Jessica Underhill, DO
NPI 1417362880 · Family Medicine Physician · Saint Peters, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jessica Underhill, DO is a Family Medicine Physician provider in Saint Peters, MO (NPI 1417362880).
Provider details
- NPI number
- 1417362880
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 0 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
399 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 205 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 115 | $125 |
| 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 | 34 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $61 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare EnrollmentG0402 | 12 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 510 | 146 |
| Levothyroxine Sodium | 418 | 114 |
| Lisinopril | 282 | 85 |
| Losartan Potassium | 255 | 75 |
| Pantoprazole Sodium | 223 | 58 |
| Alprazolam | 218 | 51 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (1)
- 2345 Dougherty Ferry RdC/O Medical Education OfficeSaint Louis, MO 63122-3313Phone: (314) 419-1533
Registry dates
- Enumerated
- 2014-06-24
- Last updated
- 2020-11-12
- Certified
- 2020-11-12
Frequently asked questions
- What is Jessica Underhill's NPI number?
- Jessica Underhill's National Provider Identifier (NPI) is 1417362880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Underhill's specialty?
- Jessica Underhill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jessica Underhill located?
- Jessica Underhill's practice location on file with NPPES is 6994 Mexico Rd, Saint Peters, MO 63376-1512.
- What is Jessica Underhill's phone number?
- The practice phone number listed in the NPPES registry for Jessica Underhill is (636) 397-3231.
- Does Jessica Underhill accept Medicare?
- Jessica Underhill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jessica Underhill's NPI active?
- Yes — Jessica Underhill's NPI (1417362880) is active in the NPPES registry as of the last update on 2020-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.