Dr. Martin A. Reznek, MD
- Medicare services, 2024
- 167
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 20
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Reznek's professional email, personal email and mobile number
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Dr. Martin A. Reznek is an emergency medicine physician in Mendon, Massachusetts
Dr. Reznek practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Reznek's NPI, 1568492957, was assigned on July 3, 2006. Dr. Reznek graduated from Baylor College of Medicine in 1999. Dr. Reznek holds Massachusetts license 242534.
- NPI
- 1568492957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698743540
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martin A. Reznek practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Reznek's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Martin A. Reznek is affiliated with 2 sites of care and 1 medical group
Dr. Reznek's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Reznek is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Martin A. Reznek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reznek practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martin A. Reznek is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Reznek's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Reznek is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Reznek
Counts of emergency medicine physicians 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. Martin A. Reznek billed Medicare for 167 services in 2024
CMS data shows 167 Medicare services from Dr. Reznek across 5 procedure codes in 2024, for 170 Medicare patients. Medicare paid $20,331 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Reznek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1222024: 16737%
Dr. Reznek compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Reznek
- Massachusetts median
- Medicare services
- 167vs 34151% below
- Medicare patients
- 170vs 33750% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Reznek's 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. Martin A. Reznek treated 170 Medicare patients in 2024, average age 72
CMS counts 170 Medicare patients who saw Dr. Reznek in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.54, 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. Reznek's median patient age at 67, with 59% women.
Dr. Reznek's Medicare patients by age, 2024
Dr. Reznek's Medicare patients by sex, 2024
- Women8852%
- Men8248%
Chronic conditions among Dr. Reznek's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Mood disorders50%
- Anxiety47%
- Depression46%
- Ischemic heart disease42%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reznek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martin A. Reznek wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Reznek wrote 20 Medicare Part D claims for 13 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Martin A. Reznek scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Reznek for performance year 2024, reported through an alternative payment model (APM). Dr. Reznek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Reznek's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 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. Martin A. Reznek received $101,834 in industry payments from 2017 to 2024
CMS Open Payments shows 15 general payments to Dr. Reznek from 1 drug or device company from 2017 to 2024. Consulting fees make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $101,834.
General payments to Dr. Reznek by program year, 2017 to 2024
Companies that paid Dr. Reznek the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin A. Reznek graduated from Baylor College of Medicine
Dr. Reznek graduated from Baylor College of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin A. Reznek'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 DataDmand AI Org Hierarchy 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 (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. Martin A. Reznek
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. Martin A. Reznek's NPI number?
Dr. Martin A. Reznek's NPI number is 1568492957. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin A. Reznek?
Dr. Martin A. Reznek is an emergency medicine physician in Mendon, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Martin A. Reznek practice?
Dr. Reznek practices at 55 North Ave, Mendon, MA 01756. Dr. Reznek's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts.
What is Dr. Martin A. Reznek's office phone number?
The practice phone on file for Dr. Reznek is (508) 334-1000.
What is Dr. Martin A. Reznek's medical license number?
Dr. Reznek holds Massachusetts license 242534.
Which hospitals is Dr. Martin A. Reznek affiliated with?
Dr. Reznek is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Martin A. Reznek part of?
Dr. Reznek is linked to UMass Memorial Medical Group.
Does Dr. Martin A. Reznek accept Medicare?
Yes. CMS data shows Dr. Reznek billed Medicare for 167 services in 2024, and Dr. Reznek accepts Medicare assignment.
What is Dr. Martin A. Reznek's MIPS score?
Dr. Reznek's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Martin A. Reznek see?
CMS counts 170 Medicare patients who saw Dr. Reznek in 2024, with an average age of 72.
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What services does Dr. Martin A. Reznek bill to Medicare?
In 2024, Dr. Reznek's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Martin A. Reznek go to medical school?
Dr. Reznek graduated from Baylor College of Medicine in 1999.
Has Dr. Martin A. Reznek received payments from drug or device companies?
CMS Open Payments shows $101,834 in general payments to Dr. Reznek from 1 company from 2017 to 2024. The largest total came from Gilead Sciences, Inc.
How long has Dr. Martin A. Reznek been practicing?
Dr. Reznek graduated from medical school in 1999, 27 years ago.
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