Intervertebral Disc DegenerationIntervertebral Disc DisplacementLumbar Vertebrae
Dr. Louis G. Jenis, MD
NPI1285636993PAC ID5991756694
- Medicare services, 2024
- 69
- Medicare patients, 2024
- 77
- Part D claims, 2024
- 13
- Publications
- 11
- Hospital affiliations
- 1
- Practice address
- 5 Neponset Street, Worcester, MA 01606
- Practice phone
- Call (508) 853-2716
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Reliant Medical Group - Worcester - Neponset Street
Mammography / Breast Imaging Center · Worcester, Massachusetts
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Dr. Louis G. Jenis is an orthopedic surgeon in Worcester, Massachusetts
Dr. Jenis practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts.
Dr. Jenis' NPI, 1285636993, was assigned on August 12, 2005. Dr. Jenis graduated from Boston University School of Medicine in 1990. Dr. Jenis holds Massachusetts license 76427.
NPI and contact details
- NPI
- 1285636993NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991756694
- NPI enumeration date
- August 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 853-2716
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis G. Jenis practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts
Dr. Jenis' primary practice is Reliant Medical Group - Worcester - Neponset Street, at 5 Neponset Street, Worcester, MA 01606. The practice phone is (508) 853-2716.
- Reliant Medical Group - Worcester - Neponset Street5 Neponset Street, Worcester, MA 01606Phone(508) 853-2716
Source: Dmand AI Affiliation Data
Dr. Louis G. Jenis is affiliated with 2 sites of care and 3 medical groups
Dr. Jenis' primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dr. Jenis is also affiliated with Saint Vincent Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Jenis to 2 more medical groups, each named with a free account. Dr. Jenis' employer is on file too: a breast imaging center.
Reliant Medical Group - Worcester - Neponset StreetPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Louis G. Jenis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jenis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Reliant Medical Group - Worcester - Neponset Street | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis G. Jenis is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Jenis' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Jenis is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Jenis
Counts of orthopedic surgeons 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. Louis G. Jenis billed Medicare for 69 services in 2024
CMS data shows 69 Medicare services from Dr. Jenis across 2 procedure codes in 2024, all of them office visits, for 77 Medicare patients. Medicare paid $4,526 for them. Every service was in an office.
Medicare services, 202469
Medicare patients77
Paid by Medicare$4,526
Procedure codes2
Dr. Jenis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 822024: 6916%
Dr. Jenis compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Jenis
- Massachusetts median
- Medicare services
- 69vs 67290% below
- Medicare patients
- 77vs 30275% below
- Part D claims
- 16vs 5068% below
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Jenis' 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. Jenis and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis G. Jenis treated 77 Medicare patients in 2024, average age 73
CMS counts 77 Medicare patients who saw Dr. Jenis in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jenis' median patient age at 64, with 53% women.
Medicare patients, 202477
Average age73
Average risk score1.44
Also on Medicaid18%
Dr. Jenis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jenis' Medicare patients by sex, 2024
- Women3647%
- Men4153%
Chronic conditions among Dr. Jenis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Ischemic heart disease42%
- Diabetes39%
- Anxiety34%
- Mood disorders32%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jenis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis G. Jenis wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Jenis wrote 13 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. They cover 1 drug, with $96 in total drug cost.
Part D claims, 202413
Drugs named by CMS1
Total drug cost$96
Part D patients11
Dr. Jenis' most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Dr. Louis G. Jenis takes part in Medicare
Dr. Jenis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Louis G. Jenis has 11 publications on record
Dmand AI links 11 papers to Dr. Jenis, published from 2016 to 2018. 2018 was the busiest year, with 2. The most frequent topics are Lumbar Vertebrae, Intervertebral Disc Degeneration and Magnetic Resonance Imaging. Dr. Jenis has published most often in Clin Spine Surg. Dr. Jenis' most frequent co-authors are Heeren S. Makanji, MD, Kirkham Berwick Wood, MD and Jessica P. Aidlen, MD.
