Are you Dr. Nathan? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 12665 Garden Grove Blvd Ste 211, Garden Grove, CA 92843
About Dr. Nathan
Ramani Nathan, MD practices nephrology in Garden Grove, CA. According to Medicare claims data, the services billed most often include dialysis services, 4 or more physician visits per month (20 years or older). The provider's National Provider Identifier (NPI) is 1487623724.
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
- (714) 636-2890
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
12665 GARDEN GROVE BLVD STE 211
Garden Grove, CA 92843
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
146 services · 20 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
146 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other kidney specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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 Garden Grove 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1964 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nathan?
Dr. Nathan is a kidney specialist in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Dr. Nathan's address?
Dr. Nathan is listed at 12665 Garden Grove Blvd Ste 211, Garden Grove, CA 92843. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nathan?
The number on file is (714) 636-2890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Nathan's NPI number?
Dr. Nathan's National Provider Identifier is 1487623724. 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
Where did Dr. Nathan train?
Dr. Nathan attended Other, graduating in 1964. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nathan been practicing?
Dr. Nathan has 62 years experience. Calculated from a graduation year of 1964, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nathan perform?
According to Medicare billing data, Dr. Nathan provides treatments such as dialysis services, 4 or more physician visits per month. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Nathan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nathan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.