Dr. Patrick Keating O'Callaghan, MD
- Medicare services, 2024
- 1,850
- Medicare patients, 2024
- 405
- Part D claims, 2024
- 235
- Hospital affiliations
- 3
- Industry payments
- $3,989
- Practice address
- 416 Connable Ave, Petoskey, MI 49770
- Practice phone
- Call (231) 487-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Callaghan'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. Patrick Keating O'Callaghan is an orthopedic surgeon in Petoskey, Michigan
Dr. O'Callaghan practices at McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care.
Dr. O'Callaghan's NPI, 1750792446, was assigned on May 15, 2014. Dr. O'Callaghan graduated from Michigan State University College of Human Medicine in 2014. Dr. O'Callaghan holds Michigan license 4301502027.
- NPI
- 1750792446NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719109529
- NPI enumeration date
- May 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 487-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Keating O'Callaghan practices at McLaren Northern Michigan in Petoskey, Michigan
Dr. O'Callaghan's primary practice is McLaren Northern Michigan, at 416 Connable Ave, Petoskey, MI 49770 in Emmet County. The practice phone is (231) 487-4000.
- McLaren Northern Michigan416 Connable Ave, Petoskey, MI 49770 · Emmet CountyPhone(231) 487-4000
Source: Dmand AI Affiliation Data
Dr. Patrick Keating O'Callaghan is affiliated with 3 sites of care and 2 medical groups
Dr. O'Callaghan's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care. Dr. O'Callaghan is also affiliated with McLaren Central Michigan. The medical group on file is McLaren Central Michigan. Dmand AI also links Dr. O'Callaghan to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick Keating O'Callaghan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Callaghan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Northern Michigan | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Patrick Keating O'Callaghan is one of 823 orthopedic surgeons in Michigan
Orthopaedic surgery is Dr. O'Callaghan's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. O'Callaghan's licenses on file in 2 states: Michigan and South Carolina.
Specialties and state licenses
- Orthopaedic surgery, MichiganPrimary
- Surgery, South Carolina
Orthopedic surgeons near Dr. O'Callaghan
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. Patrick Keating O'Callaghan billed Medicare for 1,850 services in 2024
CMS data shows 1,850 Medicare services from Dr. O'Callaghan across 20 procedure codes in 2024, for 405 Medicare patients. Medicare paid $139,045 for them.
Dr. O'Callaghan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5002024: 5204%
- Office and hospital visits
- 2023: 4572024: 4825%
- Imaging
- 2023: 3502024: 46733%
- Surgery
- 2023: 2652024: 37040%
- Other services
- 2023: 02024: 11
Where Dr. O'Callaghan's Medicare services took place, 2024
- In an office1,69291%
- In a facility1589%
Dr. O'Callaghan compared with the Michigan median for orthopedic surgeons, 2024
- Dr. O'Callaghan
- Michigan median
- Medicare services
- 1,850vs 5233.5 times
- Medicare patients
- 405vs 1722.4 times
- Part D claims
- 210vs 802.6 times
Medians across 781 orthopedic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. O'Callaghan'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Keating O'Callaghan treated 405 Medicare patients in 2024, average age 73
CMS counts 405 Medicare patients who saw Dr. O'Callaghan in 2024. The largest group is 65 to 74, with 206 patients. 74% of them have high cholesterol, and 68% have arthritis. 10% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Callaghan's median patient age at 68, with 60% women.
Dr. O'Callaghan's Medicare patients by age, 2024
Dr. O'Callaghan's Medicare patients by sex, 2024
- Women24560%
- Men16040%
Chronic conditions among Dr. O'Callaghan's Medicare patients, 2024
- High cholesterol74%
- Arthritis68%
- High blood pressure67%
- Diabetes23%
- Mood disorders23%
- Anxiety22%
- Depression20%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Callaghan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Patrick Keating O'Callaghan wrote 235 Medicare Part D claims in 2024
In 2024, Dr. O'Callaghan wrote 235 Medicare Part D claims for 186 patients. 100% of them were for generic drugs. CMS names the drug for 210 of them, across 3 drugs with 11 or more claims each, at $680 in total drug cost. In 2023, CMS named 181 claims across 3 drugs.
