Dr. John Cleary Sennish, MD

  • Coldwater, MI
  • General surgeon
NPI1750350286
Medicare services, 2023
70
Part D claims, 2024
422
Industry payments
$112
Affiliated sites
1
State license
1
Practice address
360 E Chicago St Suite 100 Suite 100, Coldwater, MI 49036
Practice phone
Call (517) 279-4720
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Coldwater Surgery PC

Physician office · Coldwater, Michigan

Find Dr. Sennish'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.

View contacts for free

Dr. John Cleary Sennish is a general surgeon in Coldwater, Michigan

Dr. Sennish practices at Coldwater Surgery PC in Coldwater, Michigan.

Dr. Sennish's NPI, 1750350286, was assigned on March 16, 2006. Dr. Sennish graduated from University of Michigan Medical School in 1977. Dr. Sennish holds Michigan license 4301043259.

NPI and contact details
NPI enumeration date
March 16, 2006
NPI status
Active
Practice phone
(517) 279-4720
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; and Dmand AI Affiliation Data

Dr. John Cleary Sennish practices at 2 locations in Coldwater, Michigan

Dr. Sennish's primary practice is Coldwater Surgery PC, at 360 E Chicago St Suite 100 Suite 100, Coldwater, MI 49036. The practice phone is (517) 279-4720. The NPI Registry lists Dr. Sennish's practice address as 274 E Chicago St, Coldwater, MI 49036.

  • Coldwater Surgery PCPrimary
    360 E Chicago St Suite 100 Suite 100, Coldwater, MI 49036Phone(517) 279-4720
  • NPI Registry address
    274 E Chicago St, Coldwater, MI 49036 · Branch CountyPhone(517) 279-4720

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

Dr. John Cleary Sennish is affiliated with 1 site of care

Dr. Sennish's primary practice is Coldwater Surgery PC in Coldwater, Michigan.

Coldwater Surgery PCPhysician office · Coldwater, MichiganPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Cleary Sennish's practice

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

EHR by site
SiteEHR vendor and product
Coldwater Surgery PCAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Sennish practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Cleary Sennish is one of 1,095 general surgeons in Michigan

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

Specialties and state licenses

  • Surgery, MichiganPrimaryLicense 4301043259 · taxonomy 208600000X

General surgeons near Dr. Sennish

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

1,095general surgeons in Michigan
5general surgeons in Coldwater

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Cleary Sennish billed Medicare for 70 services in 2023

CMS data shows 70 Medicare services from Dr. Sennish across 2 procedure codes in 2023, all of them office visits. Medicare paid $6,156 for them. Every service was in an office.

Medicare services, 202370
Paid by Medicare$6,156
Procedure codes2

Dr. Sennish's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 3922023: 7082%

Dr. Sennish compared with the Michigan median for general surgeons, 2023

  • Dr. Sennish
  • Michigan median
Medicare services
70vs 12644% below
Part D claims
180vs 306.0 times

Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Sennish's most billed Medicare procedure codes, 2023

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. Sennish

Need commercial claims for Dr. Sennish?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sennish and other general surgeons in Michigan.

Book a meeting

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

Dr. John Cleary Sennish's patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Dr. Sennish's median patient age at 63, with 50% women.

Dr. Sennish'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

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. John Cleary Sennish wrote 422 Medicare Part D claims in 2024

In 2024, Dr. Sennish wrote 422 Medicare Part D claims for 72 patients. 88% of them were for generic drugs. CMS names the drug for 180 of them, across 11 drugs with 11 or more claims each, at $2,348 in total drug cost. In 2023, CMS named 2,393 claims across 66 drugs.

Part D claims, 2024422
Drugs named by CMS11
Total drug cost$2,348
Part D patients72

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

  • Generic372 claims88%
  • Brand-name and other50 claims12%

Dr. Sennish'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: 2,3932024: 18092%

Drugs named by CMS: 11 in 2024, 66 in 2023.

See all prescribing by Dr. Sennish

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

For MedTech and pharma teams

Find general surgeons like Dr. Sennish by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Cleary Sennish received $112 in industry payments from 2016 to 2019

CMS Open Payments shows 6 general payments to Dr. Sennish from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $41.

General payments to Dr. Sennish by program year, 2016 to 2019

Companies that paid Dr. Sennish the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Sennish

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

Dr. John Cleary Sennish graduated from University of Michigan Medical School

Dr. Sennish graduated from University of Michigan Medical School in 1977.

  1. Medical schoolUniversity of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. John Cleary Sennish'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand 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 Data
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)
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 Cleary Sennish

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 Cleary Sennish's NPI number?

Dr. John Cleary Sennish's NPI number is 1750350286. It was assigned on March 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Cleary Sennish?

Dr. John Cleary Sennish is a general surgeon in Coldwater, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John Cleary Sennish practice?

Dr. Sennish practices at 360 E Chicago St Suite 100 Suite 100, Coldwater, MI 49036. Dr. Sennish also practices at 274 E Chicago St, Coldwater, MI 49036. Dr. Sennish's primary practice is Coldwater Surgery PC in Coldwater, Michigan.

What is Dr. John Cleary Sennish's office phone number?

The practice phone on file for Dr. Sennish is (517) 279-4720.

What is Dr. John Cleary Sennish's medical license number?

Dr. Sennish holds Michigan license 4301043259.

Does Dr. John Cleary Sennish accept Medicare?

Yes. CMS data shows Dr. Sennish billed Medicare for 70 services in 2023.

What services does Dr. John Cleary Sennish bill to Medicare?

In 2023, Dr. Sennish's most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. John Cleary Sennish go to medical school?

Dr. Sennish graduated from University of Michigan Medical School in 1977.

What drugs does Dr. John Cleary Sennish prescribe most?

In 2024 Medicare Part D data, Dr. Sennish's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Duloxetine HCl.

Has Dr. John Cleary Sennish received payments from drug or device companies?

CMS Open Payments shows $112 in general payments to Dr. Sennish from 5 companies from 2016 to 2019. The largest total came from Davol Inc.

How long has Dr. John Cleary Sennish been practicing?

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

Selling to surgery practices?

See general surgeons in Michigan by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)