AldosteroneAntihypertensive AgentsAnuria
Dr. Henrikas Irmantas Juknis, MD
NPI1578531299PAC ID3274446216
- Medicare services, 2024
- 988
- Medicare patients, 2024
- 288
- Part D claims, 2024
- 1,249
- Publications
- 1
- MIPS score, 2024
- 59
- Practice address
- 6 Jungermann Cir, Saint Peters, MO 63376
- Practice phone
- Call (636) 441-2122
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Benrus Surgical at Barnes-Jewish St. Peters
Saint Peters, Missouri
Find Dr. Juknis' 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. Henrikas Irmantas Juknis is a nephrologist in Saint Peters, Missouri
Dr. Juknis practices at Benrus Surgical at Barnes-Jewish St. Peters in Saint Peters, Missouri.
Dr. Juknis' NPI, 1578531299, was assigned on March 9, 2006. Dr. Juknis graduated from Kaunas Medical Institute in 1989. Dr. Juknis holds Missouri license 2000158727.
NPI and contact details
- NPI
- 1578531299NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274446216
- NPI enumeration date
- March 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 441-2122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Henrikas Irmantas Juknis practices at Benrus Surgical at Barnes-Jewish St. Peters in Saint Peters, Missouri
Dr. Juknis' primary practice is Benrus Surgical at Barnes-Jewish St. Peters, at 6 Jungermann Cir, Saint Peters, MO 63376 in Saint Charles County. The practice phone is (636) 441-2122.
- Benrus Surgical at Barnes-Jewish St. Peters6 Jungermann Cir, Saint Peters, MO 63376 · Saint Charles CountyPhone(636) 441-2122
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Henrikas Irmantas Juknis is affiliated with 9 sites of care
Dr. Juknis' primary practice is Benrus Surgical at Barnes-Jewish St. Peters in Saint Peters, Missouri. Dr. Juknis is also affiliated with Barnes-Jewish St. Peters Hospital. Dmand AI also links Dr. Juknis to 4 more hospitals, 2 dialysis centers and 1 physician office, each named with a free account.
Benrus Surgical at Barnes-Jewish St. PetersPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Henrikas Irmantas Juknis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Juknis practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Benrus Surgical at Barnes-Jewish St. Peters | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Henrikas Irmantas Juknis is one of 249 nephrologists in Missouri
Nephrology is Dr. Juknis' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Juknis is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Juknis' licenses on file in 3 states: Missouri, North Dakota and Rhode Island.
Specialties and state licenses
- Nephrology, MissouriPrimary
- North Dakota license
- Rhode Island license
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Juknis treats.
Nephrologists near Dr. Juknis
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
249nephrologists in Missouri
9nephrologists in Saint Peters
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Henrikas Irmantas Juknis billed Medicare for 988 services in 2024
CMS data shows 988 Medicare services from Dr. Juknis across 8 procedure codes in 2024, for 288 Medicare patients. Medicare paid $77,969 for them.
Medicare services, 2024988
Medicare patients288
Paid by Medicare$77,969
Procedure codes8
Dr. Juknis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0082024: 89811%
- Tests and treatments
- 2023: 1132024: 9020%
Where Dr. Juknis' Medicare services took place, 2024
- In an office32833%
- In a facility66067%
Dr. Juknis compared with the Missouri median for nephrologists, 2024
- Dr. Juknis
- Missouri median
- Medicare services
- 988vs 85715% above
- Medicare patients
- 288vs 2716% above
- Part D claims
- 1,106vs 77942% above
Medians across 240 nephrologists in Missouri with Dmand AI profiles that report each measure.
Dr. Juknis' 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.
Need commercial claims for Dr. Juknis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Juknis and other nephrologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Henrikas Irmantas Juknis treated 288 Medicare patients in 2024, average age 77
CMS counts 288 Medicare patients who saw Dr. Juknis in 2024. The largest group is 75 to 84, with 123 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.85, 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. Juknis' median patient age at 75, with 44% women.
Medicare patients, 2024288
Average age77
Average risk score2.85
Also on Medicaid11%
Dr. Juknis' Medicare patients by age, 2024
Dr. Juknis' Medicare patients by sex, 2024
- Women13948%
- Men14952%
Chronic conditions among Dr. Juknis' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes56%
- Heart failure47%
- Ischemic heart disease42%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Juknis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Henrikas Irmantas Juknis wrote 1,249 Medicare Part D claims in 2024
In 2024, Dr. Juknis wrote 1,249 Medicare Part D claims for 204 patients. 85% of them were for generic drugs. CMS names the drug for 1,106 of them, across 21 drugs with 11 or more claims each, at $155,198 in total drug cost. In 2023, CMS named 1,083 claims across 21 drugs.
