J Immunother Cancer
Drug-Related Side Effects and Adverse ReactionsImmune Checkpoint Inhibitors
Dr. Steven Michael Blum, MD
NPI1447632823PAC ID7214244466
- Medicare services, 2024
- 97
- Medicare patients, 2024
- 31
- Publications
- 17
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Blum'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. Steven Michael Blum is a hematologist and oncologist in Boston, Massachusetts
Dr. Blum practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Blum's NPI, 1447632823, was assigned on June 23, 2015. Dr. Blum graduated from University of California, Geffen School of Medicine in 2015. Dr. Blum holds Massachusetts license 275274.
NPI and contact details
- NPI
- 1447632823NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214244466
- NPI enumeration date
- June 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Michael Blum practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Blum's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Steven Michael Blum is affiliated with 2 sites of care and 2 medical groups
Dr. Blum's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Blum to 1 more community health center and 1 medical group, each named with a free account.
Massachusetts General Physicians Organization (MGPO)1 community health centerName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. BlumSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven Michael Blum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blum practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Steven Michael Blum is one of 429 hematologists and oncologists in Massachusetts
Hematology and oncology is Dr. Blum's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Blum is licensed in Massachusetts.
Specialties and state licenses
- Hematology and oncology, MassachusettsPrimary
Hematologists and oncologists near Dr. Blum
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
429hematologists and oncologists in Massachusetts224hematologists and oncologists in Boston73hematologists and oncologists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven Michael Blum billed Medicare for 97 services in 2024
CMS data shows 97 Medicare services from Dr. Blum across 3 procedure codes in 2024, for 31 Medicare patients. Medicare paid $8,311 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202497
Medicare patients31
Paid by Medicare$8,311
Procedure codes3
Dr. Blum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 822024: 9718%
Dr. Blum compared with the Massachusetts median for hematologists and oncologists, 2024
- Dr. Blum
- Massachusetts median
- Medicare services
- 97vs 49580% below
- Medicare patients
- 31vs 20085% below
Medians across 415 hematologists and oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Blum'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. Steven Michael Blum treated 31 Medicare patients in 2024, average age 74
CMS counts 31 Medicare patients who saw Dr. Blum in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.18, 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. Blum's median patient age at 66, with 47% women.
Medicare patients, 202431
Average age74
Average risk score3.18
Dr. Blum's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Blum's Medicare patients by sex, 2024
- Women1548%
- Men1652%
Chronic conditions among Dr. Blum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety68%
- Cancer61%
- Mood disorders58%
- Depression52%
- Arthritis48%
- Chronic kidney disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Steven Michael Blum takes part in Medicare
Dr. Blum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steven Michael Blum has 17 publications on record
Dmand AI links 17 papers to Dr. Blum, published from 2020 to 2025. 2023 was the busiest year, with 4. The most frequent topics are Immune Checkpoint Inhibitors, Drug Compounding and Drug-Related Side Effects and Adverse Reactions. Dr. Blum has published most often in J Immunother Cancer. Dr. Blum's most frequent co-authors are Genevieve M. Boland, MD, PhD, Molly F. Thomas, MD, PhD and Daniel Aaron Zlotoff, MD.
Papers17
Years published2020 to 2025
Dr. Blum's papers by year, 2020 to 2025
Topics Dr. Blum writes about most
- Immune Checkpoint Inhibitors
- Drug Compounding
- Drug-Related Side Effects and Adverse Reactions
- Immunotherapy
- Ipilimumab
- Melanoma
- Stomach Neoplasms
- Tumor Microenvironment
Dr. Blum's most frequent co-authors
- Genevieve M. Boland, MD, PhD4 shared papers
- Molly F. Thomas, MD, PhD4 shared papers
- Daniel Aaron Zlotoff, MD4 shared papers
Recent publications by Dr. Blum
Nature
AutoantigensBloodB-Lymphocytes
Electronic Health RecordsImmune Checkpoint InhibitorsInternational Classification of Diseases
Gastroenterology
Antigens, CDBiomarkers, TumorCadherins
See who Dr. Blum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blum 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. Steven Michael Blum graduated from University of California, Geffen School of Medicine
Dr. Blum graduated from University of California, Geffen School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven Michael Blum'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 |
| 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. Steven Michael Blum
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. Steven Michael Blum's NPI number?
Dr. Steven Michael Blum's NPI number is 1447632823. It was assigned on June 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Michael Blum?
Dr. Steven Michael Blum is a hematologist and oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Steven Michael Blum practice?
Dr. Blum practices at 55 Fruit Street, Boston, MA 02114. Dr. Blum's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Blum to 1 community health center and 1 medical group.
What is Dr. Steven Michael Blum's office phone number?
The practice phone on file for Dr. Blum is (617) 726-2000.
What is Dr. Steven Michael Blum's medical license number?
Dr. Blum holds Massachusetts license 275274.
Which hospitals is Dr. Steven Michael Blum affiliated with?
Dr. Blum practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Steven Michael Blum part of?
Dr. Blum is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Blum to 1 more medical group.
Does Dr. Steven Michael Blum accept Medicare?
Yes. CMS data shows Dr. Blum billed Medicare for 97 services in 2024, and Dr. Blum accepts Medicare assignment.
How many Medicare patients does Dr. Steven Michael Blum see?
CMS counts 31 Medicare patients who saw Dr. Blum in 2024, with an average age of 74.
What services does Dr. Steven Michael Blum bill to Medicare?
In 2024, Dr. Blum's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Steven Michael Blum go to medical school?
Dr. Blum graduated from University of California, Geffen School of Medicine in 2015.
How long has Dr. Steven Michael Blum been practicing?
Dr. Blum graduated from medical school in 2015, 11 years ago.
Does Dr. Steven Michael Blum do research?
Dmand AI links 17 publications to Dr. Blum, published from 2020 to 2025.
Who does Dr. Steven Michael Blum publish with?
Dr. Blum's most frequent co-authors are Genevieve M. Boland, MD, PhD (4 shared papers), Molly F. Thomas, MD, PhD (4 shared papers) and Daniel Aaron Zlotoff, MD (4 shared papers).
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