Dr. Stephen J. Knohl, MD

  • Syracuse, NY
  • Nephrologist
NPI1144258567PAC ID5193860229
Medicare services, 2024
98
Medicare patients, 2024
68
Part D claims, 2024
321
Publications
14
MIPS score, 2024
88
Practice address
90 Presidential Plz, Syracuse, NY 13202
Practice phone
Call (315) 464-4505
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr In

Syracuse, New York

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Dr. Stephen J. Knohl is a nephrologist in Syracuse, New York

Dr. Knohl practices at Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr In in Syracuse, New York.

Dr. Knohl's NPI, 1144258567, was assigned on June 28, 2006. Dr. Knohl graduated from State University of New York at Buffalo School of Medicine in 1997. Dr. Knohl holds New York license 213082.

NPI and contact details
Medicare PAC ID
5193860229
NPI enumeration date
June 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(315) 464-4505
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. Stephen J. Knohl practices at Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr in in Syracuse, New York

Dr. Knohl's primary practice is Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr in, at 90 Presidential Plz, Syracuse, NY 13202 in Onondaga County. The practice phone is (315) 464-4505.

  • Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr in
    90 Presidential Plz, Syracuse, NY 13202 · Onondaga CountyPhone(315) 464-4505

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

Dr. Stephen J. Knohl is affiliated with 3 sites of care and 1 medical group

Dr. Knohl's primary practice is Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr In in Syracuse, New York. Dr. Knohl is also affiliated with Upstate University Hospital. The medical group on file is Department of Medicine. Dmand AI also links Dr. Knohl to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Knohl

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

Dmand AI tracks the EHR system at Dr. Stephen J. Knohl's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knohl practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr InAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Stephen J. Knohl is one of 914 nephrologists in New York

Nephrology is Dr. Knohl's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Knohl is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 213082 · taxonomy 207RN0300X

Nephrologists near Dr. Knohl

Counts of nephrologists 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. Stephen J. Knohl billed Medicare for 98 services in 2024

CMS data shows 98 Medicare services from Dr. Knohl across 3 procedure codes in 2024, for 68 Medicare patients. Medicare paid $4,707 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202498
Medicare patients68
Paid by Medicare$4,707
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 142024: 71407%
Tests and treatments
2023: 02024: 27

Dr. Knohl compared with the New York median for nephrologists, 2024

  • Dr. Knohl
  • New York median
Medicare services
98vs 68986% below
Medicare patients
68vs 21769% below
Part D claims
311vs 43629% below

Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.

Dr. Knohl'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. Knohl and other nephrologists in New York.

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

Dr. Stephen J. Knohl treated 68 Medicare patients in 2024, average age 70

CMS counts 68 Medicare patients who saw Dr. Knohl in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 4.19, 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. Knohl's median patient age at 63, with 54% women.

Medicare patients, 202468
Average age70
Average risk score4.19
Also on Medicaid31%

Dr. Knohl's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Knohl's Medicare patients by sex, 2024

  • Women3450%
  • Men3450%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease71%
  4. Diabetes54%
  5. Heart failure51%
  6. Depression46%
  7. Mood disorders46%
  8. Ischemic heart disease43%

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

Dr. Knohl's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Dr. Stephen J. Knohl wrote 321 Medicare Part D claims in 2024

In 2024, Dr. Knohl wrote 321 Medicare Part D claims for 45 patients. 98% of them were for generic drugs. CMS names the drug for 311 of them, across 8 drugs with 11 or more claims each, at $16,826 in total drug cost. In 2023, CMS named 313 claims across 7 drugs.

Part D claims, 2024321
Drugs named by CMS8
Total drug cost$16,826
Part D patients45

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

  • Generic313 claims98%
  • Brand-name and other8 claims2%

Dr. Knohl'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: 3132024: 3111%

Drugs named by CMS: 8 in 2024, 7 in 2023.

