Dr. Alonso Collar, MD
- Medicare services, 2023
- 99
- Part D claims, 2022
- 14
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $9,782
- Practice address
- 703 N McEwan St, Clare, MI 48617
- Practice phone
- Call (989) 802-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Collar'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.
Dr. Alonso Collar is a cardiothoracic surgeon in Clare, Michigan
Dr. Collar practices at MyMichigan Medical Center Clare in Clare, Michigan, part of MyMichigan Health.
Dr. Collar's NPI, 1174521025, was assigned on July 13, 2005. Dr. Collar graduated from Michigan State University College of Human Medicine in 1979. Dr. Collar holds Michigan license 4301043194.
- NPI
- 1174521025NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2005
- NPI status
- Active
- Practice phone
- (989) 802-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alonso Collar practices at MyMichigan Medical Center Clare in Clare, Michigan
Dr. Collar's primary practice is MyMichigan Medical Center Clare, at 703 N McEwan St, Clare, MI 48617 in Clare County. The practice phone is (989) 802-5000.
- MyMichigan Medical Center Clare703 N McEwan St, Clare, MI 48617 · Clare CountyPhone(989) 802-5000
Source: Dmand AI Affiliation Data
Dr. Alonso Collar is affiliated with 2 sites of care and 1 medical group
Dr. Collar's primary practice is MyMichigan Medical Center Clare in Clare, Michigan, part of MyMichigan Health. The medical group on file is University of Michigan Health-Sparrow. Dmand AI also links Dr. Collar to 1 more home health agency, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alonso Collar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Collar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MyMichigan Medical Center Clare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alonso Collar is one of 176 cardiothoracic surgeons in Michigan
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Collar's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Collar is licensed in Michigan.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MichiganPrimary
Cardiothoracic surgeons near Dr. Collar
Counts of cardiothoracic 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. Alonso Collar billed Medicare for 99 services in 2023
CMS data shows 99 Medicare services from Dr. Collar across 4 procedure codes in 2023. Medicare paid $26,390 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Collar's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1352023: 6453%
- Surgery
- 2022: 1022023: 3566%
Dr. Collar compared with the Michigan median for cardiothoracic surgeons, 2023
- Dr. Collar
- Michigan median
- Medicare services
- 99vs 928% above
- Part D claims
- 14vs 2442% below
Medians across 148 cardiothoracic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Collar'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Collar and other cardiothoracic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alonso Collar's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Collar's median patient age at 84, with 0% women.
Dr. Collar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Alonso Collar wrote 14 Medicare Part D claims in 2022
In 2022, Dr. Collar wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,780 in total drug cost. In 2021, CMS named 14 claims across 1 drug.
Dr. Collar's 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.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 142022: 14No change
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Alonso Collar has 2 publications on record
Dmand AI links 2 papers to Dr. Collar, published from 2012 to 2024. Dr. Collar's most frequent co-authors are Arman Arghami, MD, Roland Assi, MD and Glenn Matthew Chertow, MD.
Dr. Collar's most frequent co-authors
Recent publications by Dr. Collar
AJNR Am J Neuroradiol
See who Dr. Collar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Collar works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alonso Collar received $9,782 in industry payments from 2016 to 2025
CMS Open Payments shows 179 general payments to Dr. Collar from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 63% of the total. Medtronic Vascular, Inc. paid the most, $2,888.
General payments to Dr. Collar by program year, 2016 to 2025
General payments to Dr. Collar by kind, 2016 to 2025
- Food and beverage$6,12763%
- Travel and lodging$3,18733%
- Education$3674%
- Entertainment$1011%
Companies that paid Dr. Collar 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. Alonso Collar graduated from Michigan State University College of Human Medicine
Dr. Collar graduated from Michigan State University College of Human Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alonso Collar'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Alonso Collar
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. Alonso Collar's NPI number?
Dr. Alonso Collar's NPI number is 1174521025. It was assigned on July 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alonso Collar?
Dr. Alonso Collar is a cardiothoracic surgeon in Clare, Michigan. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Alonso Collar practice?
Dr. Collar practices at 703 N McEwan St, Clare, MI 48617. Dr. Collar's primary practice is MyMichigan Medical Center Clare in Clare, Michigan, part of MyMichigan Health. Dmand AI also links Dr. Collar to 1 home health agency.
What is Dr. Alonso Collar's office phone number?
The practice phone on file for Dr. Collar is (989) 802-5000.
What is Dr. Alonso Collar's medical license number?
Dr. Collar holds Michigan license 4301043194.
Which hospitals is Dr. Alonso Collar affiliated with?
Dr. Collar practices at MyMichigan Medical Center Clare in Clare, Michigan.
What medical group is Dr. Alonso Collar part of?
Dr. Collar is linked to University of Michigan Health-Sparrow.
Does Dr. Alonso Collar accept Medicare?
Yes. CMS data shows Dr. Collar billed Medicare for 99 services in 2023.
What services does Dr. Alonso Collar bill to Medicare?
In 2023, Dr. Collar's most billed Medicare services were surgery: heart and blood vessels (33361), office visit, new patient (99205) and office visit, established patient (99214).
Where did Dr. Alonso Collar go to medical school?
Dr. Collar graduated from Michigan State University College of Human Medicine in 1979.
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What drugs does Dr. Alonso Collar prescribe most?
In 2022 Medicare Part D data, Dr. Collar's most prescribed drugs by claims were Enoxaparin Sodium.
Has Dr. Alonso Collar received payments from drug or device companies?
CMS Open Payments shows $9,782 in general payments to Dr. Collar from 32 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Alonso Collar been practicing?
Dr. Collar graduated from medical school in 1979, 47 years ago.
Does Dr. Alonso Collar do research?
Dmand AI links 2 publications to Dr. Collar, published from 2012 to 2024.
Who does Dr. Alonso Collar publish with?
Dr. Collar's most frequent co-authors are Arman Arghami, MD (1 shared paper), Roland Assi, MD (1 shared paper) and Glenn Matthew Chertow, MD (1 shared paper).
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