Dr. John Michael Siliski, MD

  • East Longmeadow, MA
  • General surgeon
NPI1861465841PAC ID1658309026
Medicare services, 2024
1,120
Medicare patients, 2024
430
Part D claims, 2024
60
Publications
3
Hospital affiliations
5
Practice address
265A Benton Dr, East Longmeadow, MA 01028
Practice phone
Call (617) 248-9665
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

John M. Siliski, M.D.

East Longmeadow, Massachusetts

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Dr. John Michael Siliski is a general surgeon in East Longmeadow, Massachusetts

Dr. Siliski practices at John M. Siliski, M.D. in East Longmeadow, Massachusetts.

Dr. Siliski's NPI, 1861465841, was assigned on February 9, 2006. Dr. Siliski graduated from Harvard Medical School in 1977. Dr. Siliski holds Massachusetts license 45714.

NPI and contact details
Medicare PAC ID
1658309026
NPI enumeration date
February 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 248-9665
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

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

Dr. John Michael Siliski practices at John M. Siliski, M.D. in East Longmeadow, Massachusetts

Dr. Siliski's primary practice is John M. Siliski, M.D., at 265A Benton Dr, East Longmeadow, MA 01028 in Hampden County. The practice phone is (617) 248-9665.

  • John M. Siliski, M.D.
    265A Benton Dr, East Longmeadow, MA 01028 · Hampden CountyPhone(617) 248-9665

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

Dr. John Michael Siliski is affiliated with 9 sites of care and 3 medical groups

Dr. Siliski's primary practice is John M. Siliski, M.D. in East Longmeadow, Massachusetts. Dr. Siliski is also affiliated with Massachusetts General Hospital. The medical group on file is Dr. John Siliski's Office. Dmand AI also links Dr. Siliski to 4 more hospitals, 2 home health agencies, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 12 affiliations for Dr. Siliski

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

Dmand AI tracks the EHR system at Dr. John Michael Siliski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siliski practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John M. Siliski, M.D.Available with a free account
+8 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. John Michael Siliski is one of 732 general surgeons in Massachusetts

Surgery is Dr. Siliski's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Siliski is licensed in Massachusetts.

Specialties and state licenses

  • Surgery, MassachusettsPrimaryLicense 45714 · taxonomy 208600000X

General surgeons near Dr. Siliski

Counts of general 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. John Michael Siliski billed Medicare for 1,120 services in 2024

CMS data shows 1,120 Medicare services from Dr. Siliski across 10 procedure codes in 2024, for 430 Medicare patients. Medicare paid $157,091 for them.

Medicare services, 20241,120
Medicare patients430
Paid by Medicare$157,091
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 6152024: 54511%
Drugs given in the office
2023: 3222024: 37416%
Surgery
2023: 2132024: 2016%

Where Dr. Siliski's Medicare services took place, 2024

  • In an office1,01991%
  • In a facility1019%

Dr. Siliski compared with the Massachusetts median for general surgeons, 2024

  • Dr. Siliski
  • Massachusetts median
Medicare services
1,120vs 2005.6 times
Medicare patients
430vs 1522.8 times
Part D claims
32vs 2245% above

Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.

Dr. Siliski'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. Siliski

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

Dr. John Michael Siliski treated 430 Medicare patients in 2024, average age 75

CMS counts 430 Medicare patients who saw Dr. Siliski in 2024. The largest group is 75 to 84, with 200 patients. 75% of them have arthritis, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Siliski's median patient age at 73, with 57% women.

Medicare patients, 2024430
Average age75
Average risk score1.01
Also on Medicaid7%

Dr. Siliski's Medicare patients by age, 2024

Dr. Siliski's Medicare patients by sex, 2024

  • Women26261%
  • Men16839%

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

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure69%
  4. Anxiety29%
  5. Mood disorders26%
  6. Ischemic heart disease24%
  7. Depression22%
  8. Cancer21%

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

Dr. Siliski's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Dr. John Michael Siliski wrote 60 Medicare Part D claims in 2024

In 2024, Dr. Siliski wrote 60 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 32 of them, across 1 drug with 11 or more claims each, at $68 in total drug cost. In 2023, CMS named 29 claims across 1 drug.

