Matthew Jonathan Spitzer, MD
Endocrinology, Diabetes & Metabolism
Matthew Jonathan Spitzer is an Endocrinology, Diabetes & Metabolism specialist based in Greenfield, MA with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Patients across MA can see Matthew Jonathan Spitzer, MD in person in Greenfield or via virtual visit — no travel required. A State University of New York Downstate Medical Center graduate since 2007, he brings 19+ years of experience. He regularly sees Medicare patients with high cholesterol, hypertension, and diabetes (per CMS claims data).
Older · 787dNPPES updated 2024-03-27 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
329 Conway St, Greenfield, MA 01301-1521
How Does This Doctor Compare?
Generic Rx
↑ Higher = better58.4%
Massachusetts avg: 81.9 · US avg: 82.8
⚠ Lower than most doctors nationally(-24.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
514
Unique beneficiaries
High volumePrescription Recipients
587
Patients prescribed
Prescriptions Written
5,113
Total claims
Total Medicare drug cost: $3.34M
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 Diabetes.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+1%) — 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 (-3%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+11%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-10%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+20%) — a focus area for this doctor
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%↑ More patients than average (+1%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-3%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$101 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 Matthew Jonathan Spitzer's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2007
Suny Downstate Health Sciences University
Board certified · Mar 26, 2024
Self-reported via NPPES
19 years in practice
Experienced
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Education & Training
State University of New York Downstate Medical Center (Class of 2007)
Virtual Endocrinology, Diabetes & Metabolism Care With Matthew Jonathan Spitzer
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Matthew Jonathan Spitzer for cholesterol management, blood pressure monitoring, diabetes check-ins — no travel to Greenfield 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 Matthew Jonathan Spitzer
Dr. Spitzer is listed as active in the NPI registry with telehealth listed in Greenfield, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (413) 774-6301.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Matthew Jonathan Spitzer
Practice Location
329 Conway St, Greenfield, MA 01301-1521
Mailing Address
329 Conway St, Greenfield, MA 01301-1521
This is a provider directory. Contact the office directly to schedule appointments.
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