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Dr. Marc O'Cleireachain, MD
NPI1235306549
- Medicare services, 2016
- 59
- Part D claims, 2016
- 38
- Publications
- 1
- Industry payments
- $138
- State license
- 1
- Practice address
- 3601 S 6th Ave, Tucson, AZ 85723
- Practice phone
- Call (702) 341-3152
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern Arizona VA Health Care System
Tucson, Arizona
Find Dr. O'Cleireachain'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. Marc O'Cleireachain is a general surgeon in Tucson, Arizona
Dr. O'Cleireachain practices at Southern Arizona VA Health Care System in Tucson, Arizona.
Dr. O'Cleireachain's NPI, 1235306549, was assigned on May 15, 2008. Dr. O'Cleireachain holds New Mexico license MD2011-0646.
NPI and contact details
- NPI
- 1235306549NPI Registry (opens in a new tab)
- NPI enumeration date
- May 15, 2008
- NPI status
- Active
- Practice phone
- (702) 341-3152
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Marc O'Cleireachain practices at Southern Arizona VA Health Care System in Tucson, Arizona
Dr. O'Cleireachain's primary practice is Southern Arizona VA Health Care System, at 3601 S 6th Ave, Tucson, AZ 85723 in Pima County. The practice phone is (702) 341-3152.
- Southern Arizona VA Health Care System3601 S 6th Ave, Tucson, AZ 85723 · Pima CountyPhone(702) 341-3152
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marc O'Cleireachain is affiliated with 1 site of care
Dr. O'Cleireachain's primary practice is Southern Arizona VA Health Care System in Tucson, Arizona.
Southern Arizona VA Health Care SystemPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Marc O'Cleireachain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Cleireachain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern Arizona VA Health Care System | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc O'Cleireachain is one of 617 general surgeons in Arizona
Surgery is Dr. O'Cleireachain's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. O'Cleireachain is licensed in New Mexico.
Specialties and state licenses
- Surgery, New MexicoPrimary
General surgeons near Dr. O'Cleireachain
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. Marc O'Cleireachain billed Medicare for 59 services in 2016
CMS data shows 59 Medicare services from Dr. O'Cleireachain across 2 procedure codes in 2016, all of them office visits. Medicare paid $1,658 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201659
Paid by Medicare$1,658
Procedure codes2
Dr. O'Cleireachain compared with the Arizona median for general surgeons, 2016
- Dr. O'Cleireachain
- Arizona median
- Medicare services
- 59vs 16264% below
- Part D claims
- 38vs 3123% above
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. O'Cleireachain's most billed Medicare procedure codes, 2016
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. O'Cleireachain and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc O'Cleireachain's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. O'Cleireachain's median patient age at 63, with 0% women.
Dr. O'Cleireachain'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
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Marc O'Cleireachain wrote 38 Medicare Part D claims in 2016
In 2016, Dr. O'Cleireachain wrote 38 Medicare Part D claims. They cover 1 drug, with $397 in total drug cost.
Part D claims, 201638
Drugs named by CMS1
Total drug cost$397
Dr. O'Cleireachain's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Marc O'Cleireachain has 1 publication on record
Dmand AI links 1 paper to Dr. O'Cleireachain. Dr. O'Cleireachain's most frequent co-author is Luis Humberto Macias, MD.
Papers1
Dr. O'Cleireachain's most frequent co-authors
Recent publications by Dr. O'Cleireachain
See who Dr. O'Cleireachain researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Cleireachain works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marc O'Cleireachain received $138 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. O'Cleireachain from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Covidien Sales LLC paid the most, $138.
Companies that paid Dr. O'Cleireachain the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marc O'Cleireachain'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 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) |
| 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. Marc O'Cleireachain
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. Marc O'Cleireachain's NPI number?
Dr. Marc O'Cleireachain's NPI number is 1235306549. It was assigned on May 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc O'Cleireachain?
Dr. Marc O'Cleireachain is a general surgeon in Tucson, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Marc O'Cleireachain practice?
Dr. O'Cleireachain practices at 3601 S 6th Ave, Tucson, AZ 85723. Dr. O'Cleireachain's primary practice is Southern Arizona VA Health Care System in Tucson, Arizona.
What is Dr. Marc O'Cleireachain's office phone number?
The practice phone on file for Dr. O'Cleireachain is (702) 341-3152.
What is Dr. Marc O'Cleireachain's medical license number?
Dr. O'Cleireachain holds New Mexico license MD2011-0646.
Does Dr. Marc O'Cleireachain accept Medicare?
Yes. CMS data shows Dr. O'Cleireachain billed Medicare for 59 services in 2016.
What services does Dr. Marc O'Cleireachain bill to Medicare?
In 2016, Dr. O'Cleireachain's most billed Medicare services were office visit, new patient (99202) and office visit, established patient (99212).
What drugs does Dr. Marc O'Cleireachain prescribe most?
In 2016 Medicare Part D data, Dr. O'Cleireachain's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Marc O'Cleireachain received payments from drug or device companies?
CMS Open Payments shows $138 in general payments to Dr. O'Cleireachain from 1 company from 2016 to 2016. The largest total came from Covidien Sales LLC.
How long has Dr. Marc O'Cleireachain been practicing?
Dr. O'Cleireachain's NPI was assigned in 2008.
Does Dr. Marc O'Cleireachain do research?
Dmand AI links 1 publication to Dr. O'Cleireachain.
Who does Dr. Marc O'Cleireachain publish with?
Dr. O'Cleireachain's most frequent co-authors are Luis Humberto Macias, MD (1 shared paper).
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