Dr. Alex Eugene Studemeister, MD

  • San Jose, CA
  • Infectious disease specialist
NPI1235171620PAC ID5395786248
Medicare services, 2024
1,167
Medicare patients, 2024
331
Part D claims, 2024
282
Publications
15
MIPS score, 2024
41
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 3 affiliations

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Dr. Alex Eugene Studemeister is an infectious disease specialist in San Jose, California

Dr. Studemeister practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Studemeister's NPI, 1235171620, was assigned on June 12, 2006. Dr. Studemeister graduated from Loyola University Chicago Stritch School of Medicine in 1983. Dr. Studemeister holds California license G57832.

NPI and contact details
Medicare PAC ID
5395786248
NPI enumeration date
June 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. Alex Eugene Studemeister practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Studemeister's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. Alex Eugene Studemeister is affiliated with 3 sites of care

Dr. Studemeister's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Studemeister to 1 community health center and 1 physician office, each named with a free account.

See all 3 affiliations for Dr. Studemeister

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

Dmand AI tracks the EHR system at Dr. Alex Eugene Studemeister's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Studemeister practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Alex Eugene Studemeister is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Studemeister's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Studemeister is board certified in aahivm hiv specialist by the American Academy of HIV Medicine. Dmand AI has Dr. Studemeister's licenses on file in 3 states: California, Illinois and Wisconsin.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense G57832 · 1986 to 2026 · taxonomy 207RI0200X
  • Illinois license1986 to 1990
  • Wisconsin license1984 to 1987

Clinical focus

Dmand AI lists hiv/aids among the conditions Dr. Studemeister treats.

Infectious disease specialists near Dr. Studemeister

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

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

Dr. Alex Eugene Studemeister billed Medicare for 1,167 services in 2024

CMS data shows 1,167 Medicare services from Dr. Studemeister across 4 procedure codes in 2024, for 331 Medicare patients. Medicare paid $98,579 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,167
Medicare patients331
Paid by Medicare$98,579
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,3692024: 1,16715%

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

  • Dr. Studemeister
  • California median
Medicare services
1,167vs 4292.7 times
Medicare patients
331vs 18084% above
Part D claims
199vs 11967% above

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

Dr. Studemeister'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. Studemeister

Need commercial claims for Dr. Studemeister?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Studemeister 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. Alex Eugene Studemeister treated 331 Medicare patients in 2024, average age 74

CMS counts 331 Medicare patients who saw Dr. Studemeister in 2024. The largest group is 65 to 74, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 3.79, 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. Studemeister's median patient age at 73, with 42% women.

Medicare patients, 2024331
Average age74
Average risk score3.79
Also on Medicaid66%

Dr. Studemeister's Medicare patients by age, 2024

Dr. Studemeister's Medicare patients by sex, 2024

  • Women14744%
  • Men18456%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes66%
  4. Chronic kidney disease58%
  5. Ischemic heart disease57%
  6. Heart failure53%
  7. Arthritis49%
  8. Mood disorders41%

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

Dr. Studemeister's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women42%
  • Men58%

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

Dr. Alex Eugene Studemeister wrote 282 Medicare Part D claims in 2024

In 2024, Dr. Studemeister wrote 282 Medicare Part D claims for 27 patients. 65% of them were for generic drugs. CMS names the drug for 199 of them, across 6 drugs with 11 or more claims each, at $324,825 in total drug cost. In 2023, CMS named 433 claims across 14 drugs.

Part D claims, 2024282
Drugs named by CMS6
Total drug cost$324,825
Part D patients27

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

  • Generic183 claims65%
  • Brand-name99 claims35%

Dr. Studemeister'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. Studemeister's Part D claims, 2024

  • Antibiotics16%46 of 282 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: 4332024: 19954%

Drugs named by CMS: 6 in 2024, 14 in 2023.

See all prescribing by Dr. Studemeister

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. Alex Eugene Studemeister scored 41 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 41 out of 100 for Dr. Studemeister for performance year 2024, reported individually. Dr. Studemeister accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Studemeister's MIPS scores, performance year 2024

  • 41of 100Final score
  • 31.7of 100Quality
  • 0of 100Improvement Activities
  • 60of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Alex Eugene Studemeister has 15 publications on record

Dmand AI links 15 papers to Dr. Studemeister, published from 2007 to 2018. 2018 was the busiest year, with 2. The most frequent topics are Sepsis, Drug Resistance, Microbial and Imipenem. Dr. Studemeister has published most often in West J Med. Dr. Studemeister's most frequent co-authors are Francisco A. Brun, MD, Bruce J. Dreyfuss, MD and David Alec Stevens, MD.

