Antihypertensive AgentsEpoprostenolHypertension, Pulmonary
Dr. Steven R. Knoper, MD
NPI1427157718PAC ID3870621493
- Medicare services, 2024
- 99
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 733
- Publications
- 1
- MIPS score, 2024
- 93
- Practice address
- 2800 East Ajo Way, Tucson, AZ 85713
- Practice phone
- Call (520) 874-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knoper's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Steven R. Knoper is a pulmonologist in Tucson, Arizona
Dr. Knoper practices at Banner - University Medical Center South in Tucson, Arizona, part of Banner Health.
Dr. Knoper's NPI, 1427157718, was assigned on September 22, 2006. Dr. Knoper graduated from University of Washington School of Medicine in 1983. Dr. Knoper holds Arizona license 16883.
NPI and contact details
- NPI
- 1427157718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870621493
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 874-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven R. Knoper practices at Banner - University Medical Center South in Tucson, Arizona
Dr. Knoper's primary practice is Banner - University Medical Center South, at 2800 East Ajo Way, Tucson, AZ 85713 in Pima County. The practice phone is (520) 874-2000.
- Banner - University Medical Center South2800 East Ajo Way, Tucson, AZ 85713 · Pima CountyPhone(520) 874-2000
Source: Dmand AI Affiliation Data
Dr. Steven R. Knoper is affiliated with 2 sites of care and 1 medical group
Dr. Knoper's primary practice is Banner - University Medical Center South in Tucson, Arizona, part of Banner Health. Dr. Knoper is also affiliated with Banner - University Medical Center Tucson. The medical group on file is Banner Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven R. Knoper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knoper practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner - University Medical Center South | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven R. Knoper is one of 255 pulmonologists in Arizona
Pulmonary disease is Dr. Knoper's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Knoper is licensed in Arizona.
Specialties and state licenses
- Pulmonary disease, ArizonaPrimary
Pulmonologists near Dr. Knoper
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
255pulmonologists in Arizona44pulmonologists in Tucson4pulmonologists at Banner - University Medical Center South
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven R. Knoper billed Medicare for 99 services in 2024
CMS data shows 99 Medicare services from Dr. Knoper across 3 procedure codes in 2024, for 40 Medicare patients. Medicare paid $9,715 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202499
Medicare patients40
Paid by Medicare$9,715
Procedure codes3
Dr. Knoper's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1572024: 9937%
Dr. Knoper compared with the Arizona median for pulmonologists, 2024
- Dr. Knoper
- Arizona median
- Medicare services
- 99vs 77987% below
- Medicare patients
- 40vs 31287% below
- Part D claims
- 662vs 37875% above
Medians across 246 pulmonologists in Arizona with Dmand AI profiles that report each measure.
Dr. Knoper'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knoper and other pulmonologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven R. Knoper treated 40 Medicare patients in 2024, average age 70
CMS counts 40 Medicare patients who saw Dr. Knoper in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Knoper's median patient age at 68, with 42% women.
Medicare patients, 202440
Average age70
Average risk score3.18
Dr. Knoper's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Knoper's Medicare patients by sex, 2024
- Women1743%
- Men2357%
Chronic conditions among Dr. Knoper's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD70%
- Diabetes65%
- Heart failure55%
- Chronic kidney disease53%
- Anxiety50%
- Ischemic heart disease50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knoper'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
- Women42%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven R. Knoper wrote 733 Medicare Part D claims in 2024
In 2024, Dr. Knoper wrote 733 Medicare Part D claims for 44 patients. 86% of them were for generic drugs. CMS names the drug for 662 of them, across 13 drugs with 11 or more claims each, at $450,873 in total drug cost. In 2023, CMS named 866 claims across 17 drugs.
Part D claims, 2024733
Drugs named by CMS13
Total drug cost$450,873
Part D patients44
Dr. Knoper's Part D claims by kind of drug, 2024
- Generic628 claims86%
- Brand-name and other105 claims14%
Dr. Knoper'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. Knoper's Part D claims, 2024
- Antibiotics26%193 of 733 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: 8662024: 66224%
Drugs named by CMS: 13 in 2024, 17 in 2023.
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. Steven R. Knoper scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Knoper for performance year 2024, reported through an alternative payment model (APM). Dr. Knoper accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Knoper's MIPS scores, performance year 2024
- 93of 100Final score
- 74.6of 100Quality
- 99of 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
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Dr. Steven R. Knoper has 1 publication on record
Dmand AI links 1 paper to Dr. Knoper in 2017. Dr. Knoper's most frequent co-authors are Aiden Abidov, MD, PhD, Ankit Ajit Desai, MD and Marc Alan Simon, MD.
Papers1
Dr. Knoper's most frequent co-authors
- Aiden Abidov, MD, PhD1 shared paper
- Ankit Ajit Desai, MD1 shared paper
- Marc Alan Simon, MD1 shared paper
Recent publications by Dr. Knoper
See who Dr. Knoper researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Knoper works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Steven R. Knoper received $259 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Knoper from 2 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 77% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $200.
General payments to Dr. Knoper by program year, 2024 to 2025
General payments to Dr. Knoper by kind, 2024 to 2025
$259in total
- Consulting fees$20077%
- Food and beverage$5923%
Companies that paid Dr. Knoper the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven R. Knoper graduated from University of Washington School of Medicine
Dr. Knoper graduated from University of Washington School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven R. Knoper's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steven R. Knoper
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. Steven R. Knoper's NPI number?
Dr. Steven R. Knoper's NPI number is 1427157718. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven R. Knoper?
Dr. Steven R. Knoper is a pulmonologist in Tucson, Arizona. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Steven R. Knoper practice?
Dr. Knoper practices at 2800 East Ajo Way, Tucson, AZ 85713. Dr. Knoper's primary practice is Banner - University Medical Center South in Tucson, Arizona, part of Banner Health.
What is Dr. Steven R. Knoper's office phone number?
The practice phone on file for Dr. Knoper is (520) 874-2000.
What is Dr. Steven R. Knoper's medical license number?
Dr. Knoper holds Arizona license 16883.
Which hospitals is Dr. Steven R. Knoper affiliated with?
Dr. Knoper practices at Banner - University Medical Center South in Tucson, Arizona. Dr. Knoper is also affiliated with Banner - University Medical Center Tucson.
What medical group is Dr. Steven R. Knoper part of?
Dr. Knoper is linked to Banner Medical Group.
Does Dr. Steven R. Knoper accept Medicare?
Yes. CMS data shows Dr. Knoper billed Medicare for 99 services in 2024, and Dr. Knoper accepts Medicare assignment.
What is Dr. Steven R. Knoper's MIPS score?
Dr. Knoper's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Steven R. Knoper see?
CMS counts 40 Medicare patients who saw Dr. Knoper in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Steven R. Knoper bill to Medicare?
In 2024, Dr. Knoper's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99238).
Where did Dr. Steven R. Knoper go to medical school?
Dr. Knoper graduated from University of Washington School of Medicine in 1983.
What drugs does Dr. Steven R. Knoper prescribe most?
In 2024 Medicare Part D data, Dr. Knoper's most prescribed drugs by claims were Prednisone, Azithromycin and Tacrolimus.
Has Dr. Steven R. Knoper received payments from drug or device companies?
CMS Open Payments shows $259 in general payments to Dr. Knoper from 2 companies from 2024 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Steven R. Knoper been practicing?
Dr. Knoper graduated from medical school in 1983, 43 years ago.
Does Dr. Steven R. Knoper do research?
Dmand AI links 1 publication to Dr. Knoper.
Who does Dr. Steven R. Knoper publish with?
Dr. Knoper's most frequent co-authors are Aiden Abidov, MD, PhD (1 shared paper), Ankit Ajit Desai, MD (1 shared paper) and Marc Alan Simon, MD (1 shared paper).
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