Front Immunol
B7 AntigensT-Lymphocytes, RegulatoryTumor Microenvironment
Dr. Alexander Stephen Martin, MD
NPI1568816262PAC ID6305171943
- Medicare services, 2024
- 390
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 200
- Publications
- 2
- Hospital affiliations
- 4
- 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. Martin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Alexander Stephen Martin is a hematologist and oncologist in Mendon, Massachusetts
Dr. Martin practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Martin's NPI, 1568816262, was assigned on April 19, 2016. Dr. Martin graduated from University of Cincinnati College of Medicine in 2016. Dr. Martin holds Massachusetts license 278858.
NPI and contact details
- NPI
- 1568816262NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305171943
- NPI enumeration date
- April 19, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Stephen Martin practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Martin'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. Alexander Stephen Martin is affiliated with 5 sites of care and 1 medical group
Dr. Martin's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Martin is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Martin to 3 more hospitals, each named with a free account.
Umass Memorial Medical CenterPrimary
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. Alexander Stephen Martin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Martin practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alexander Stephen Martin is one of 429 hematologists and oncologists in Massachusetts
Hematology and oncology is Dr. Martin's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Martin is licensed in Massachusetts.
Specialties and state licenses
- Hematology and oncology, MassachusettsPrimary
Hematologists and oncologists near Dr. Martin
Counts of hematologists and oncologists 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. Alexander Stephen Martin billed Medicare for 390 services in 2024
CMS data shows 390 Medicare services from Dr. Martin across 6 procedure codes in 2024, for 154 Medicare patients. Medicare paid $32,221 for them.
Medicare services, 2024390
Medicare patients154
Paid by Medicare$32,221
Procedure codes6
Dr. Martin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 522024: 310496%
- Other services
- 2023: 02024: 80
Where Dr. Martin's Medicare services took place, 2024
- In an office8722%
- In a facility30378%
Dr. Martin compared with the Massachusetts median for hematologists and oncologists, 2024
- Dr. Martin
- Massachusetts median
- Medicare services
- 390vs 49521% below
- Medicare patients
- 154vs 20023% below
- Part D claims
- 108vs 15128% below
Medians across 415 hematologists and oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Martin'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.
Need commercial claims for Dr. Martin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martin and other hematologists and oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Stephen Martin treated 154 Medicare patients in 2024, average age 73
CMS counts 154 Medicare patients who saw Dr. Martin in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.25, 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. Martin's median patient age at 75, with 39% women.
Medicare patients, 2024154
Average age73
Average risk score2.25
Also on Medicaid37%
Dr. Martin's Medicare patients by age, 2024
Dr. Martin's Medicare patients by sex, 2024
- Women6442%
- Men9058%
Chronic conditions among Dr. Martin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer50%
- Chronic kidney disease43%
- Diabetes40%
- Arthritis39%
- COPD36%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Stephen Martin wrote 200 Medicare Part D claims in 2024
In 2024, Dr. Martin wrote 200 Medicare Part D claims for 63 patients. 93% of them were for generic drugs. CMS names the drug for 108 of them, across 6 drugs with 11 or more claims each, at $1,455 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Part D claims, 2024200
Drugs named by CMS6
Total drug cost$1,455
Part D patients63
Dr. Martin's Part D claims by kind of drug, 2024
- Generic185 claims93%
- Brand-name15 claims8%
Dr. Martin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Martin's Part D claims, 2024
- Opioids14%28 of 200 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 132024: 108731%
Drugs named by CMS: 6 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Alexander Stephen Martin offers telehealth to Medicare patients
Dr. Martin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Martin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find hematologists and oncologists like Dr. Martin by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alexander Stephen Martin has 2 publications on record
Dmand AI links 2 papers to Dr. Martin, published from 2020 to 2023. Dr. Martin's most frequent co-authors are Jerry Lee, MD and Naoto T. Ueno, MD, PhD.
Papers2
Years published2020 to 2023
Dr. Martin's most frequent co-authors
Recent publications by Dr. Martin
See who Dr. Martin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Martin works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexander Stephen Martin received $362 in industry payments from 2023 to 2025
CMS Open Payments shows 6 general payments to Dr. Martin from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Acera Surgical, Inc. paid the most, $175.
General payments to Dr. Martin by program year, 2023 to 2025
Companies that paid Dr. Martin the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander Stephen Martin graduated from University of Cincinnati College of Medicine
Dr. Martin graduated from University of Cincinnati College of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Stephen Martin'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 and Drug (CMS) (opens in a new tab)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Alexander Stephen Martin
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. Alexander Stephen Martin's NPI number?
Dr. Alexander Stephen Martin's NPI number is 1568816262. It was assigned on April 19, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Stephen Martin?
Dr. Alexander Stephen Martin is a hematologist and oncologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Alexander Stephen Martin practice?
Dr. Martin practices at 55 North Ave, Mendon, MA 01756. Dr. Martin's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Martin to 3 hospitals.
What is Dr. Alexander Stephen Martin's office phone number?
The practice phone on file for Dr. Martin is (508) 334-1000.
What is Dr. Alexander Stephen Martin's medical license number?
Dr. Martin holds Massachusetts license 278858.
Which hospitals is Dr. Alexander Stephen Martin affiliated with?
Dr. Martin is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Martin to 3 more hospitals.
What medical group is Dr. Alexander Stephen Martin part of?
Dr. Martin is linked to UMass Memorial Medical Group.
Does Dr. Alexander Stephen Martin accept Medicare?
Yes. CMS data shows Dr. Martin billed Medicare for 390 services in 2024, and Dr. Martin accepts Medicare assignment.
Does Dr. Alexander Stephen Martin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Martin as offering telehealth services.
How many Medicare patients does Dr. Alexander Stephen Martin see?
CMS counts 154 Medicare patients who saw Dr. Martin in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Alexander Stephen Martin bill to Medicare?
In 2024, Dr. Martin's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Alexander Stephen Martin go to medical school?
Dr. Martin graduated from University of Cincinnati College of Medicine in 2016.
What drugs does Dr. Alexander Stephen Martin prescribe most?
In 2024 Medicare Part D data, Dr. Martin's most prescribed drugs by claims were Prochlorperazine Maleate, Ondansetron HCl and Gabapentin.
Has Dr. Alexander Stephen Martin received payments from drug or device companies?
CMS Open Payments shows $362 in general payments to Dr. Martin from 5 companies from 2023 to 2025. The largest total came from Acera Surgical, Inc.
How long has Dr. Alexander Stephen Martin been practicing?
Dr. Martin graduated from medical school in 2016, 10 years ago.
Does Dr. Alexander Stephen Martin do research?
Dmand AI links 2 publications to Dr. Martin, published from 2020 to 2023.
Who does Dr. Alexander Stephen Martin publish with?
Dr. Martin's most frequent co-authors are Jerry Lee, MD (1 shared paper) and Naoto T. Ueno, MD, PhD (1 shared paper).
Selling to hematology and oncology practices?
See hematologists and oncologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card