Physician Profile
Mahmoudsaid H. Rateb, MD is a healthcare provider in Brooklyn, NY specializing in nephrology. Mahmoudsaid is also listed as specializing in internal medicine. According to Medicare claims data, Mahmoudsaid cared for 26 Medicare patients across 71 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. This provider record is associated with NPI 1043245400.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
345 86TH ST APT #102
Brooklyn, NY 11209
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
Medication management
Medication therapy
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
71 services · 26 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
71 | Less often than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Rateb is a kidney specialist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Dr. Rateb is listed at 345 86Th St Apt #102, Brooklyn, NY 11209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 833-8700. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Rateb's National Provider Identifier is 1043245400. 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. Rateb attended Other, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Dr. Rateb has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Rateb 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. Rateb. If this is you, claiming it is free.
Guide.md
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