Part D claims, 202460
Drugs named by CMS1
Total drug cost$68
Part D patients46

Dr. Siliski'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. Siliski's Part D claims, 2024

  • Antibiotics77%46 of 60 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: 292024: 3210%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Siliski

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. John Michael Siliski ranks in the 78th percentile for knee replacement in Medicare

Dr. Siliski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siliski as offering telehealth. CMS counts 49 procedures of knee replacement by Dr. Siliski, more than 78% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Siliski ranks in Medicare procedure volume

Knee replacement
78th percentile49 procedures
Hip replacement
70th percentile24 procedures

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

Lower limb (leg) arthroscopy (minimally invasive joint repair): 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)

For MedTech and pharma teams

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Dr. John Michael Siliski has 3 publications on record

Dmand AI links 3 papers to Dr. Siliski, published from 2014 to 2025. Dr. Siliski's most frequent co-authors are Henrik Malchau, MD, Antonia F. Chen, MD and Richard G. Harris, MD.

Papers3
Years published2014 to 2025

Dr. Siliski's most frequent co-authors

Recent publications by Dr. Siliski

See all 3 publications and co-authors

See who Dr. Siliski researches with

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

How network discovery works

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

Dr. John Michael Siliski received $28,300 in industry payments from 2016 to 2025

CMS Open Payments shows 77 general payments to Dr. Siliski from 6 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 46% of the total. Smith & Nephew, Inc. paid the most, $25,951.

General payments to Dr. Siliski by program year, 2016 to 2025

General payments to Dr. Siliski by kind, 2016 to 2025

$28.3Kin total
  • Speaker and faculty fees$13,00046%
  • Consulting fees$8,37530%
  • Travel and lodging$3,64213%
  • Food and beverage$3,28412%

Companies that paid Dr. Siliski the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Siliski

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

Dr. John Michael Siliski graduated from Harvard Medical School

Dr. Siliski graduated from Harvard Medical School in 1977.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. John Michael Siliski'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)Doctors and Clinicians Utilization Data (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. John Michael Siliski

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. John Michael Siliski's NPI number?

Dr. John Michael Siliski's NPI number is 1861465841. It was assigned on February 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Michael Siliski?

Dr. John Michael Siliski is a general surgeon in East Longmeadow, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John Michael Siliski practice?

Dr. Siliski practices at 265A Benton Dr, East Longmeadow, MA 01028. Dr. Siliski's primary practice is John M. Siliski, M.D. in East Longmeadow, Massachusetts. Dmand AI also links Dr. Siliski to 4 hospitals, 2 home health agencies, 2 medical groups and 1 group practice or clinic.

What is Dr. John Michael Siliski's office phone number?

The practice phone on file for Dr. Siliski is (617) 248-9665.

What is Dr. John Michael Siliski's medical license number?

Dr. Siliski holds Massachusetts license 45714.

Which hospitals is Dr. John Michael Siliski affiliated with?

Dr. Siliski is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Siliski to 4 more hospitals.

What medical group is Dr. John Michael Siliski part of?

Dr. Siliski is linked to Dr. John Siliski's Office. Dmand AI links Dr. Siliski to 2 more medical groups.

Does Dr. John Michael Siliski accept Medicare?

Yes. CMS data shows Dr. Siliski billed Medicare for 1,120 services in 2024, and Dr. Siliski accepts Medicare assignment.

Does Dr. John Michael Siliski offer telehealth?

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

How many Medicare patients does Dr. John Michael Siliski see?

CMS counts 430 Medicare patients who saw Dr. Siliski in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

What services does Dr. John Michael Siliski bill to Medicare?

In 2024, Dr. Siliski's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, new patient (99203).

Where did Dr. John Michael Siliski go to medical school?

Dr. Siliski graduated from Harvard Medical School in 1977.

What drugs does Dr. John Michael Siliski prescribe most?

In 2024 Medicare Part D data, Dr. Siliski's most prescribed drugs by claims were Amoxicillin.

Has Dr. John Michael Siliski received payments from drug or device companies?

CMS Open Payments shows $28,300 in general payments to Dr. Siliski from 6 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.

How long has Dr. John Michael Siliski been practicing?

Dr. Siliski graduated from medical school in 1977, 49 years ago.

Does Dr. John Michael Siliski do research?

Dmand AI links 3 publications to Dr. Siliski, published from 2014 to 2025.

Who does Dr. John Michael Siliski publish with?

Dr. Siliski's most frequent co-authors are Henrik Malchau, MD (2 shared papers), Antonia F. Chen, MD (1 shared paper) and Richard G. Harris, MD (1 shared paper).

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