Dr. Ellen Spar, MD
- Medicare services, 2024
- 2,933
- Medicare patients, 2024
- 259
- Part D claims, 2024
- 6,460
- Hospital affiliations
- 4
- Medical group
- 1
- Practice address
- 275 Grove St, Auburndale, MA 02466
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrius Health, Inc.
Auburndale, Massachusetts
Find Dr. Spar'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. Ellen Spar is an internist in Auburndale, Massachusetts
Dr. Spar practices at Atrius Health, Inc. in Auburndale, Massachusetts.
Dr. Spar's NPI, 1285686386, was assigned on May 17, 2006. Dr. Spar graduated from Jefferson Medical College of Thomas Jefferson University in 1987. Dr. Spar holds Massachusetts license 72200.
- NPI
- 1285686386NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052368537
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ellen Spar practices at Atrius Health, Inc. in Auburndale, Massachusetts
Dr. Spar's primary practice is Atrius Health, Inc., at 275 Grove St, Auburndale, MA 02466 in Middlesex County. The practice phone is (617) 421-1000.
- Atrius Health, Inc.275 Grove St, Auburndale, MA 02466 · Middlesex CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ellen Spar is affiliated with 7 sites of care and 1 medical group
Dr. Spar's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dr. Spar is also affiliated with Brigham and Women's Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Spar to 3 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ellen Spar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spar practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrius Health, Inc. | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ellen Spar is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Spar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Spar is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Spar
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. Ellen Spar billed Medicare for 2,933 services in 2024
CMS data shows 2,933 Medicare services from Dr. Spar across 46 procedure codes in 2024, for 259 Medicare patients. Medicare paid $57,104 for them. Every service was in an office.
Dr. Spar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,1312024: 1,89811%
- Surgery
- 2023: 4052024: 4347%
- Office and hospital visits
- 2023: 2682024: 2603%
- Other services
- 2023: 2222024: 2314%
- Tests and treatments
- 2023: 862024: 11028%
Dr. Spar compared with the Massachusetts median for internists, 2024
- Dr. Spar
- Massachusetts median
- Medicare services
- 2,933vs 4316.8 times
- Medicare patients
- 259vs 19434% above
- Part D claims
- 5,782vs 40214.4 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Spar'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. Ellen Spar treated 259 Medicare patients in 2024, average age 76
CMS counts 259 Medicare patients who saw Dr. Spar in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Spar's median patient age at 73, with 77% women.
Dr. Spar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Spar's Medicare patients by sex, 2024
- Women20278%
- Men5722%
Chronic conditions among Dr. Spar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis45%
- Chronic kidney disease30%
- Diabetes27%
- Osteoporosis27%
- Mood disorders25%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ellen Spar wrote 6,460 Medicare Part D claims in 2024
In 2024, Dr. Spar wrote 6,460 Medicare Part D claims for 464 patients. 87% of them were for generic drugs. CMS names the drug for 5,782 of them, across 108 drugs with 11 or more claims each, at $506,654 in total drug cost. In 2023, CMS named 5,778 claims across 103 drugs.
Dr. Spar's Part D claims by kind of drug, 2024
- Generic5,590 claims87%
- Brand-name818 claims13%
- Other52 claims1%
Dr. Spar'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. Spar's Part D claims, 2024
- Opioids3%176 of 6,460 claims
- Antibiotics2%99 of 6,460 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: 5,7782024: 5,782No change
Drugs named by CMS: 108 in 2024, 103 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. Ellen Spar offers telehealth to Medicare patients
Dr. Spar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ellen Spar graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Spar graduated from Jefferson Medical College of Thomas Jefferson University in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ellen Spar'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 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. Ellen Spar
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. Ellen Spar's NPI number?
Dr. Ellen Spar's NPI number is 1285686386. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ellen Spar?
Dr. Ellen Spar is an internist in Auburndale, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ellen Spar practice?
Dr. Spar practices at 275 Grove St, Auburndale, MA 02466. Dr. Spar's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dmand AI also links Dr. Spar to 3 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Ellen Spar's office phone number?
The practice phone on file for Dr. Spar is (617) 421-1000.
What is Dr. Ellen Spar's medical license number?
Dr. Spar holds Massachusetts license 72200.
Which hospitals is Dr. Ellen Spar affiliated with?
Dr. Spar is affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Spar to 3 more hospitals.
What medical group is Dr. Ellen Spar part of?
Dr. Spar is linked to Atrius Health.
Does Dr. Ellen Spar accept Medicare?
Yes. CMS data shows Dr. Spar billed Medicare for 2,933 services in 2024, and Dr. Spar accepts Medicare assignment.
Does Dr. Ellen Spar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Spar as offering telehealth services.
How many Medicare patients does Dr. Ellen Spar see?
CMS counts 259 Medicare patients who saw Dr. Spar in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Ellen Spar bill to Medicare?
In 2024, Dr. Spar's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80061) and lab and pathology test (83036).
Where did Dr. Ellen Spar go to medical school?
Dr. Spar graduated from Jefferson Medical College of Thomas Jefferson University in 1987.
What drugs does Dr. Ellen Spar prescribe most?
In 2024 Medicare Part D data, Dr. Spar's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Dr. Ellen Spar been practicing?
Dr. Spar graduated from medical school in 1987, 39 years ago.
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