Physician Profile
Michael Preziosi, M.D. is a healthcare provider in La Jolla, CA specializing in infectious disease. Michael is also listed as specializing in internal medicine. Medicare claims data shows Michael provided 593 services to 429 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9898 GENESEE AVE AMP-605
La Jolla, CA 92037
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
593 services · 429 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
17 | |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
70 | |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
164 | More 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 |
146 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
90 | More often than most peers in Infectious Disease |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
36 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 | |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
28 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Michael Preziosi is an infectious disease specialist in La Jolla, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
Michael Preziosi is listed at 9898 Genesee Ave Amp-605, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (858) 824-5484. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Michael Preziosi's National Provider Identifier is 1942485883. 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
Michael Preziosi attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Michael Preziosi has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Michael Preziosi provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, 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 Michael Preziosi. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.