Patrick O'Neil, M.D.
NPI 1033400379 · Family Medicine Physician · Brunswick, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick O'Neil, M.D. is a Family Medicine Physician provider in Brunswick, MD (NPI 1033400379).
Provider details
- NPI number
- 1033400379
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27142 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,003 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 371 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 219 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 130 | $127 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 92 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 177 | 62 |
| Atorvastatin Calcium | 177 | 53 |
| Amlodipine Besylate | 161 | 54 |
| Lisinopril | 105 | 35 |
| Metformin Hcl | 103 | 29 |
| Gabapentin | 80 | 25 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$921 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4014 Mountville RdJefferson, MD 21755-7713Phone: (301) 834-7188
Registry dates
- Enumerated
- 2011-04-20
- Last updated
- 2022-01-12
- Certified
- 2022-01-12
Frequently asked questions
- What is Patrick O'Neil's NPI number?
- Patrick O'Neil's National Provider Identifier (NPI) is 1033400379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick O'Neil's specialty?
- Patrick O'Neil is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick O'Neil located?
- Patrick O'Neil's practice location on file with NPPES is 610 9th Ave, Brunswick, MD 21716-1828.
- What is Patrick O'Neil's phone number?
- The practice phone number listed in the NPPES registry for Patrick O'Neil is (301) 834-7188.
- Does Patrick O'Neil accept Medicare?
- Patrick O'Neil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick O'Neil's NPI active?
- Yes — Patrick O'Neil's NPI (1033400379) is active in the NPPES registry as of the last update on 2022-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.