Quick answers
- Does Lindsay L. Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Lindsay L. Peterson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Lindsay L. Peterson see?
- In 2024, CMS data shows 175 Original Medicare patients and 17,954 services for Lindsay L. Peterson. This counts Original Medicare only and measures volume, not quality.
- What is Lindsay L. Peterson's NPI number?
- 1194900134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lindsay L. Peterson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 175 |
|---|---|
| Services billed to Medicare | 17,954 |
| Different services or procedures | 94 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Injection, fosaprepitant, 1 mg (J1453)2,100 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)285 services
- Injection, palonosetron hcl, 25 mcg (J2469)180 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)128 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)55 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure73%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)69%
- High cholesterol67%
- Arthritis38%
- Ischemic heart disease29%
- Depression29%
Hospitals where Lindsay L. Peterson works
Medicare's Facility Affiliation Data lists Lindsay L. Peterson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
- Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- Parkland Health CenterFarmington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260163
Practice locations
Addresses where Lindsay L. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 747‑3000
- 4500 Forest Park AveSaint Louis, MO 63108
- 5201 Mid America PlzSaint Louis, MO 63129
- 5225 Mid America PlzSaint Louis, MO 63129 (800) 647‑2098
Group practices
Medicare enrollment lists Lindsay L. Peterson as a member of this group (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194900134 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians