Physician Profile
David-Huy N. Nguyen, M.D., PhD practices infectious disease in San Francisco, CA. David-Huy is a 2012 graduate of Stanford University School of Medicine. David-Huy is also listed as specializing in internal medicine. According to Medicare claims data, David-Huy cared for 46 Medicare patients across 61 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1083971972.
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.
505 PARNASSUS AVE ROOM 987
San Francisco, CA 94143
Within Infectious Disease 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
Bacterial infections
Bones & joints
Cardiovascular
Digestive infections
Fungal infections
General symptoms
Neurological infections
Parasitic infections
Post-infection conditions
Respiratory infections
Sexually transmitted infections
Skin & soft tissue
Travel-related infections
Urinary tract
Viral infections
Most searched procedures
Allergy & immunology
Allergy & Pharmacology
Antiviral treatments
Consultation & second opinions
Diagnostic evaluations
Diagnostics & screening
Gastrointestinal treatments
Infusions & Medications
Lab testing & monitoring
Medication management
Prevention & Prophylaxis
Prevention & prophylaxis
Travel medicine
61 services · 46 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
25 | Less often than most peers in Infectious Disease |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
18 | Less often than most peers in Infectious Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | Less often than most peers in Infectious Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
David-Huy N. Nguyen, M.D. is an infectious disease specialist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
David-Huy N. Nguyen, M.D. is listed at 505 Parnassus Ave Room 987, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 476-1528. Contact the office directly to confirm availability and scheduling.
NPI registry
David-Huy N. Nguyen, M.D.'s National Provider Identifier is 1083971972. 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
David-Huy N. Nguyen, M.D. attended Stanford University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
David-Huy N. Nguyen, M.D. 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, David-Huy N. Nguyen, M.D. 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 David-Huy N. Nguyen, M.D.. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.