Dr. Ellie Grossman, MD, MPH
- Medicare services, 2024
- 32
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 1,252
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1493 Cambridge Street, Cambridge, MA 02139
- Practice phone
- Call (617) 665-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Ellie Grossman is an internist in Cambridge, Massachusetts
Dr. Grossman practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
Dr. Grossman's NPI, 1659443497, was assigned on November 15, 2006. Dr. Grossman graduated from New York University Grossman School of Medicine in 2001. Dr. Grossman holds New York license 240144.
- NPI
- 1659443497NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022098631
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 665-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ellie Grossman practices at CHA Cambridge Hospital in Cambridge, Massachusetts
Dr. Grossman's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.
- CHA Cambridge Hospital1493 Cambridge Street, Cambridge, MA 02139 · Middlesex CountyPhone(617) 665-1000
Source: Dmand AI Affiliation Data
Dr. Ellie Grossman is affiliated with 1 site of care and 1 medical group
Dr. Grossman's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. The medical group on file is Cambridge Health Alliance. Dr. Grossman's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ellie Grossman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grossman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHA Cambridge Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ellie Grossman is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Grossman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grossman is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Grossman
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. Ellie Grossman billed Medicare for 32 services in 2024
CMS data shows 32 Medicare services from Dr. Grossman across 1 procedure code in 2024, all of them office visits, for 27 Medicare patients. Medicare paid $1,822 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grossman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 352024: 329%
Dr. Grossman compared with the Massachusetts median for internists, 2024
- Dr. Grossman
- Massachusetts median
- Medicare services
- 32vs 43193% below
- Medicare patients
- 27vs 19486% below
- Part D claims
- 851vs 4022.1 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Grossman'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. Ellie Grossman treated 27 Medicare patients in 2024, average age 69
CMS counts 27 Medicare patients who saw Dr. Grossman in 2024. The largest group is 65 to 74, with 11 patients. 44% of them have arthritis, and 44% have high blood pressure. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grossman's median patient age at 45, with 69% women.
Dr. Grossman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grossman's Medicare patients by sex, 2024
- Women1659%
- Men1141%
Chronic conditions among Dr. Grossman's Medicare patients, 2024
- Arthritis44%
- High blood pressure44%
- Mood disorders44%
- Depression41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grossman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ellie Grossman wrote 1,252 Medicare Part D claims in 2024
In 2024, Dr. Grossman wrote 1,252 Medicare Part D claims for 112 patients. 83% of them were for generic drugs. CMS names the drug for 851 of them, across 38 drugs with 11 or more claims each, at $80,136 in total drug cost. In 2023, CMS named 804 claims across 35 drugs.
Dr. Grossman's Part D claims by kind of drug, 2024
- Generic1,040 claims83%
- Brand-name and other212 claims17%
Dr. Grossman'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. Grossman's Part D claims, 2024
- Opioids4%50 of 1,252 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: 8042024: 8516%
Drugs named by CMS: 38 in 2024, 35 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. Ellie Grossman offers telehealth to Medicare patients
Dr. Grossman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grossman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ellie Grossman graduated from New York University Grossman School of Medicine
Dr. Grossman graduated from New York University Grossman School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ellie Grossman'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. Ellie Grossman
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. Ellie Grossman's NPI number?
Dr. Ellie Grossman's NPI number is 1659443497. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ellie Grossman?
Dr. Ellie Grossman is an internist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ellie Grossman practice?
Dr. Grossman practices at 1493 Cambridge Street, Cambridge, MA 02139. Dr. Grossman's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
What is Dr. Ellie Grossman's office phone number?
The practice phone on file for Dr. Grossman is (617) 665-1000.
What is Dr. Ellie Grossman's medical license number?
Dr. Grossman holds New York license 240144.
Which hospitals is Dr. Ellie Grossman affiliated with?
Dr. Grossman practices at CHA Cambridge Hospital in Cambridge, Massachusetts.
What medical group is Dr. Ellie Grossman part of?
Dr. Grossman is linked to Cambridge Health Alliance.
Does Dr. Ellie Grossman accept Medicare?
Yes. CMS data shows Dr. Grossman billed Medicare for 32 services in 2024, and Dr. Grossman accepts Medicare assignment.
Does Dr. Ellie Grossman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Grossman as offering telehealth services.
How many Medicare patients does Dr. Ellie Grossman see?
CMS counts 27 Medicare patients who saw Dr. Grossman in 2024, with an average age of 69.
Show 4 more questionsShow fewer questions
What services does Dr. Ellie Grossman bill to Medicare?
In 2024, Dr. Grossman's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Ellie Grossman go to medical school?
Dr. Grossman graduated from New York University Grossman School of Medicine in 2001.
What drugs does Dr. Ellie Grossman prescribe most?
In 2024 Medicare Part D data, Dr. Grossman's most prescribed drugs by claims were Buprenorphine-Naloxone, Atorvastatin Calcium and Omeprazole.
How long has Dr. Ellie Grossman been practicing?
Dr. Grossman graduated from medical school in 2001, 25 years ago.
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