Dr. Patrick Gerard Oconnor, MD
- Medicare services, 2020
- 35
- Part D claims, 2024
- 205
- Hospital affiliations
- 1
- Industry payments
- $185
- Medical groups
- 2
- Practice address
- 149 Minor St, New Haven, CT 06519
- Practice phone
- Call (203) 503-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St)
FQHC - Main Site · New Haven, Connecticut
Find Dr. Oconnor's professional email, personal email and mobile number
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Dr. Patrick Gerard Oconnor is an internist in New Haven, Connecticut
Dr. Oconnor practices at Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St) in New Haven, Connecticut.
Dr. Oconnor's NPI, 1689657819, was assigned on November 22, 2005. Dr. Oconnor graduated from Albany Medical College in 1982. Dr. Oconnor holds Connecticut license 027228.
- NPI
- 1689657819NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416082631
- NPI enumeration date
- November 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 503-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Gerard Oconnor practices at 2 locations in New Haven, Connecticut
Dr. Oconnor's primary practice is Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St), at 149 Minor St, New Haven, CT 06519. The practice phone is (203) 503-3000. Dr. Oconnor also practices at Cornell Scott Hill Health Corporation, 400 Columbus Ave, New Haven, CT 06519.
- Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St)Primary149 Minor St, New Haven, CT 06519Phone(203) 503-3000
- Cornell Scott Hill Health Corporation400 Columbus Ave, New Haven, CT 06519 · South Central Ct CountyPhone(203) 503-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Patrick Gerard Oconnor is affiliated with 7 sites of care and 2 medical groups
Dr. Oconnor's primary practice is Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St) in New Haven, Connecticut. Dr. Oconnor is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Oconnor to 3 more community health centers, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Oconnor's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick Gerard Oconnor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oconnor practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St) | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick Gerard Oconnor is one of 2,189 internists in Connecticut
Internal medicine is Dr. Oconnor's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oconnor is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Oconnor
Counts of internists 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 Gerard Oconnor billed Medicare for 35 services in 2020
CMS data shows 35 Medicare services from Dr. Oconnor across 2 procedure codes in 2020, all of them office visits. Medicare paid $1,326 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oconnor's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1882020: 3581%
- Other services
- 2019: 132020: 0100%
Dr. Oconnor compared with the Connecticut median for internists, 2020
- Dr. Oconnor
- Connecticut median
- Medicare services
- 35vs 39091% below
- Part D claims
- 93vs 34373% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Oconnor's most billed Medicare procedure codes, 2020
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. Oconnor and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Gerard Oconnor's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Oconnor's median patient age at 62, with 58% women.
Dr. Oconnor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Patrick Gerard Oconnor wrote 205 Medicare Part D claims in 2024
In 2024, Dr. Oconnor wrote 205 Medicare Part D claims for 16 patients. 91% of them were for generic drugs. CMS names the drug for 93 of them, across 5 drugs with 11 or more claims each, at $3,741 in total drug cost. In 2023, CMS named 106 claims across 6 drugs.
Dr. Oconnor's Part D claims by kind of drug, 2024
- Generic187 claims91%
- Brand-name and other18 claims9%
Dr. Oconnor'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: 1062024: 9312%
Drugs named by CMS: 5 in 2024, 6 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 Dr. Patrick Gerard Oconnor takes part in Medicare
Dr. Oconnor 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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Dr. Patrick Gerard Oconnor received $185 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Oconnor from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $185.
Companies that paid Dr. Oconnor the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick Gerard Oconnor graduated from Albany Medical College
Dr. Oconnor graduated from Albany Medical College in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Gerard Oconnor'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) |
| 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 Gerard Oconnor
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 Gerard Oconnor's NPI number?
Dr. Patrick Gerard Oconnor's NPI number is 1689657819. It was assigned on November 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Gerard Oconnor?
Dr. Patrick Gerard Oconnor is an internist in New Haven, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Patrick Gerard Oconnor practice?
Dr. Oconnor practices at 149 Minor St, New Haven, CT 06519. Dr. Oconnor also practices at 400 Columbus Ave, New Haven, CT 06519. Dr. Oconnor's primary practice is Cornell Scott-Hill Health Center Recovery & Wellness Center - New Haven (Minor St) in New Haven, Connecticut. Dmand AI also links Dr. Oconnor to 3 community health centers, 2 group practices and clinics and 1 medical group.
What is Dr. Patrick Gerard Oconnor's office phone number?
The practice phone on file for Dr. Oconnor is (203) 503-3000.
What is Dr. Patrick Gerard Oconnor's medical license number?
Dr. Oconnor holds Connecticut license 027228.
Which hospitals is Dr. Patrick Gerard Oconnor affiliated with?
Dr. Oconnor is affiliated with Yale New Haven Hospital.
What medical group is Dr. Patrick Gerard Oconnor part of?
Dr. Oconnor is linked to Yale Health. Dmand AI links Dr. Oconnor to 1 more medical group.
Does Dr. Patrick Gerard Oconnor accept Medicare?
Yes. CMS data shows Dr. Oconnor billed Medicare for 35 services in 2020, and Dr. Oconnor accepts Medicare assignment.
What services does Dr. Patrick Gerard Oconnor bill to Medicare?
In 2020, Dr. Oconnor's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Patrick Gerard Oconnor go to medical school?
Dr. Oconnor graduated from Albany Medical College in 1982.
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What drugs does Dr. Patrick Gerard Oconnor prescribe most?
In 2024 Medicare Part D data, Dr. Oconnor's most prescribed drugs by claims were Amlodipine Besylate, Lisinopril and Omeprazole.
Has Dr. Patrick Gerard Oconnor received payments from drug or device companies?
CMS Open Payments shows $185 in general payments to Dr. Oconnor from 1 company from 2024 to 2024. The largest total came from Kerecis Limited.
How long has Dr. Patrick Gerard Oconnor been practicing?
Dr. Oconnor graduated from medical school in 1982, 44 years ago.
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