Dr. Michael J. Preziosi, MD

  • La Jolla, CA
  • Infectious disease specialist
NPI1942485883PAC ID8224180344
Medicare services, 2024
593
Medicare patients, 2024
297
Part D claims, 2024
391
Publications
9
Hospital affiliations
3
Practice address
9898 Genesee Avenue, La Jolla, CA 92037
Practice phone
Call (414) 975-3807
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Scripps Clinic la Jolla ASC

Surgery Center - Medicare-Certified · La Jolla, California

See all 5 affiliations

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Dr. Michael J. Preziosi is an infectious disease specialist in La Jolla, California

Dr. Preziosi practices at Scripps Clinic la Jolla ASC in La Jolla, California.

Dr. Preziosi's NPI, 1942485883, was assigned on January 9, 2008. Dr. Preziosi graduated from Rutgers New Jersey Medical School in 2005. Dr. Preziosi holds California license A99585.

NPI and contact details
Medicare PAC ID
8224180344
NPI enumeration date
January 9, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(414) 975-3807
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael J. Preziosi practices at Scripps Clinic la Jolla ASC in La Jolla, California

Dr. Preziosi's primary practice is Scripps Clinic la Jolla ASC, at 9898 Genesee Avenue, La Jolla, CA 92037. The practice phone is (414) 975-3807.

  • Scripps Clinic la Jolla ASC
    9898 Genesee Avenue, La Jolla, CA 92037Phone(414) 975-3807

Source: Dmand AI Affiliation Data

Dr. Michael J. Preziosi is affiliated with 4 sites of care and 1 medical group

Dr. Preziosi's primary practice is Scripps Clinic la Jolla ASC in La Jolla, California. Dr. Preziosi is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Preziosi to 2 more hospitals, each named with a free account.

See all 5 affiliations for Dr. Preziosi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael J. Preziosi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Preziosi practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Scripps Clinic la Jolla ASCAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael J. Preziosi is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Preziosi's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Preziosi is board certified in infectious disease by the American Board of Internal Medicine. Dr. Preziosi is licensed in California.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense A99585 · 2007 to 2026 · taxonomy 207RI0200X

Clinical focus

Dmand AI lists acute skin infection, cold sores or genital herpes, hiv/aids, joint or bone infection, pneumonia and UTI among the conditions Dr. Preziosi treats.

Infectious disease specialists near Dr. Preziosi

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

1,054infectious disease specialists in California
7infectious disease specialists in La Jolla

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael J. Preziosi billed Medicare for 593 services in 2024

CMS data shows 593 Medicare services from Dr. Preziosi across 9 procedure codes in 2024, for 297 Medicare patients. Medicare paid $54,935 for them.

Medicare services, 2024593
Medicare patients297
Paid by Medicare$54,935
Procedure codes9

Dr. Preziosi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4772024: 5066%
Drugs given in the office
2023: 2102024: 7067%
Tests and treatments
2023: 642024: 1773%

Where Dr. Preziosi's Medicare services took place, 2024

  • In an office28348%
  • In a facility31052%

Dr. Preziosi compared with the California median for infectious disease specialists, 2024

  • Dr. Preziosi
  • California median
Medicare services
593vs 42938% above
Medicare patients
297vs 18065% above
Part D claims
233vs 11996% above

Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.

Dr. Preziosi's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Preziosi

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Preziosi and other infectious disease specialists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael J. Preziosi treated 297 Medicare patients in 2024, average age 75

CMS counts 297 Medicare patients who saw Dr. Preziosi in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Preziosi's median patient age at 61, with 48% women.

Medicare patients, 2024297
Average age75
Average risk score2.62
Also on Medicaid14%

Dr. Preziosi's Medicare patients by age, 2024

Dr. Preziosi's Medicare patients by sex, 2024

  • Women15251%
  • Men14549%

Chronic conditions among Dr. Preziosi's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Chronic kidney disease47%
  5. Mood disorders42%
  6. Depression40%
  7. Anxiety39%
  8. Atrial fibrillation39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Preziosi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women48%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael J. Preziosi wrote 391 Medicare Part D claims in 2024

In 2024, Dr. Preziosi wrote 391 Medicare Part D claims for 94 patients. 77% of them were for generic drugs. CMS names the drug for 233 of them, across 12 drugs with 11 or more claims each, at $256,907 in total drug cost. In 2023, CMS named 247 claims across 11 drugs.

Part D claims, 2024391
Drugs named by CMS12
Total drug cost$256,907
Part D patients94

Dr. Preziosi's Part D claims by kind of drug, 2024

  • Generic302 claims77%
  • Brand-name89 claims23%

Dr. Preziosi's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Preziosi's Part D claims, 2024

  • Antibiotics52%203 of 391 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2472024: 2336%

Drugs named by CMS: 12 in 2024, 11 in 2023.

