Patrick W. O'Hara
- Medicare services, 2019
- 908
- Part D claims, 2024
- 8,703
- Publications
- 2
- Hospital affiliations
- 3
- Industry payments
- $1,654
- Practice address
- 611 W Main St, Fredericktown, MO 63645
- Practice phone
- Call (573) 781-3341
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Patrick O'Hara'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.
Patrick W. O'Hara is a family medicine physician in Fredericktown, Missouri
Patrick O'Hara practices at Madison Medical Center in Fredericktown, Missouri, part of Madison Medical Center.
Patrick O'Hara's NPI, 1508972233, was assigned on August 23, 2006. Patrick O'Hara graduated from St. Louis College of Physicians and Surgeons in 1996. Patrick O'Hara holds Missouri license 110421.
- NPI
- 1508972233NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779665542
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 781-3341
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Patrick W. O'Hara practices at 2 locations in Fredericktown, Missouri
Patrick O'Hara's primary practice is Madison Medical Center, at 611 W Main St, Fredericktown, MO 63645 in Madison County. The practice phone is (573) 781-3341. Patrick O'Hara also practices at Stockhoff Memorial Nursing Home, 610 W Main St, Fredericktown, MO 63645.
- Madison Medical CenterPrimary611 W Main St, Fredericktown, MO 63645 · Madison CountyPhone(573) 781-3341
- Stockhoff Memorial Nursing Home610 W Main St, Fredericktown, MO 63645 · Madison CountyPhone(573) 783-3341
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Patrick W. O'Hara is affiliated with 4 sites of care and 1 medical group
Patrick O'Hara's primary practice is Madison Medical Center in Fredericktown, Missouri, part of Madison Medical Center. Patrick O'Hara is also affiliated with Parkland Health Center. The medical group on file is Madison Medical Center. Dmand AI also links Patrick O'Hara to 1 more hospital and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Patrick W. O'Hara's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Patrick O'Hara practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Madison Medical Center | Available with a free account |
| +3 more affiliated sites | 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 Madison Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Patrick W. O'Hara is one of 2,412 family medicine physicians in Missouri
Family medicine is Patrick O'Hara's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Patrick O'Hara is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Patrick O'Hara
Counts of family medicine physicians 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
Patrick W. O'Hara billed Medicare for 908 services in 2019
CMS data shows 908 Medicare services from Patrick O'Hara across 12 procedure codes in 2019. Medicare paid $10,464 for them. Every service was in an office.
Patrick O'Hara's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Lab and pathology
- 2018: 1,0642019: 90815%
Patrick O'Hara compared with the Missouri median for family medicine physicians, 2019
- Patrick O'Hara
- Missouri median
- Medicare services
- 908vs 3332.7 times
- Part D claims
- 7,997vs 1,2316.5 times
Medians across 2,555 family medicine physicians in Missouri with Dmand AI profiles that report each measure.
Patrick O'Hara's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Patrick O'Hara?
Medicare shows one payer. Book a meeting to get commercial claims data for Patrick O'Hara and other family medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Patrick W. O'Hara's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Patrick O'Hara's median patient age at 33, with 56% women.
Patrick O'Hara's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Patrick W. O'Hara wrote 8,703 Medicare Part D claims in 2024
In 2024, Patrick O'Hara wrote 8,703 Medicare Part D claims for 389 patients. 85% of them were for generic drugs. CMS names the drug for 7,997 of them, across 148 drugs with 11 or more claims each, at $532,645 in total drug cost. In 2023, CMS named 7,211 claims across 149 drugs.
