medicare patients by sex, 2024

  • Women68464%
  • Men39136%

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

  1. High blood pressure69%
  2. High cholesterol65%
  3. Arthritis47%
  4. Diabetes31%
  5. Mood disorders26%
  6. Depression24%
  7. Osteoporosis22%
  8. Anxiety21%

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

Dr. Cornetet's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Dr. James Peter Cornetet wrote 2,243 Medicare Part D claims in 2024

In 2024, Dr. Cornetet wrote 2,243 Medicare Part D claims for 401 patients. 56% of them were for generic drugs. CMS names the drug for 2,142 of them, across 17 drugs with 11 or more claims each, at $249,436 in total drug cost. In 2023, CMS named 2,052 claims across 17 drugs.

Part D claims, 20242,243
Drugs named by CMS17
Total drug cost$249,436
Part D patients401

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

  • Generic1,266 claims56%
  • Brand-name977 claims44%

Dr. Cornetet'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,0522024: 2,1424%

Drugs named by CMS: 17 in 2024, 17 in 2023.

See all prescribing by Dr. Cornetet

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. James Peter Cornetet scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Cornetet for performance year 2024, reported through an alternative payment model (APM). Dr. Cornetet accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Dr. Cornetet, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Cornetet's MIPS scores, performance year 2024

  • 87of 100Final score
  • 71.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Cornetet ranks in Medicare procedure volume

Cataract surgery
48th percentile24 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. James Peter Cornetet received $17 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. Cornetet from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $17.

Companies that paid Dr. Cornetet the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Cornetet

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

Dr. James Peter Cornetet graduated from Medical University of South Carolina College of Medicine

Dr. Cornetet graduated from Medical University of South Carolina College of Medicine in 1996.

  1. Medical schoolMedical University of South Carolina College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James Peter Cornetet'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 DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. James Peter Cornetet

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. James Peter Cornetet's NPI number?

Dr. James Peter Cornetet's NPI number is 1306868153. It was assigned on July 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James Peter Cornetet?

Dr. James Peter Cornetet is an ophthalmologist in Billings, Montana. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. James Peter Cornetet practice?

Dr. Cornetet practices at 2800 10th Ave N, Billings, MT 59101. Dr. Cornetet's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Dr. Cornetet to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. James Peter Cornetet's office phone number?

The practice phone on file for Dr. Cornetet is (406) 657-4000.

What is Dr. James Peter Cornetet's medical license number?

Dr. Cornetet holds Montana license 9800.

Which hospitals is Dr. James Peter Cornetet affiliated with?

Dr. Cornetet practices at Billings Clinic Hospital in Billings, Montana. Dr. Cornetet is also affiliated with St. Vincent Regional Hospital. Dmand AI links Dr. Cornetet to 1 more hospital.

What medical group is Dr. James Peter Cornetet part of?

Dr. Cornetet is linked to Billings Clinic. Dmand AI links Dr. Cornetet to 1 more medical group.

Does Dr. James Peter Cornetet accept Medicare?

Yes. CMS data shows Dr. Cornetet billed Medicare for 3,075 services in 2024, and Dr. Cornetet accepts Medicare assignment.

What is Dr. James Peter Cornetet's MIPS score?

Dr. Cornetet's MIPS final score for performance year 2024 is 87 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. James Peter Cornetet see?

CMS counts 1,075 Medicare patients who saw Dr. Cornetet in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. James Peter Cornetet bill to Medicare?

In 2024, Dr. Cornetet's most billed Medicare services were eye exam or test (92014), eye exam or test (92134) and medicare service (G2211).

Where did Dr. James Peter Cornetet go to medical school?

Dr. Cornetet graduated from Medical University of South Carolina College of Medicine in 1996.

What drugs does Dr. James Peter Cornetet prescribe most?

In 2024 Medicare Part D data, Dr. Cornetet's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.

Has Dr. James Peter Cornetet received payments from drug or device companies?

CMS Open Payments shows $17 in general payments to Dr. Cornetet from 1 company from 2019 to 2019. The largest total came from Glaukos Corporation.

How long has Dr. James Peter Cornetet been practicing?

Dr. Cornetet graduated from medical school in 1996, 30 years ago.

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