Jennifer O'Malley, M.D,
NPI 1831458033 · Family Medicine Physician · Saint James, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer O'Malley, M.D, is a Family Medicine Physician provider in Saint James, MO (NPI 1831458033).
Provider details
- NPI number
- 1831458033
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Female
- Sole proprietor
- No
- License
- 2015020983 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 228 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 892 | 177 |
| Pantoprazole Sodium | 598 | 117 |
| Lisinopril | 551 | 131 |
| Montelukast Sodium | 488 | 101 |
| Amlodipine Besylate | 486 | 104 |
| Rosuvastatin Calcium | 473 | 113 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$418 across 22 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
Registry dates
- Enumerated
- 2012-05-08
- Last updated
- 2019-08-22
Frequently asked questions
- What is Jennifer O'Malley's NPI number?
- Jennifer O'Malley's National Provider Identifier (NPI) is 1831458033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer O'Malley's specialty?
- Jennifer O'Malley is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer O'Malley located?
- Jennifer O'Malley's practice location on file with NPPES is 1000 N Jefferson St, Saint James, MO 65559.
- What is Jennifer O'Malley's phone number?
- The practice phone number listed in the NPPES registry for Jennifer O'Malley is (573) 265-8840.
- Does Jennifer O'Malley accept Medicare?
- Jennifer O'Malley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer O'Malley's NPI active?
- Yes — Jennifer O'Malley's NPI (1831458033) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.