Zacharia Isaac, MD
Pain Medicine Physical Medicine & Rehabilitation
Physical Medicine & Rehabilitation
Zacharia Isaac is a Pain Medicine Physical Medicine & Rehabilitation specialist based in Boston, MA with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 30 years in physical medicine & rehabilitation, Zacharia Isaac, MD is a long-established pain medicine physical medicine & rehabilitation specialist in Boston. Trained at Jefferson Medical College of Thomas Jefferson University (class of 1996), he has been practicing for over 30 years. Among his Medicare patients, common conditions include high cholesterol, arthritis, and hypertension (per CMS data).
At a glance
- Uses generic medications more than 94% of reporting doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 5322dNPPES updated 2011-10-28 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better6.56%
Massachusetts avg: 4 · US avg: 5.1
⚠ Lower than most doctors nationally(+1.5 pts)
6.56% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better99.1%
Massachusetts avg: 81.9 · US avg: 82.8
✓ Higher than most doctors nationally(+16.3 pts)
Top 6% of reporting doctors in MassachusettsHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
938
Unique beneficiaries
High volumePrescription Recipients
436
Patients prescribed
Prescriptions Written
1,800
Total claims
Total Medicare drug cost: $57k
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, Arthritis, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-1%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-4%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+8%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-7%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$202 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Zacharia Isaac's NPI.
Patient Reviews
No patient reviews yet. If you've seen Zacharia Isaac, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
Sidney Kimmel Medical College at Thomas Jefferson University
30 years in practice
Senior practitioner
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
Taxonomy: 2081P2900X
Education & Training
Jefferson Medical College of Thomas Jefferson University (Class of 1996)
Mailing address
10 Hoosic Dr, Canton, MA 02021-1226
Differs from practice location
Virtual Pain Medicine Care With Zacharia Isaac
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Zacharia Isaac for cholesterol management, arthritis follow-ups, blood pressure monitoring — 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 Zacharia Isaac
NPI records show Dr. Isaac as active with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 573-2188.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Zacharia Isaac
Practice Location
125 Nashua St, Boston, MA 02114-1101
Mailing Address
10 Hoosic Dr, Canton, MA 02021-1226
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Pain Medicine Physical Medicine & Rehabilitation in Massachusetts
See allAnatoly P Shalnov, M.D.
Cambridge, MA
Richard N. Norris, MD
Northampton, MA
Gary I Polykoff, MD
Boston, MA