Peter Oppelt, MD
NPI 1639332968 · Medical Oncology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Oppelt, MD is a Medical Oncology Physician provider in Saint Louis, MO (NPI 1639332968).
Provider details
- NPI number
- 1639332968
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2015014057 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,443 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 | 533 | $124 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 364 | $120 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 311 | $14 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 209 | $27 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 118 | $14 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 84 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 226 | 63 |
| Oxycodone Hcl | 218 | 61 |
| Levothyroxine Sodium | 201 | 48 |
| Prochlorperazine Maleate | 169 | 106 |
| Ondansetron Hcl | 115 | 70 |
| Dexamethasone | 94 | 59 |
| Gabapentin | 89 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,240 across 5 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
- 2008-07-07
- Last updated
- 2025-04-17
Frequently asked questions
- What is Peter Oppelt's NPI number?
- Peter Oppelt's National Provider Identifier (NPI) is 1639332968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Oppelt's specialty?
- Peter Oppelt is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Oppelt located?
- Peter Oppelt's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Peter Oppelt's phone number?
- The practice phone number listed in the NPPES registry for Peter Oppelt is (800) 647-2098.
- Does Peter Oppelt accept Medicare?
- Peter Oppelt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Oppelt's NPI active?
- Yes — Peter Oppelt's NPI (1639332968) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.