Dr. O'Callaghan'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. O'Callaghan's Part D claims, 2024
- Opioids86%201 of 235 claims
- Antibiotics11%25 of 235 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: 1812024: 21016%
Drugs named by CMS: 3 in 2024, 3 in 2023.
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. Patrick Keating O'Callaghan ranks in the 86th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. O'Callaghan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 50 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. O'Callaghan, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. O'Callaghan ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 86th percentile50 procedures
- Removal of tissue
- 63rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 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. Patrick Keating O'Callaghan received $3,989 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. O'Callaghan from 15 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 49% of the total. Zak Ortho paid the most, $1,246.
General payments to Dr. O'Callaghan by program year, 2016 to 2025
General payments to Dr. O'Callaghan by kind, 2016 to 2025
- Travel and lodging$1,95549%
- Food and beverage$1,16329%
- Education$87122%
Companies that paid Dr. O'Callaghan 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. Patrick Keating O'Callaghan graduated from Michigan State University College of Human Medicine
Dr. O'Callaghan graduated from Michigan State University College of Human Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Keating O'Callaghan'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) |
| 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. Patrick Keating O'Callaghan
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. Patrick Keating O'Callaghan's NPI number?
Dr. Patrick Keating O'Callaghan's NPI number is 1750792446. It was assigned on May 15, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Keating O'Callaghan?
Dr. Patrick Keating O'Callaghan is an orthopedic surgeon in Petoskey, Michigan. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Patrick Keating O'Callaghan practice?
Dr. O'Callaghan practices at 416 Connable Ave, Petoskey, MI 49770. Dr. O'Callaghan's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care. Dmand AI also links Dr. O'Callaghan to 1 hospital and 1 medical group.
What is Dr. Patrick Keating O'Callaghan's office phone number?
The practice phone on file for Dr. O'Callaghan is (231) 487-4000.
What is Dr. Patrick Keating O'Callaghan's medical license number?
Dr. O'Callaghan holds Michigan license 4301502027, one of the licenses on file in 2 states.
Which states has Dr. Patrick Keating O'Callaghan been licensed in?
Dmand AI has state licenses on file for Dr. O'Callaghan in Michigan and South Carolina.
Which hospitals is Dr. Patrick Keating O'Callaghan affiliated with?
Dr. O'Callaghan practices at McLaren Northern Michigan in Petoskey, Michigan. Dr. O'Callaghan is also affiliated with McLaren Central Michigan. Dmand AI links Dr. O'Callaghan to 1 more hospital.
What medical group is Dr. Patrick Keating O'Callaghan part of?
Dr. O'Callaghan is linked to McLaren Central Michigan. Dmand AI links Dr. O'Callaghan to 1 more medical group.
Does Dr. Patrick Keating O'Callaghan accept Medicare?
Yes. CMS data shows Dr. O'Callaghan billed Medicare for 1,850 services in 2024, and Dr. O'Callaghan accepts Medicare assignment.
How many Medicare patients does Dr. Patrick Keating O'Callaghan see?
CMS counts 405 Medicare patients who saw Dr. O'Callaghan in 2024, with an average age of 73.
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What services does Dr. Patrick Keating O'Callaghan bill to Medicare?
In 2024, Dr. O'Callaghan's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and diagnostic imaging (73130).
Where did Dr. Patrick Keating O'Callaghan go to medical school?
Dr. O'Callaghan graduated from Michigan State University College of Human Medicine in 2014.
What drugs does Dr. Patrick Keating O'Callaghan prescribe most?
In 2024 Medicare Part D data, Dr. O'Callaghan's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Cephalexin.
Has Dr. Patrick Keating O'Callaghan received payments from drug or device companies?
CMS Open Payments shows $3,989 in general payments to Dr. O'Callaghan from 15 companies from 2016 to 2025. The largest total came from Zak Ortho.
How long has Dr. Patrick Keating O'Callaghan been practicing?
Dr. O'Callaghan graduated from medical school in 2014, 12 years ago.
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