Physician Profile
Based in Pomona, CA, Nazia Siddiqi, M.D. is listed in the NPI registry under nephrology. Nazia is also listed as specializing in internal medicine. Medicare claims data shows Nazia provided 378 services to 251 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1578879755 identifies this record in the national registry.
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.
790 E BONITA AVE
Pomona, CA 91767
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
378 services · 251 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
17 | Less often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
232 | More often than most peers in Nephrology |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
82 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | As often as other peers in Nephrology |
| Administration of influenza virus vaccine | Billing code | G0008 |
14 | 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.
Nazia Siddiqi is a kidney specialist in Pomona, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Nazia Siddiqi is listed at 790 E Bonita Ave, Pomona, CA 91767. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 447-8585. Contact the office directly to confirm availability and scheduling.
NPI registry
Nazia Siddiqi's National Provider Identifier is 1578879755. 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
Nazia Siddiqi attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Nazia Siddiqi has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nazia Siddiqi provides treatments such as influenza vaccine split virus, preservative free, 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 Nazia Siddiqi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.