Papers11
Years published2016 to 2018
Dr. Jenis' papers by year, 2016 to 2018
Topics Dr. Jenis writes about most
- Lumbar Vertebrae
- Intervertebral Disc Degeneration
- Magnetic Resonance Imaging
- Spinal Fusion
- Cervical Vertebrae
- Decompression, Surgical
- Diagnosis, Differential
- Pain
Dr. Jenis' most frequent co-authors
- Heeren S. Makanji, MD2 shared papers
- Kirkham Berwick Wood, MD2 shared papers
- Jessica P. Aidlen, MD1 shared paper
Recent publications by Dr. Jenis
Decompression, SurgicalIntervertebral Disc DegenerationLumbar Vertebrae
J Bone Joint Surg Am
Antibiotic ProphylaxisBlood Loss, SurgicalInfection Control
See who Dr. Jenis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jenis works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louis G. Jenis received $182,604 in industry payments from 2016 to 2025
CMS Open Payments shows 113 general payments to Dr. Jenis from 7 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 85% of the total. Stryker Corporation paid the most, $178,224.
General payments to Dr. Jenis by program year, 2016 to 2025
General payments to Dr. Jenis by kind, 2016 to 2025
$182.6Kin total
- Royalties and licenses$155,96285%
- Consulting fees$14,6008%
- Food and beverage$8,7495%
- Honoraria$1,7501%
- Travel and lodging$1,5431%
Companies that paid Dr. Jenis 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. Louis G. Jenis graduated from Boston University School of Medicine
Dr. Jenis graduated from Boston University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Louis G. Jenis'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)Doctors and Clinicians Utilization Data (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. Louis G. Jenis
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 G. Jenis' NPI number?
Dr. Louis G. Jenis' NPI number is 1285636993. It was assigned on August 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis G. Jenis?
Dr. Louis G. Jenis is an orthopedic surgeon in Worcester, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Louis G. Jenis practice?
Dr. Jenis practices at 5 Neponset Street, Worcester, MA 01606. Dr. Jenis' primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dmand AI also links Dr. Jenis to 2 medical groups.
What is Dr. Louis G. Jenis' office phone number?
The practice phone on file for Dr. Jenis is (508) 853-2716.
What is Dr. Louis G. Jenis' medical license number?
Dr. Jenis holds Massachusetts license 76427.
Which hospitals is Dr. Louis G. Jenis affiliated with?
Dr. Jenis is affiliated with Saint Vincent Hospital.
What medical group is Dr. Louis G. Jenis part of?
Dr. Jenis is linked to Atrius Health. Dmand AI links Dr. Jenis to 2 more medical groups.
Does Dr. Louis G. Jenis accept Medicare?
Yes. CMS data shows Dr. Jenis billed Medicare for 69 services in 2024, and Dr. Jenis accepts Medicare assignment.
How many Medicare patients does Dr. Louis G. Jenis see?
CMS counts 77 Medicare patients who saw Dr. Jenis in 2024, with an average age of 73.
What services does Dr. Louis G. Jenis bill to Medicare?
In 2024, Dr. Jenis' most billed Medicare services were office visit, new patient (99203) and office visit, established patient (99212).
Show 6 more questionsShow fewer questions
Where did Dr. Louis G. Jenis go to medical school?
Dr. Jenis graduated from Boston University School of Medicine in 1990.
What drugs does Dr. Louis G. Jenis prescribe most?
In 2022 Medicare Part D data, Dr. Jenis' most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Louis G. Jenis received payments from drug or device companies?
CMS Open Payments shows $182,604 in general payments to Dr. Jenis from 7 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Louis G. Jenis been practicing?
Dr. Jenis graduated from medical school in 1990, 36 years ago.
Does Dr. Louis G. Jenis do research?
Dmand AI links 11 publications to Dr. Jenis, published from 2016 to 2018.
Who does Dr. Louis G. Jenis publish with?
Dr. Jenis' most frequent co-authors are Heeren S. Makanji, MD (2 shared papers), Kirkham Berwick Wood, MD (2 shared papers) and Jessica P. Aidlen, MD (1 shared paper).
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