Marissa E Baltus, MD
Marissa E Baltus is an Internal Medicine specialist based in Burlington, MA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 38 years in internal medicine, Marissa E Baltus, MD is a long-established internist in Burlington. Trained at Tufts University School of Medicine (class of 1988), she has been practicing for over 38 years. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and arthritis. CMS MIPS quality score: 91.42/100 (2023).
At a glance
- Prescribes opioids less than 48% of reporting doctors in Massachusetts
- Uses generic medications more than 76% of reporting doctors in Massachusetts
- Federal MIPS score higher than 42% of MIPS-scored doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 1864dNPPES updated 2021-04-15 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
67 S Bedford St Ste 202e, Burlington, MA 01803-5141
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Massachusetts, prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202391.42/100
Massachusetts avg: 87.4 · US avg: 83.6
✓ Higher than most doctors nationally(+7.8 pts)
Average range among MIPS-scored doctors in MassachusettsHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better0.32%
Massachusetts avg: 4 · US avg: 5.1
✓ Higher than most doctors nationally(-4.8 pts)
Typical range among reporting doctors in Massachusetts0.32% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better92.1%
Massachusetts avg: 81.9 · US avg: 82.8
✓ Higher than most doctors nationally(+9.3 pts)
Better than 76% of reporting doctors in MassachusettsHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
371
Unique beneficiaries
Standard volumePrescription Recipients
668
Patients prescribed
Prescriptions Written
3,712
Total claims
Total Medicare drug cost: $288k
Percentile rankings compared against 1,606 reporting peers in Massachusetts.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-6%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-7%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+5%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-13%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Tufts University School of Medicine
Board certified · Apr 14, 2021
Self-reported via NPPES
38 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Tufts University School of Medicine (Class of 1988)
Mailing address
41 Mall Rd, Burlington, MA 01805-0001
Differs from practice location
Virtual Internal Medicine Care With Marissa E Baltus
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marissa E Baltus for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Burlington required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Marissa E Baltus
NPI records show Dr. Baltus as active with telehealth listed in Burlington, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (781) 744-7000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Marissa E Baltus
Practice Location
67 S Bedford St Ste 202e, Burlington, MA 01803-5141
Mailing Address
41 Mall Rd, Burlington, MA 01805-0001
This is a provider directory. Contact the office directly to schedule appointments.
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