See all prescribing by Dr. Preziosi

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael J. Preziosi offers telehealth to Medicare patients

Dr. Preziosi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Preziosi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Michael J. Preziosi has 9 publications on record

Dmand AI links 9 papers to Dr. Preziosi, published from 2010 to 2017. 2010 was the busiest year, with 2. The most frequent topics are California, Mozambique and Acquired Immunodeficiency Syndrome. Dr. Preziosi's most frequent co-authors are Constance A. Benson, MD, Sara H. Browne, MD and Robert Turner Schooley, MD.

Papers9
Years published2010 to 2017

Dr. Preziosi's papers by year, 2010 to 2017

Topics Dr. Preziosi writes about most

  • California
  • Mozambique
  • Acquired Immunodeficiency Syndrome
  • Bacteremia
  • Biomedical Research
  • Capacity Building

Dr. Preziosi's most frequent co-authors

Recent publications by Dr. Preziosi

See all 9 publications and co-authors

See who Dr. Preziosi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Preziosi works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael J. Preziosi received $775 in industry payments from 2016 to 2024

CMS Open Payments shows 24 general payments to Dr. Preziosi from 11 drug and device companies from 2016 to 2024. Education make up the largest share, 59% of the total. Astellas Pharma US Inc paid the most, $329.

General payments to Dr. Preziosi by program year, 2016 to 2024

General payments to Dr. Preziosi by kind, 2016 to 2024

$775in total
  • Education$46059%
  • Food and beverage$31541%

Companies that paid Dr. Preziosi the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Preziosi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael J. Preziosi graduated from Rutgers New Jersey Medical School

Dr. Preziosi graduated from Rutgers New Jersey Medical School in 2005.

  1. Medical schoolRutgers New Jersey Medical School
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael J. Preziosi accepts plans from 8 insurance carriers

Dr. Preziosi is in network with 8 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Preziosi accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael J. Preziosi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael J. Preziosi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michael J. Preziosi's NPI number?

Dr. Michael J. Preziosi's NPI number is 1942485883. It was assigned on January 9, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael J. Preziosi?

Dr. Michael J. Preziosi is an infectious disease specialist in La Jolla, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Michael J. Preziosi practice?

Dr. Preziosi practices at 9898 Genesee Avenue, La Jolla, CA 92037. Dr. Preziosi's primary practice is Scripps Clinic la Jolla ASC in La Jolla, California. Dmand AI also links Dr. Preziosi to 2 hospitals.

What is Dr. Michael J. Preziosi's office phone number?

The practice phone on file for Dr. Preziosi is (414) 975-3807.

What is Dr. Michael J. Preziosi's medical license number?

Dr. Preziosi holds California license A99585.

Which hospitals is Dr. Michael J. Preziosi affiliated with?

Dr. Preziosi is affiliated with Scripps Memorial Hospital La Jolla. Dmand AI links Dr. Preziosi to 2 more hospitals.

What medical group is Dr. Michael J. Preziosi part of?

Dr. Preziosi is linked to Scripps Clinic Medical Group.

Does Dr. Michael J. Preziosi accept Medicare?

Yes. CMS data shows Dr. Preziosi billed Medicare for 593 services in 2024, and Dr. Preziosi accepts Medicare assignment.

Does Dr. Michael J. Preziosi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Preziosi as offering telehealth services.

How many Medicare patients does Dr. Michael J. Preziosi see?

CMS counts 297 Medicare patients who saw Dr. Preziosi in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Michael J. Preziosi board certified?

Yes. Dr. Preziosi is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Michael J. Preziosi bill to Medicare?

In 2024, Dr. Preziosi's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, established patient (99213).

Where did Dr. Michael J. Preziosi go to medical school?

Dr. Preziosi graduated from Rutgers New Jersey Medical School in 2005.

What drugs does Dr. Michael J. Preziosi prescribe most?

In 2024 Medicare Part D data, Dr. Preziosi's most prescribed drugs by claims were Doxycycline Hyclate, Biktarvy and Penicillin V Potassium.

Has Dr. Michael J. Preziosi received payments from drug or device companies?

CMS Open Payments shows $775 in general payments to Dr. Preziosi from 11 companies from 2016 to 2024. The largest total came from Astellas Pharma US Inc.

How long has Dr. Michael J. Preziosi been practicing?

Dr. Preziosi graduated from medical school in 2005, 21 years ago.

Does Dr. Michael J. Preziosi do research?

Dmand AI links 9 publications to Dr. Preziosi, published from 2010 to 2017.

Who does Dr. Michael J. Preziosi publish with?

Dr. Preziosi's most frequent co-authors are Constance A. Benson, MD (3 shared papers), Sara H. Browne, MD (3 shared papers) and Robert Turner Schooley, MD (3 shared papers).

What insurance does Dr. Michael J. Preziosi accept?

Dr. Preziosi is in network with 8 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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