Mark Krasnoff, M.D.
NPI 1821016064ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (M.D.) in Saint Louis, Missouri, trained at Johns Hopkins University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,414,411 for 11,693 claims, against $74,670 paid for services in 2024.
Overview
| NPI | 1821016064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Oct 23, 2020 |
| Certified by provider | Oct 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD114791 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 968 across 24 procedure codes |
| Paid by Medicare | $74,670 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,693 · 26,817 30-day fills |
|---|---|
| Patients | 897 |
| Total drug cost | $1,414,411 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ssm Medical Group IncSaint Charles, MO · 568 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Ssm Health Saint Louis University HospitalSaint Louis, MO
- Ssm Health St Mary's Hospital - St LouisSaint Louis, MO
- Ssm St Clare Health CenterFenton, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- Adoration Home HealthHome health agency · O Fallon, IL
- Apollo MedicalHome health agency · Saint Louis, MO
- Centerwell Home HealthHome health agency · Creve Coeur, MO
- Elara CaringHome health agency · Bridgeton, MO
- Ssm Health at Home Home Health-St. LouisHome health agency · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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