See all prescribing by Dr. Knohl

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. Stephen J. Knohl scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Knohl for performance year 2024, reported as part of a group. Dr. Knohl accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Knohl as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Knohl's MIPS scores, performance year 2024

  • 88of 100Final score
  • 72of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 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

For MedTech and pharma teams

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Dr. Stephen J. Knohl has 14 publications on record

Dmand AI links 14 papers to Dr. Knohl, published from 2013 to 2024. 2023 was the busiest year, with 6. The most frequent topics are Clinical Competence, Electrocardiography and Delivery of Health Care. Dr. Knohl has published most often in Curr Probl Cardiol. Dr. Knohl's most frequent co-authors are Kurt B. Angstman, MD, Thomas J. Beckman, MD and Michael William Cullen, MD.

Papers14
Years published2013 to 2024

Dr. Knohl's papers by year, 2013 to 2024

Topics Dr. Knohl writes about most

  • Clinical Competence
  • Electrocardiography
  • Delivery of Health Care

Dr. Knohl's most frequent co-authors

Recent publications by Dr. Knohl

See all 14 publications and co-authors

See who Dr. Knohl researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Knohl works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Stephen J. Knohl received $119 in industry payments in 2018

CMS Open Payments shows 1 general payment to Dr. Knohl from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $119.

Companies that paid Dr. Knohl the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Knohl

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

Dr. Stephen J. Knohl graduated from State University of New York at Buffalo School of Medicine

Dr. Knohl graduated from State University of New York at Buffalo School of Medicine in 1997.

  1. Medical schoolState University of New York at Buffalo School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Stephen J. Knohl'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Stephen J. Knohl

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. Stephen J. Knohl's NPI number?

Dr. Stephen J. Knohl's NPI number is 1144258567. It was assigned on June 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen J. Knohl?

Dr. Stephen J. Knohl is a nephrologist in Syracuse, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Stephen J. Knohl practice?

Dr. Knohl practices at 90 Presidential Plz, Syracuse, NY 13202. Dr. Knohl's primary practice is Department of Medicine Medical Serv Grp at SUNY Hlth Sci Ctr Syr In in Syracuse, New York. Dmand AI also links Dr. Knohl to 1 group practice or clinic.

What is Dr. Stephen J. Knohl's office phone number?

The practice phone on file for Dr. Knohl is (315) 464-4505.

What is Dr. Stephen J. Knohl's medical license number?

Dr. Knohl holds New York license 213082.

Which hospitals is Dr. Stephen J. Knohl affiliated with?

Dr. Knohl is affiliated with Upstate University Hospital.

What medical group is Dr. Stephen J. Knohl part of?

Dr. Knohl is linked to Department of Medicine.

Does Dr. Stephen J. Knohl accept Medicare?

Yes. CMS data shows Dr. Knohl billed Medicare for 98 services in 2024, and Dr. Knohl accepts Medicare assignment.

Does Dr. Stephen J. Knohl offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Knohl as offering telehealth services.

What is Dr. Stephen J. Knohl's MIPS score?

Dr. Knohl's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Stephen J. Knohl see?

CMS counts 68 Medicare patients who saw Dr. Knohl in 2024, with an average age of 70.

What services does Dr. Stephen J. Knohl bill to Medicare?

In 2024, Dr. Knohl's most billed Medicare services were hospital inpatient care (99231), dialysis (90935) and hospital inpatient care (99232).

Where did Dr. Stephen J. Knohl go to medical school?

Dr. Knohl graduated from State University of New York at Buffalo School of Medicine in 1997.

What drugs does Dr. Stephen J. Knohl prescribe most?

In 2024 Medicare Part D data, Dr. Knohl's most prescribed drugs by claims were Potassium Citrate ER, Chlorthalidone and Indapamide.

Has Dr. Stephen J. Knohl received payments from drug or device companies?

CMS Open Payments shows $119 in general payments to Dr. Knohl from 1 company from 2018 to 2018. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Stephen J. Knohl been practicing?

Dr. Knohl graduated from medical school in 1997, 29 years ago.

Does Dr. Stephen J. Knohl do research?

Dmand AI links 14 publications to Dr. Knohl, published from 2013 to 2024.

Who does Dr. Stephen J. Knohl publish with?

Dr. Knohl's most frequent co-authors are Kurt B. Angstman, MD (6 shared papers), Thomas J. Beckman, MD (6 shared papers) and Michael William Cullen, MD (6 shared papers).

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