Dr. Mark J. Schnee, MD
- Medicare services, 2024
- 1,949
- Medicare patients, 2024
- 445
- Part D claims, 2024
- 6,969
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 6624 Fannin St, Houston, TX 77030
- Practice phone
- Call (832) 680-4680
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Houston Medical Center ASC
Houston, Texas
Find Dr. Schnee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark J. Schnee is a cardiologist in Houston, Texas
Dr. Schnee practices at Houston Medical Center ASC in Houston, Texas.
Dr. Schnee's NPI, 1437153020, was assigned on June 10, 2005. Dr. Schnee graduated from University of Glasgow Faculty of Medicine in 1972. Dr. Schnee holds Texas license E9392.
- NPI
- 1437153020NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830156470
- NPI enumeration date
- June 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (832) 680-4680
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark J. Schnee practices at Houston Medical Center ASC in Houston, Texas
Dr. Schnee's primary practice is Houston Medical Center ASC, at 6624 Fannin St, Houston, TX 77030 in Harris County. The practice phone is (832) 680-4680.
- Houston Medical Center ASC6624 Fannin St, Houston, TX 77030 · Harris CountyPhone(832) 680-4680
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark J. Schnee is affiliated with 7 sites of care and 3 medical groups
Dr. Schnee's primary practice is Houston Medical Center ASC in Houston, Texas. Dr. Schnee is also affiliated with Houston Methodist Hospital. The medical group on file is The Diagnostic Heart Center of St. Luke's. Dmand AI also links Dr. Schnee to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark J. Schnee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schnee practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Houston Medical Center ASC | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark J. Schnee is one of 1,481 cardiologists in Texas
Cardiovascular disease is Dr. Schnee's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Schnee is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Schnee is licensed in Texas.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
Cardiologists near Dr. Schnee
Counts of cardiologists 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. Mark J. Schnee billed Medicare for 1,949 services in 2024
CMS data shows 1,949 Medicare services from Dr. Schnee across 15 procedure codes in 2024, for 445 Medicare patients. Medicare paid $137,437 for them. Every service was in an office.
Dr. Schnee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0632024: 91914%
- Office and hospital visits
- 2023: 6122024: 6333%
- Drugs given in the office
- 2023: 3562024: 25628%
- Other services
- 2023: 1,7662024: 7196%
- Imaging
- 2023: 1012024: 7031%
Dr. Schnee compared with the Texas median for cardiologists, 2024
- Dr. Schnee
- Texas median
- Medicare services
- 1,949vs 1,955Close to median
- Medicare patients
- 445vs 62829% below
- Part D claims
- 6,669vs 2,2323.0 times
Medians across 1,431 cardiologists in Texas with Dmand AI profiles that report each measure.
Dr. Schnee'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
Dr. Mark J. Schnee treated 445 Medicare patients in 2024, average age 77
CMS counts 445 Medicare patients who saw Dr. Schnee in 2024. The largest group is 65 to 74, with 185 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schnee's median patient age at 77, with 37% women.
Dr. Schnee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Schnee's Medicare patients by sex, 2024
- Women19945%
- Men24655%
Chronic conditions among Dr. Schnee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Ischemic heart disease40%
- Diabetes31%
- Atrial fibrillation29%
- Chronic kidney disease22%
- Heart failure21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schnee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women37%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark J. Schnee wrote 6,969 Medicare Part D claims in 2024
In 2024, Dr. Schnee wrote 6,969 Medicare Part D claims for 615 patients. 80% of them were for generic drugs. CMS names the drug for 6,669 of them, across 65 drugs with 11 or more claims each, at $1,427,730 in total drug cost. In 2023, CMS named 6,858 claims across 69 drugs.
Dr. Schnee's Part D claims by kind of drug, 2024
- Generic5,574 claims80%
- Brand-name and other1,395 claims20%
Dr. Schnee'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,8582024: 6,6693%
Drugs named by CMS: 65 in 2024, 69 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
Dr. Mark J. Schnee scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Schnee for performance year 2024, reported individually. Dr. Schnee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark J. Schnee received $24,758 in industry payments from 2016 to 2025
CMS Open Payments shows 1,268 general payments to Dr. Schnee from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,562.
General payments to Dr. Schnee by program year, 2016 to 2025
General payments to Dr. Schnee by kind, 2016 to 2025
- Food and beverage$24,62099%
- Education$1381%
Companies that paid Dr. Schnee the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark J. Schnee has 6 awards and honors on record
Dmand AI lists 6 awards for Dr. Schnee, most recently NCQA HSRP in 2014.
Awards and honors for Dr. Schnee
- 2014
- NCQA HSRP
- 2013
- CMS Stage 1 EHR
- Undated
- ACC Fellow
- Bridges to Excellence
- Compassionate Doctors
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Mark J. Schnee graduated from University of Glasgow Faculty of Medicine
Dr. Schnee graduated from University of Glasgow Faculty of Medicine in 1972. Dr. Schnee is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mark J. Schnee accepts plans from 18 insurance carriers
Dr. Schnee is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Elevance
- +10 more carriersWith a free account
Plan types Dr. Schnee accepts, by number of carriers
- HMO11
- PPO11
- Medicare8
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark J. Schnee'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Dr. Mark J. Schnee
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. Mark J. Schnee's NPI number?
Dr. Mark J. Schnee's NPI number is 1437153020. It was assigned on June 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark J. Schnee?
Dr. Mark J. Schnee is a cardiologist in Houston, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Mark J. Schnee practice?
Dr. Schnee practices at 6624 Fannin St, Houston, TX 77030. Dr. Schnee's primary practice is Houston Medical Center ASC in Houston, Texas. Dmand AI also links Dr. Schnee to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Mark J. Schnee's office phone number?
The practice phone on file for Dr. Schnee is (832) 680-4680.
What is Dr. Mark J. Schnee's medical license number?
Dr. Schnee holds Texas license E9392.
Which hospitals is Dr. Mark J. Schnee affiliated with?
Dr. Schnee is affiliated with Houston Methodist Hospital. Dmand AI links Dr. Schnee to 2 more hospitals.
What medical group is Dr. Mark J. Schnee part of?
Dr. Schnee is linked to The Diagnostic Heart Center of St. Luke's. Dmand AI links Dr. Schnee to 2 more medical groups.
Does Dr. Mark J. Schnee accept Medicare?
Yes. CMS data shows Dr. Schnee billed Medicare for 1,949 services in 2024, and Dr. Schnee accepts Medicare assignment.
What is Dr. Mark J. Schnee's MIPS score?
Dr. Schnee's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Mark J. Schnee see?
CMS counts 445 Medicare patients who saw Dr. Schnee in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Mark J. Schnee board certified?
Yes. Dr. Schnee is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Mark J. Schnee bill to Medicare?
In 2024, Dr. Schnee's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and injected or infused drug (J2785).
Where did Dr. Mark J. Schnee go to medical school?
Dr. Schnee graduated from University of Glasgow Faculty of Medicine in 1972.
What drugs does Dr. Mark J. Schnee prescribe most?
In 2024 Medicare Part D data, Dr. Schnee's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Rosuvastatin Calcium.
Has Dr. Mark J. Schnee received payments from drug or device companies?
CMS Open Payments shows $24,758 in general payments to Dr. Schnee from 51 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mark J. Schnee been practicing?
Dr. Schnee graduated from medical school in 1972, 54 years ago.
What insurance does Dr. Mark J. Schnee accept?
Dr. Schnee is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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