Ellen Spar, M.D.
Ellen Spar is an Internal Medicine specialist based in Boston, MA with over 39 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Ellen Spar, M.D. practices as part of a group internist practice in Boston, MA. A Jefferson Medical College of Thomas Jefferson University graduate since 1987, she brings 39+ years of experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 23% of reporting doctors in Massachusetts
- Uses generic medications more than 40% of reporting doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 2018dNPPES updated 2020-11-17 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
133 Brookline Ave Internal Medicine, Boston, MA 02215-3904
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better3.41%
Massachusetts avg: 4 · US avg: 5.1
✓ Higher than most doctors nationally(-1.7 pts)
3.41% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better85.6%
Massachusetts avg: 81.9 · US avg: 82.8
✓ Higher than most doctors nationally(+2.8 pts)
Typical range among reporting doctors in MassachusettsHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
262
Unique beneficiaries
Standard volumePrescription Recipients
501
Patients prescribed
Prescriptions Written
6,506
Total claims
Total Medicare drug cost: $772k
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%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-1%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-7%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+6%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-9%) — 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 · 1987
Sidney Kimmel Medical College at Thomas Jefferson University
Board certified · Nov 16, 2020
Self-reported via NPPES
39 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
Jefferson Medical College of Thomas Jefferson University (Class of 1987)
Mailing address
133 Brookline Ave Internal Medicine, Boston, MA 02215
Differs from practice location
Virtual Internal Medicine Care With Ellen Spar
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ellen Spar for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Boston 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 Ellen Spar
NPI records show Dr. Spar as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 421-8843.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Ellen Spar
Practice Location
133 Brookline Ave Internal Medicine, Boston, MA 02215-3904
Mailing Address
133 Brookline Ave Internal Medicine, Boston, MA 02215
This is a provider directory. Contact the office directly to schedule appointments.
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