Part D claims, 20241,249
Drugs named by CMS21
Total drug cost$155,198
Part D patients204
Dr. Juknis' Part D claims by kind of drug, 2024
- Generic1,065 claims85%
- Brand-name184 claims15%
Dr. Juknis' 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. Juknis' Part D claims, 2024
- Antibiotics3%32 of 1,249 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: 1,0832024: 1,1062%
Drugs named by CMS: 21 in 2024, 21 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. Henrikas Irmantas Juknis scored 59 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 59 out of 100 for Dr. Juknis for performance year 2024, reported individually. Dr. Juknis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Juknis' MIPS scores, performance year 2024
- 59of 100Final score
- 63.3of 100Quality
- 0of 100Improvement Activities
- 94of 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. Henrikas Irmantas Juknis has 1 publication on record
Dmand AI links 1 paper to Dr. Juknis. Dr. Juknis' most frequent co-author is Evan D. Gross, MD.
Papers1
Dr. Juknis' most frequent co-authors
Recent publications by Dr. Juknis
See who Dr. Juknis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Juknis works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Henrikas Irmantas Juknis received $1,243 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Juknis from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $248.
General payments to Dr. Juknis by program year, 2016 to 2025
General payments to Dr. Juknis by kind, 2016 to 2025
$1.2Kin total
- Food and beverage$97679%
- Education$26621%
Companies that paid Dr. Juknis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Henrikas Irmantas Juknis serves on 3 committees
Dr. Juknis serves on Credentialing Committee, Medical Executive Committee and Pharmacy and Therapeutics Committee.
Dr. Juknis' committees and leadership roles
- Credentialing CommitteeChair
- 2017 to present
- Medical Executive CommitteeMember
- 2015 to present
- Pharmacy and Therapeutics CommitteeChair
- 2013 to present
Source: Dmand AI Professional Profile Data
Dr. Henrikas Irmantas Juknis graduated from Kaunas Medical Institute
Dr. Juknis graduated from Kaunas Medical Institute in 1989. Dr. Juknis is a member of AMA and ASN.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Henrikas Irmantas Juknis accepts plans from 18 insurance carriers
Dr. Juknis is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Humana
- +10 more carriersWith a free account
Plan types Dr. Juknis accepts, by number of carriers
- PPO13
- Medicare9
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Henrikas Irmantas Juknis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Henrikas Irmantas Juknis
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. Henrikas Irmantas Juknis' NPI number?
Dr. Henrikas Irmantas Juknis' NPI number is 1578531299. It was assigned on March 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Henrikas Irmantas Juknis?
Dr. Henrikas Irmantas Juknis is a nephrologist in Saint Peters, Missouri. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Henrikas Irmantas Juknis practice?
Dr. Juknis practices at 6 Jungermann Cir, Saint Peters, MO 63376. Dr. Juknis' primary practice is Benrus Surgical at Barnes-Jewish St. Peters in Saint Peters, Missouri. Dmand AI also links Dr. Juknis to 4 hospitals, 2 dialysis centers and 1 physician office.
What is Dr. Henrikas Irmantas Juknis' office phone number?
The practice phone on file for Dr. Juknis is (636) 441-2122.
What is Dr. Henrikas Irmantas Juknis' medical license number?
Dr. Juknis holds Missouri license 2000158727, one of the licenses on file in 3 states.
Which states has Dr. Henrikas Irmantas Juknis been licensed in?
Dmand AI has state licenses on file for Dr. Juknis in Missouri (2000 to 2026), North Dakota (1995 to 1998) and Rhode Island (1993 to 1995).
Which hospitals is Dr. Henrikas Irmantas Juknis affiliated with?
Dr. Juknis is affiliated with Barnes-Jewish St. Peters Hospital. Dmand AI links Dr. Juknis to 4 more hospitals.
Does Dr. Henrikas Irmantas Juknis accept Medicare?
Yes. CMS data shows Dr. Juknis billed Medicare for 988 services in 2024, and Dr. Juknis accepts Medicare assignment.
What is Dr. Henrikas Irmantas Juknis' MIPS score?
Dr. Juknis' MIPS final score for performance year 2024 is 59 out of 100, reported individually.
How many Medicare patients does Dr. Henrikas Irmantas Juknis see?
CMS counts 288 Medicare patients who saw Dr. Juknis in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. Henrikas Irmantas Juknis board certified?
Yes. Dr. Juknis is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Henrikas Irmantas Juknis bill to Medicare?
In 2024, Dr. Juknis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99213).
Where did Dr. Henrikas Irmantas Juknis go to medical school?
Dr. Juknis graduated from Kaunas Medical Institute in 1989.
What drugs does Dr. Henrikas Irmantas Juknis prescribe most?
In 2024 Medicare Part D data, Dr. Juknis' most prescribed drugs by claims were Amlodipine Besylate, Irbesartan and Lisinopril.
Has Dr. Henrikas Irmantas Juknis received payments from drug or device companies?
CMS Open Payments shows $1,243 in general payments to Dr. Juknis from 15 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Henrikas Irmantas Juknis been practicing?
Dr. Juknis graduated from medical school in 1989, 37 years ago.
Does Dr. Henrikas Irmantas Juknis do research?
Dmand AI links 1 publication to Dr. Juknis.
Who does Dr. Henrikas Irmantas Juknis publish with?
Dr. Juknis' most frequent co-authors are Evan D. Gross, MD (1 shared paper).
What insurance does Dr. Henrikas Irmantas Juknis accept?
Dr. Juknis is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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