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Edit this profileAt a glance
- 340 E 93Rd St, #17E, New York, NY 10128
About Dr. Ratnam
Based in New York, NY, Krishna K. Ratnam, M.D. is listed in the NPI registry under nephrology. Krishna graduated from Vanderbilt University School of Medicine in 2003. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1306004940 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (615) 260-3736
- Email not available
Practice Locations
340 E 93RD ST #17E
New York, NY 10128
Conditions Commonly Evaluated or Treated
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.
Conditions
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
Procedures & services
Medical diet therapy
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
12 services · 12 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other kidney specialists in New York 8
Same specialty, same city.
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2003 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Krishna K. Ratnam's specialty?
Krishna K. Ratnam 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
Where can I find Krishna K. Ratnam?
Krishna K. Ratnam is listed at 340 E 93Rd St #17E, New York, NY 10128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Krishna K. Ratnam?
The number on file is (615) 260-3736. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Krishna K. Ratnam's NPI number?
Krishna K. Ratnam's National Provider Identifier is 1306004940. 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
What is Krishna K. Ratnam's education?
Krishna K. Ratnam attended Vanderbilt University School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Krishna K. Ratnam been practicing?
Krishna K. Ratnam has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What is Krishna K. Ratnam known for?
According to Medicare billing data, Krishna K. Ratnam 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
Has Krishna K. Ratnam confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Krishna K. Ratnam. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.