Dr. Justine I. Blum, MD
- Medicare services, 2024
- 375
- Medicare patients, 2024
- 144
- Part D claims, 2024
- 63
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Justine I. Blum is an internist in Boston, Massachusetts
Dr. Blum practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Blum's NPI, 1245626795, was assigned on April 11, 2015. Dr. Blum graduated from Emory University School of Medicine in 2015. Dr. Blum holds Massachusetts license 274874.
- NPI
- 1245626795NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456671718
- NPI enumeration date
- April 11, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Justine I. Blum practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Blum's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Justine I. Blum is affiliated with 1 site of care and 3 medical groups
Dr. Blum's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Blum to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justine I. Blum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justine I. Blum is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Blum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Blum is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Blum
Counts of internists 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. Justine I. Blum billed Medicare for 375 services in 2024
CMS data shows 375 Medicare services from Dr. Blum across 5 procedure codes in 2024, for 144 Medicare patients. Medicare paid $32,694 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Blum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6282024: 37540%
Dr. Blum compared with the Massachusetts median for internists, 2024
- Dr. Blum
- Massachusetts median
- Medicare services
- 375vs 43113% below
- Medicare patients
- 144vs 19426% below
- Part D claims
- 194vs 40252% below
Medians across 5,369 internists 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blum and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justine I. Blum treated 144 Medicare patients in 2024, average age 76
CMS counts 144 Medicare patients who saw Dr. Blum in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 3.03, 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 74, with 47% women.
Dr. Blum's Medicare patients by age, 2024
Dr. Blum's Medicare patients by sex, 2024
- Women8156%
- Men6344%
Chronic conditions among Dr. Blum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Anxiety56%
- Chronic kidney disease56%
- Heart failure55%
- Diabetes54%
- Ischemic heart disease53%
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 74
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justine I. Blum wrote 63 Medicare Part D claims in 2024
In 2024, Dr. Blum wrote 63 Medicare Part D claims for 24 patients. 79% of them were for generic drugs. They cover 14 drugs, with $10,596 in total drug cost. In 2016, CMS named 12 claims across 1 drug.
Dr. Blum's Part D claims by kind of drug, 2024
- Generic50 claims79%
- Brand-name and other13 claims21%
Dr. Blum's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 122017: 1941517%
Drugs named by CMS: 14 in 2017, 1 in 2016.
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
How Dr. Justine I. 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. Justine I. Blum graduated from Emory University School of Medicine
Dr. Blum graduated from Emory University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justine I. 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) |
| 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) |
| 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. Justine I. 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. Justine I. Blum's NPI number?
Dr. Justine I. Blum's NPI number is 1245626795. It was assigned on April 11, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Justine I. Blum?
Dr. Justine I. Blum is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Justine I. Blum practice?
Dr. Blum practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Blum's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Blum to 2 medical groups.
What is Dr. Justine I. Blum's office phone number?
The practice phone on file for Dr. Blum is (617) 667-7000.
What is Dr. Justine I. Blum's medical license number?
Dr. Blum holds Massachusetts license 274874.
Which hospitals is Dr. Justine I. Blum affiliated with?
Dr. Blum practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Dr. Justine I. Blum part of?
Dr. Blum is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Blum to 2 more medical groups.
Does Dr. Justine I. Blum accept Medicare?
Yes. CMS data shows Dr. Blum billed Medicare for 375 services in 2024, and Dr. Blum accepts Medicare assignment.
How many Medicare patients does Dr. Justine I. Blum see?
CMS counts 144 Medicare patients who saw Dr. Blum in 2024, with an average age of 76.
What services does Dr. Justine I. 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 (99223).
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Where did Dr. Justine I. Blum go to medical school?
Dr. Blum graduated from Emory University School of Medicine in 2015.
What drugs does Dr. Justine I. Blum prescribe most?
In 2017 Medicare Part D data, Dr. Blum's most prescribed drugs by claims were Ventolin Hfa, Sertraline HCl and Atorvastatin Calcium.
How long has Dr. Justine I. Blum been practicing?
Dr. Blum graduated from medical school in 2015, 11 years ago.
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