What is Ellen Spar's specialty?

Ellen Spar (NPI 1285686386) is a Medicare-billing provider whose primary specialty is Internal Medicine in Boston, MA.

Where does Ellen Spar practice?

Ellen Spar practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1285686386.

How much does Medicare pay Ellen Spar?

Ellen Spar (NPI 1285686386) received approximately $70K in total Medicare Part B payments, serving 259 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1285686386

Ellen SparM.D.

Internal MedicineBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,260

Unique beneficiaries

—

Total services

2,933

Distinct HCPCS

Medicare payment

$57K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

5,782

Beneficiaries

—

Total drug cost

$507K

Distinct drugs

Brand share

19.9%

Top prescribed drugs

Atorvastatin Calcium578 claims

Amlodipine Besylate377 claims

Levothyroxine Sodium246 claims

Losartan Potassium240 claims

Omeprazole213 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Ellen Spar's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	18	97
CLANCY, JANE	11	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BETH ISRAEL DEACONESS MEDICAL CENTER, INC.	25	133
Noelle Lawler Physician Assistant · Boston, MA	20	92
Geoffrey Hirsowitz Cardiology · Boston, MA	13	37
Patricia Come Internal Medicine · Boston, MA	11	32
Mina Sehizadeh Optometry · Boston, MA	11	43
GULATI, PRAVEEN	11	42
SEQUEIRA, SHOBA	11	25

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events