J Pediatr Surg
Anti-Inflammatory Agents, Non-SteroidalBiopsy, NeedleColonic Diseases
Dr. Theodore X. O'Connell, MD
NPI1780743351PAC ID6002863719
- Part D claims, 2024
- 612
- Publications
- 8
- Hospital affiliations
- 2
- Industry payments
- $459
- Medical group
- 1
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Connell'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. Theodore X. O'Connell is a family medicine physician in Vallejo, California
Dr. O'Connell practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. O'Connell's NPI, 1780743351, was assigned on December 8, 2006. Dr. O'Connell graduated from David Geffen School of Medicine at UCLA in 1998. Dr. O'Connell holds California license A70806.
NPI and contact details
- NPI
- 1780743351NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002863719
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Theodore X. O'Connell practices at Vallejo Medical Center in Vallejo, California
Dr. O'Connell's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Theodore X. O'Connell is affiliated with 4 sites of care and 1 medical group
Dr. O'Connell's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. O'Connell is also affiliated with Kaiser Permanente Woodland Hills Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. O'Connell to 1 more home health agency and 1 hospice, each named with a free account.
Kaiser Permanente Woodland Hills Medical CenterThe Permanente Medical Group, Inc.1 home health agencyName with a free account1 hospiceName with a free account
See all 5 affiliations for Dr. O'ConnellSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Theodore X. O'Connell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theodore X. O'Connell is one of 15,680 family medicine physicians in California
Family medicine is Dr. O'Connell's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. O'Connell is board certified in family medicine by the American Board of Family Medicine. Dr. O'Connell is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists contact dermatitis, muscle pain, fibromyalgia, and limb pain and sepsis among the conditions Dr. O'Connell treats.
Family medicine physicians near Dr. O'Connell
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
15,680family medicine physicians in California164family medicine physicians in Vallejo138family medicine physicians at Vallejo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Theodore X. O'Connell's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. O'Connell's median patient age at 44, with 59% women.
Dr. O'Connell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Theodore X. O'Connell wrote 612 Medicare Part D claims in 2024
In 2024, Dr. O'Connell wrote 612 Medicare Part D claims for 127 patients. 88% of them were for generic drugs. CMS names the drug for 316 of them, across 14 drugs with 11 or more claims each, at $11,591 in total drug cost. In 2023, CMS named 269 claims across 12 drugs.
Part D claims, 2024612
Drugs named by CMS14
Total drug cost$11,591
Part D patients127
Dr. O'Connell's Part D claims by kind of drug, 2024
- Generic541 claims88%
- Brand-name and other71 claims12%
Dr. O'Connell'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'Connell's Part D claims, 2024
- Opioids2%15 of 612 claims
- Antibiotics3%17 of 612 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: 2692024: 31617%
Drugs named by CMS: 14 in 2024, 12 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. Theodore X. O'Connell offers telehealth to Medicare patients
Dr. O'Connell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Connell as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Theodore X. O'Connell has 8 publications on record
Dmand AI links 8 papers to Dr. O'Connell. The most frequent topics are Arterial Occlusive Diseases and Transplantation, Homologous. Dr. O'Connell has published most often in Am Surg. Dr. O'Connell's most frequent co-authors are Albert Ko, MD, Andrew H. Ko, MD and Denise K. Sur.
Papers8
Topics Dr. O'Connell writes about most
- Arterial Occlusive Diseases
- Transplantation, Homologous
Dr. O'Connell's most frequent co-authors
- Albert Ko, MD2 shared papers
- Andrew H. Ko, MD2 shared papers
- Denise K. Sur1 shared paper
Recent publications by Dr. O'Connell
Antibodies, MonoclonalColorectal NeoplasmsIndium Radioisotopes
Breast NeoplasmsLymphatic MetastasisMastectomy, Modified Radical
Am Fam Physician
ContraindicationsMeasles-Mumps-Rubella VaccinePoliovirus Vaccines
Ann Thorac Surg
AneurysmSubclavian ArteryVascular Diseases
See who Dr. O'Connell researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Connell 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
Dr. Theodore X. O'Connell received $459 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. O'Connell from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $242.
General payments to Dr. O'Connell by program year, 2016 to 2025
Companies that paid Dr. O'Connell 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. Theodore X. O'Connell has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. O'Connell, most recently NCQA DRP in 2013.
Awards and honors for Dr. O'Connell
- 2013
- NCQA DRP
- 2012
- NCQA HSRP
- Undated
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Theodore X. O'Connell graduated from David Geffen School of Medicine at UCLA
Dr. O'Connell graduated from David Geffen School of Medicine at UCLA in 1998.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Theodore X. O'Connell accepts plans from 2 insurance carriers
Dr. O'Connell is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. O'Connell accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Theodore X. O'Connell'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 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Theodore X. O'Connell
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. Theodore X. O'Connell's NPI number?
Dr. Theodore X. O'Connell's NPI number is 1780743351. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Theodore X. O'Connell?
Dr. Theodore X. O'Connell is a family medicine physician in Vallejo, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Theodore X. O'Connell practice?
Dr. O'Connell practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. O'Connell's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. O'Connell to 1 home health agency and 1 hospice.
What is Dr. Theodore X. O'Connell's office phone number?
The practice phone on file for Dr. O'Connell is (707) 651-1000.
What is Dr. Theodore X. O'Connell's medical license number?
Dr. O'Connell holds California license A70806.
Which hospitals is Dr. Theodore X. O'Connell affiliated with?
Dr. O'Connell practices at Vallejo Medical Center in Vallejo, California. Dr. O'Connell is also affiliated with Kaiser Permanente Woodland Hills Medical Center.
What medical group is Dr. Theodore X. O'Connell part of?
Dr. O'Connell is linked to The Permanente Medical Group, Inc.
Does Dr. Theodore X. O'Connell accept Medicare?
Yes. CMS lists Dr. O'Connell as accepting Medicare assignment.
Does Dr. Theodore X. O'Connell offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Connell as offering telehealth services.
Is Dr. Theodore X. O'Connell board certified?
Yes. Dr. O'Connell is board certified in family medicine by the American Board of Family Medicine.
Show 7 more questionsShow fewer questions
Where did Dr. Theodore X. O'Connell go to medical school?
Dr. O'Connell graduated from David Geffen School of Medicine at UCLA in 1998.
What drugs does Dr. Theodore X. O'Connell prescribe most?
In 2024 Medicare Part D data, Dr. O'Connell's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Theodore X. O'Connell received payments from drug or device companies?
CMS Open Payments shows $459 in general payments to Dr. O'Connell from 3 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Theodore X. O'Connell been practicing?
Dr. O'Connell graduated from medical school in 1998, 28 years ago.
Does Dr. Theodore X. O'Connell do research?
Dmand AI links 8 publications to Dr. O'Connell.
Who does Dr. Theodore X. O'Connell publish with?
Dr. O'Connell's most frequent co-authors are Albert Ko, MD (2 shared papers), Andrew H. Ko, MD (2 shared papers) and Denise K. Sur (1 shared paper).
What insurance does Dr. Theodore X. O'Connell accept?
Dr. O'Connell is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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