Papers15
Years published2007 to 2018

Dr. Studemeister's papers by year, 2007 to 2018

Topics Dr. Studemeister writes about most

  • Sepsis
  • Drug Resistance, Microbial
  • Imipenem
  • Lung Diseases, Fungal
  • Pseudomonas aeruginosa
  • Pseudomonas Infections
  • Respiratory Distress Syndrome

Dr. Studemeister's most frequent co-authors

Recent publications by Dr. Studemeister

See all 15 publications and co-authors

See who Dr. Studemeister researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Studemeister 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. Alex Eugene Studemeister received $313 in industry payments from 2016 to 2024

CMS Open Payments shows 7 general payments to Dr. Studemeister from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Osiris Therapeutics Inc. paid the most, $116.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Studemeister

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

Dr. Alex Eugene Studemeister has 1 award and honors on record

Dmand AI lists 1 award for Dr. Studemeister. Dr. Studemeister serves on Antimicrobial stewardship committee O'Connor Hospital, Antimicrobial stewardship committee Regional Medical Center of San Jose and Infection Prevention and Control O'Connor Hospital.

Awards and honors for Dr. Studemeister

  1. Undated
    • Fellow Infectious Diseases Society of America

Source: Dmand AI Professional Profile Data

Dr. Alex Eugene Studemeister graduated from Loyola University Chicago Stritch School of Medicine

Dr. Studemeister graduated from Loyola University Chicago Stritch School of Medicine in 1983. Dr. Studemeister is a member of IDSA.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in aahivm hiv specialistAmerican Academy of HIV Medicine
  3. Board certified in infectious diseaseAmerican Board of Internal Medicine
  4. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Alex Eugene Studemeister accepts plans from 9 insurance carriers

Dr. Studemeister is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • Regence Health Plans
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Studemeister accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Alex Eugene Studemeister'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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Alex Eugene Studemeister

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. Alex Eugene Studemeister's NPI number?

Dr. Alex Eugene Studemeister's NPI number is 1235171620. It was assigned on June 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alex Eugene Studemeister?

Dr. Alex Eugene Studemeister is an infectious disease specialist in San Jose, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Alex Eugene Studemeister practice?

Dr. Studemeister practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Studemeister's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Studemeister to 1 community health center and 1 physician office.

What is Dr. Alex Eugene Studemeister's office phone number?

The practice phone on file for Dr. Studemeister is (408) 885-5000.

What is Dr. Alex Eugene Studemeister's medical license number?

Dr. Studemeister holds California license G57832, one of the licenses on file in 3 states.

Which states has Dr. Alex Eugene Studemeister been licensed in?

Dmand AI has state licenses on file for Dr. Studemeister in California (1986 to 2026), Illinois (1986 to 1990) and Wisconsin (1984 to 1987).

Which hospitals is Dr. Alex Eugene Studemeister affiliated with?

Dr. Studemeister practices at Santa Clara Valley Medical Center in San Jose, California.

Does Dr. Alex Eugene Studemeister accept Medicare?

Yes. CMS data shows Dr. Studemeister billed Medicare for 1,167 services in 2024, and Dr. Studemeister accepts Medicare assignment.

What is Dr. Alex Eugene Studemeister's MIPS score?

Dr. Studemeister's MIPS final score for performance year 2024 is 41 out of 100, reported individually.

How many Medicare patients does Dr. Alex Eugene Studemeister see?

CMS counts 331 Medicare patients who saw Dr. Studemeister in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Alex Eugene Studemeister board certified?

Yes. Dr. Studemeister is board certified in aahivm hiv specialist by the American Academy of HIV Medicine.

What services does Dr. Alex Eugene Studemeister bill to Medicare?

In 2024, Dr. Studemeister's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).

Where did Dr. Alex Eugene Studemeister go to medical school?

Dr. Studemeister graduated from Loyola University Chicago Stritch School of Medicine in 1983.

What drugs does Dr. Alex Eugene Studemeister prescribe most?

In 2024 Medicare Part D data, Dr. Studemeister's most prescribed drugs by claims were Biktarvy, Gabapentin and Simvastatin.

Has Dr. Alex Eugene Studemeister received payments from drug or device companies?

CMS Open Payments shows $313 in general payments to Dr. Studemeister from 6 companies from 2016 to 2024. The largest total came from Osiris Therapeutics Inc.

How long has Dr. Alex Eugene Studemeister been practicing?

Dr. Studemeister graduated from medical school in 1983, 43 years ago.

Does Dr. Alex Eugene Studemeister do research?

Dmand AI links 15 publications to Dr. Studemeister, published from 2007 to 2018.

Who does Dr. Alex Eugene Studemeister publish with?

Dr. Studemeister's most frequent co-authors are Francisco A. Brun, MD (1 shared paper), Bruce J. Dreyfuss, MD (1 shared paper) and David Alec Stevens, MD (1 shared paper).

What insurance does Dr. Alex Eugene Studemeister accept?

Dr. Studemeister is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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