Mark Louis Andre
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Andre's professional email, personal email and mobile number
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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
- 1770979288NPI Registry (opens in a new tab)
- 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
- Get number
- 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.
- San Leandro Medical Center2500 Merced Street, San Leandro, CA 94577 · Alameda CountyPhone(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.
| Site | EHR vendor and product |
|---|---|
| San Leandro Medical Center | Available 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, CaliforniaPrimary
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.
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.
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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.
Chronic conditions among Mark Andre's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- 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.
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.
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.
- Medical school
- Board certified in 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
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Mark Louis Andre's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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