Mark Louis Andre

  • San Leandro, CA
  • Hospitalist
NPI1770979288PAC ID8628316031
Medicare services, 2024
42
Medicare patients, 2024
18
Part D claims, 2024
640
Hospital affiliations
1
Medical group
1
Practice address
2500 Merced Street, San Leandro, CA 94577
Practice phone
Call (510) 454-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

San Leandro Medical Center

Hospital · San Leandro, California

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Mark Louis Andre is a hospitalist in San Leandro, California

Mark Andre practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.

Mark Andre's NPI, 1770979288, was assigned on April 10, 2015. Mark Andre graduated from David Geffen School of Medicine at UCLA in 2015. Mark Andre holds California license A149223.

NPI and contact details
Medicare PAC ID
8628316031
NPI enumeration date
April 10, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 454-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Mark Louis Andre practices at San Leandro Medical Center in San Leandro, California

Mark Andre's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.

Source: Dmand AI Affiliation Data

Mark Louis Andre is affiliated with 1 site of care and 1 medical group

Mark Andre's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.

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

Dmand AI tracks the EHR system at Mark Louis Andre's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Andre practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Leandro Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Louis Andre is one of 3,186 hospitalists in California

Hospitalist is Mark Andre's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Mark Andre is board certified in internal medicine by the American Board of Internal Medicine. Mark Andre is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A149223 · 2017 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists congestive heart failure, gastrointestinal bleeding, gastrointestinal inflammation and sepsis among the conditions Mark Andre treats.

Hospitalists near Mark Andre

Counts of hospitalists 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

Mark Louis Andre billed Medicare for 42 services in 2024

CMS data shows 42 Medicare services from Mark Andre across 2 procedure codes in 2024, for 18 Medicare patients. Medicare paid $2,963 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202442
Medicare patients18
Paid by Medicare$2,963
Procedure codes2

Mark Andre's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 142024: 42200%

Mark Andre compared with the California median for hospitalists, 2024

  • Mark Andre
  • California median
Medicare services
42vs 43090% below
Medicare patients
18vs 20191% below
Part D claims
326vs 694.7 times

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Mark Andre'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 Mark Andre

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

Mark Louis Andre treated 18 Medicare patients in 2024, average age 69

CMS counts 18 Medicare patients who saw Mark Andre in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 4.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Andre's median patient age at 74, with 51% women.

Medicare patients, 202418
Average age69
Average risk score4.66

Chronic conditions among Mark Andre's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes72%
  4. Chronic kidney disease61%

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

Mark Andre's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women51%
  • Men48%

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

Mark Louis Andre wrote 640 Medicare Part D claims in 2024

In 2024, Mark Andre wrote 640 Medicare Part D claims for 195 patients. 78% of them were for generic drugs. CMS names the drug for 326 of them, across 19 drugs with 11 or more claims each, at $21,653 in total drug cost. In 2023, CMS named 338 claims across 15 drugs.

Part D claims, 2024640
Drugs named by CMS19
Total drug cost$21,653
Part D patients195

Mark Andre's Part D claims by kind of drug, 2024

  • Generic498 claims78%
  • Brand-name121 claims19%
  • Other21 claims3%

Mark Andre'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 Mark Andre's Part D claims, 2024

  • Opioids3%16 of 640 claims
  • Antibiotics12%76 of 640 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: 3382024: 3264%

Drugs named by CMS: 19 in 2024, 15 in 2023.

See all prescribing by Mark Andre

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

How Mark Louis Andre takes part in Medicare

Mark Andre accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Mark Louis Andre graduated from David Geffen School of Medicine at UCLA

Mark Andre graduated from David Geffen School of Medicine at UCLA in 2015.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Mark Louis Andre accepts plans from 2 insurance carriers

Mark Andre is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare
  • Kaiser Permanente

Plan types Mark Andre accepts, by number of carriers

  1. Medicare1
  2. POS1

Source: Dmand AI Insurance Network Data

Sources for Mark Louis Andre'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)
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 Mark Louis Andre

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

What is Mark Louis Andre's NPI number?

Mark Louis Andre's NPI number is 1770979288. It was assigned on April 10, 2015, and it is active in the NPI Registry.

What does Mark Louis Andre specialize in?

Mark Louis Andre is a hospitalist in San Leandro, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Mark Louis Andre practice?

Mark Andre practices at 2500 Merced Street, San Leandro, CA 94577. Mark Andre's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.

What is Mark Louis Andre's office phone number?

The practice phone on file for Mark Andre is (510) 454-1000.

What is Mark Louis Andre's medical license number?

Mark Andre holds California license A149223.

Which hospitals is Mark Louis Andre affiliated with?

Mark Andre practices at San Leandro Medical Center in San Leandro, California.

What medical group is Mark Louis Andre part of?

Mark Andre is linked to The Permanente Medical Group, Inc.

Does Mark Louis Andre accept Medicare?

Yes. CMS data shows Mark Andre billed Medicare for 42 services in 2024, and Mark Andre accepts Medicare assignment.

How many Medicare patients does Mark Louis Andre see?

CMS counts 18 Medicare patients who saw Mark Andre in 2024, with an average age of 69.

Is Mark Louis Andre board certified?

Yes. Mark Andre is board certified in internal medicine by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

What services does Mark Louis Andre bill to Medicare?

In 2024, Mark Andre's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).

Where did Mark Louis Andre go to medical school?

Mark Andre graduated from David Geffen School of Medicine at UCLA in 2015.

What drugs does Mark Louis Andre prescribe most?

In 2024 Medicare Part D data, Mark Andre's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Pantoprazole Sodium.

How long has Mark Louis Andre been practicing?

Mark Andre graduated from medical school in 2015, 11 years ago.

What insurance does Mark Louis Andre accept?

Mark Andre is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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