Physician Profile
Fay M. Ohsumi, MD is a healthcare provider in New York, NY specializing in nephrology. Fay trained at New York Medical College, graduating in 1985. According to Medicare claims data, Fay cared for 37 Medicare patients across 60 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more and insertion of needle into vein (3 years or older).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
117 E 84TH ST SUITE #1B
New York, NY 10028
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
60 services · 37 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein (3 years or older) | Procedure | 36410 |
26 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
34 | As often as other peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ohsumi is a kidney specialist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Dr. Ohsumi is listed at 117 E 84Th St Suite #1B, New York, NY 10028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 288-8121. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ohsumi's National Provider Identifier is 1427118850. 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. Ohsumi attended New York Medical College, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ohsumi has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ohsumi performs procedures including insertion of needle into vein, alongside routine visits and testing. 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. Ohsumi. 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.