Physician Profile
Based in Red Bluff, CA, Zubin F. Udwadia, MD is listed in the NPI registry under internal medicine. Medicare claims data shows Zubin provided 295 services to 277 patients. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. NPI 1922364967 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.
2550 SISTER MARY COLUMBA DR
Red Bluff, CA 96080
Within Internal Medicine 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
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
295 services · 277 patients · 2 distinct codes
| 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 |
267 | More than most peers in Internal Medicine |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
28 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Udwadia is an internist in Red Bluff, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Udwadia is listed at 2550 Sister Mary Columba Dr, Red Bluff, CA 96080. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (530) 529-8000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Udwadia's National Provider Identifier is 1922364967. 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. Udwadia attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Dr. Udwadia has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Udwadia 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. Udwadia. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.