Dr. Jake R. Marais, MD
- Medicare services, 2024
- 3,680
- Medicare patients, 2024
- 1,768
- Part D claims, 2024
- 6,198
- MIPS score, 2024
- 97
- Hospital affiliations
- 5
- Practice address
- 801 Ostrum St, Bethlehem, PA 18015
- Practice phone
- Call (610) 954-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Lukes University Hospital Bethlehem
Bethlehem, Pennsylvania
Find Dr. Marais' 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. Jake R. Marais is a cardiologist in Bethlehem, Pennsylvania
Dr. Marais practices at St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania.
Dr. Marais' NPI, 1447475082, was assigned on April 17, 2007. Dr. Marais graduated from Drexel University College of Medicine in 2005. Dr. Marais holds Pennsylvania license MD434430.
- NPI
- 1447475082NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800066143
- NPI enumeration date
- April 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (610) 954-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jake R. Marais practices at St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania
Dr. Marais' primary practice is St Lukes University Hospital Bethlehem, at 801 Ostrum St, Bethlehem, PA 18015 in Northampton County. The practice phone is (610) 954-4000.
- St Lukes University Hospital Bethlehem801 Ostrum St, Bethlehem, PA 18015 · Northampton CountyPhone(610) 954-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jake R. Marais is affiliated with 9 sites of care and 3 medical groups
Dr. Marais' primary practice is St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania. Dr. Marais is also affiliated with St. Luke's University Hospital - Bethlehem Campus. The medical group on file is St. Luke's South Mountain Family Practice. Dmand AI also links Dr. Marais to 4 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. Jake R. Marais' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marais practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Lukes University Hospital Bethlehem | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jake R. Marais is one of 1,206 cardiologists in Pennsylvania
Cardiovascular disease is Dr. Marais' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Marais is licensed in Pennsylvania.
Specialties and state licenses
- Cardiovascular disease, PennsylvaniaPrimary
Cardiologists near Dr. Marais
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. Jake R. Marais billed Medicare for 3,680 services in 2024
CMS data shows 3,680 Medicare services from Dr. Marais across 23 procedure codes in 2024, for 1,768 Medicare patients. Medicare paid $146,018 for them.
Dr. Marais' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,0362024: 2,27225%
- Office and hospital visits
- 2023: 1,2492024: 1,1806%
- Other services
- 2023: 02024: 181
- Imaging
- 2023: 462024: 472%
Where Dr. Marais' Medicare services took place, 2024
- In an office1,38138%
- In a facility2,29962%
Dr. Marais compared with the Pennsylvania median for cardiologists, 2024
- Dr. Marais
- Pennsylvania median
- Medicare services
- 3,680vs 1,7452.1 times
- Medicare patients
- 1,768vs 8552.1 times
- Part D claims
- 5,982vs 1,6693.6 times
Medians across 1,207 cardiologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Marais' 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. Jake R. Marais treated 1,768 Medicare patients in 2024, average age 77
CMS counts 1,768 Medicare patients who saw Dr. Marais in 2024. The largest group is 75 to 84, with 677 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.91, 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. Marais' median patient age at 72, with 47% women.
Dr. Marais' Medicare patients by age, 2024
Dr. Marais' Medicare patients by sex, 2024
- Women91252%
- Men85648%
Chronic conditions among Dr. Marais' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease49%
- Ischemic heart disease46%
- Atrial fibrillation41%
- Anxiety38%
- Heart failure38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marais' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jake R. Marais wrote 6,198 Medicare Part D claims in 2024
In 2024, Dr. Marais wrote 6,198 Medicare Part D claims for 816 patients. 87% of them were for generic drugs. CMS names the drug for 5,982 of them, across 61 drugs with 11 or more claims each, at $868,821 in total drug cost. In 2023, CMS named 5,667 claims across 53 drugs.
Dr. Marais' Part D claims by kind of drug, 2024
- Generic5,365 claims87%
- Brand-name833 claims13%
Dr. Marais' 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. Marais' Part D claims, 2024
- Antibiotics0%12 of 6,198 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: 5,6672024: 5,9826%
Drugs named by CMS: 61 in 2024, 53 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. Jake R. Marais scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Marais for performance year 2024, reported through an alternative payment model (APM). Dr. Marais accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marais as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Marais' MIPS scores, performance year 2024
- 97of 100Final score
- 82.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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
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Dr. Jake R. Marais received $2,654 in industry payments from 2016 to 2025
CMS Open Payments shows 103 general payments to Dr. Marais from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $943.
General payments to Dr. Marais by program year, 2016 to 2025
General payments to Dr. Marais by kind, 2016 to 2025
- Food and beverage$2,648100%
- Education$70%
Companies that paid Dr. Marais 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. Jake R. Marais graduated from Drexel University College of Medicine
Dr. Marais graduated from Drexel University College of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jake R. Marais'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jake R. Marais
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. Jake R. Marais' NPI number?
Dr. Jake R. Marais' NPI number is 1447475082. It was assigned on April 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jake R. Marais?
Dr. Jake R. Marais is a cardiologist in Bethlehem, Pennsylvania. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Jake R. Marais practice?
Dr. Marais practices at 801 Ostrum St, Bethlehem, PA 18015. Dr. Marais' primary practice is St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania. Dmand AI also links Dr. Marais to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Jake R. Marais' office phone number?
The practice phone on file for Dr. Marais is (610) 954-4000.
What is Dr. Jake R. Marais' medical license number?
Dr. Marais holds Pennsylvania license MD434430.
Which hospitals is Dr. Jake R. Marais affiliated with?
Dr. Marais is affiliated with St. Luke's University Hospital - Bethlehem Campus. Dmand AI links Dr. Marais to 4 more hospitals.
What medical group is Dr. Jake R. Marais part of?
Dr. Marais is linked to St. Luke's South Mountain Family Practice. Dmand AI links Dr. Marais to 2 more medical groups.
Does Dr. Jake R. Marais accept Medicare?
Yes. CMS data shows Dr. Marais billed Medicare for 3,680 services in 2024, and Dr. Marais accepts Medicare assignment.
Does Dr. Jake R. Marais offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marais as offering telehealth services.
What is Dr. Jake R. Marais' MIPS score?
Dr. Marais' MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Jake R. Marais see?
CMS counts 1,768 Medicare patients who saw Dr. Marais in 2024, with an average age of 77.
What services does Dr. Jake R. Marais bill to Medicare?
In 2024, Dr. Marais' most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. Jake R. Marais go to medical school?
Dr. Marais graduated from Drexel University College of Medicine in 2005.
What drugs does Dr. Jake R. Marais prescribe most?
In 2024 Medicare Part D data, Dr. Marais' most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Jake R. Marais received payments from drug or device companies?
CMS Open Payments shows $2,654 in general payments to Dr. Marais from 18 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Jake R. Marais been practicing?
Dr. Marais graduated from medical school in 2005, 21 years ago.
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