Patrick O'Hara's Part D claims by kind of drug, 2024
- Generic7,428 claims85%
- Brand-name1,231 claims14%
- Other44 claims1%
Patrick O'Hara'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 Patrick O'Hara's Part D claims, 2024
- Opioids6%558 of 8,703 claims
- Antibiotics2%146 of 8,703 claims
- Antipsychotics, patients 65 and over0%22 of 8,703 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: 7,2112024: 7,99711%
Drugs named by CMS: 148 in 2024, 149 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
How Patrick W. O'Hara takes part in Medicare
Patrick O'Hara accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Patrick W. O'Hara has 2 publications on record
Dmand AI links 2 papers to Patrick O'Hara, published from 2011 to 2013. Patrick O'Hara's most frequent co-authors are Stuart J. Burstin, MD and Linda A. Miller, MD.
Patrick O'Hara's most frequent co-authors
Recent publications by Patrick O'Hara
See who Patrick O'Hara researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Patrick O'Hara works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Patrick W. O'Hara received $1,654 in industry payments from 2016 to 2025
CMS Open Payments shows 118 general payments to Patrick O'Hara from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $384.
General payments to Patrick O'Hara by program year, 2016 to 2025
Companies that paid Patrick O'Hara the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Patrick W. O'Hara graduated from St. Louis College of Physicians and Surgeons
Patrick O'Hara graduated from St. Louis College of Physicians and Surgeons in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Patrick W. O'Hara'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 Affiliation DataDmand AI Practice 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)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) |
| 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 Patrick W. O'Hara
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Patrick W. O'Hara's NPI number?
Patrick W. O'Hara's NPI number is 1508972233. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What does Patrick W. O'Hara specialize in?
Patrick W. O'Hara is a family medicine physician in Fredericktown, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Patrick W. O'Hara practice?
Patrick O'Hara practices at 611 W Main St, Fredericktown, MO 63645. Patrick O'Hara also practices at 610 W Main St, Fredericktown, MO 63645. Patrick O'Hara's primary practice is Madison Medical Center in Fredericktown, Missouri, part of Madison Medical Center. Dmand AI also links Patrick O'Hara to 1 hospital and 1 home health agency.
What is Patrick W. O'Hara's office phone number?
The practice phone on file for Patrick O'Hara is (573) 781-3341.
What is Patrick W. O'Hara's medical license number?
Patrick O'Hara holds Missouri license 110421.
Which hospitals is Patrick W. O'Hara affiliated with?
Patrick O'Hara practices at Madison Medical Center in Fredericktown, Missouri. Patrick O'Hara is also affiliated with Parkland Health Center. Dmand AI links Patrick O'Hara to 1 more hospital.
What medical group is Patrick W. O'Hara part of?
Patrick O'Hara is linked to Madison Medical Center.
Does Patrick W. O'Hara accept Medicare?
Yes. CMS data shows Patrick O'Hara billed Medicare for 908 services in 2019, and Patrick O'Hara accepts Medicare assignment.
What services does Patrick W. O'Hara bill to Medicare?
In 2019, Patrick O'Hara's most billed Medicare services were lab and pathology test (80053), lab and pathology test (85025) and lab and pathology test (83036).
Where did Patrick W. O'Hara go to medical school?
Patrick O'Hara graduated from St. Louis College of Physicians and Surgeons in 1996.
Show 5 more questionsShow fewer questions
What drugs does Patrick W. O'Hara prescribe most?
In 2024 Medicare Part D data, Patrick O'Hara's most prescribed drugs by claims were Gabapentin, Levothyroxine Sodium and Atorvastatin Calcium.
Has Patrick W. O'Hara received payments from drug or device companies?
CMS Open Payments shows $1,654 in general payments to Patrick O'Hara from 26 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Patrick W. O'Hara been practicing?
Patrick O'Hara graduated from medical school in 1996, 30 years ago.
Does Patrick W. O'Hara do research?
Dmand AI links 2 publications to Patrick O'Hara, published from 2011 to 2013.
Who does Patrick W. O'Hara publish with?
Patrick O'Hara's most frequent co-authors are Stuart J. Burstin, MD (1 shared paper) and Linda A. Miller, MD (1 shared paper).
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