Physician Profile
Based in Saint Louis, MO, Nathan A. Singh, MD is listed in the NPI registry under medical oncology. Nathan graduated from Perelman School of Med at the University of Pennsylvania in 2013. Nathan is also listed as specializing in internal medicine. Medicare claims data shows Nathan provided 195 services to 56 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1 BARNES JEWISH HOSPITAL PLZ DIV IM BONE MARROW TRANSPLANT
Saint Louis, MO 63110
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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Abdominal cancer
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195 services · 56 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
163 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
32 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Singh is an oncologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Dr. Singh is listed at 1 Barnes Jewish Hospital Plz Div Im Bone Marrow Transplant, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 454-8304. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Singh's National Provider Identifier is 1114362795. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Singh attended Perelman School of Med at the University of Pennsylvania, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Dr. Singh has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Singh the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Singh. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.