Ellen Arrabal Chacon, NP

  • Sykesville, MD
  • Primary care nurse practitioner
NPI1316703564PAC ID9931548419
Medicare patients, 2024
172
Part D claims, 2024
474
Industry payments
$108
Affiliated sites
2
Medical group
1
Practice address
1645 Liberty Rd Suite 204 Suite 204, Sykesville, MD 21784-6542
Practice phone
Call (410) 795-7737
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Drs Mez, Tan And Sarante

Primary care practice · Sykesville, Maryland

See all 3 affiliations

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Ellen Arrabal Chacon is a primary care nurse practitioner in Sykesville, Maryland

Ellen Chacon practices at Drs Mez, Tan And Sarante in Sykesville, Maryland.

Ellen Chacon's NPI, 1316703564, was assigned on February 26, 2024. Ellen Chacon holds Maryland license R184690.

NPI and contact details
Medicare PAC ID
9931548419
NPI enumeration date
February 26, 2024
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 795-7737
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Ellen Arrabal Chacon practices at Drs Mez, Tan and Sarante in Sykesville, Maryland

Ellen Chacon's primary practice is Drs Mez, Tan and Sarante, at 1645 Liberty Rd Suite 204 Suite 204, Sykesville, MD 21784-6542. The practice phone is (410) 795-7737.

  • Drs Mez, Tan and Sarante
    1645 Liberty Rd Suite 204 Suite 204, Sykesville, MD 21784-6542Phone(410) 795-7737

Source: Dmand AI Affiliation Data

Ellen Arrabal Chacon is affiliated with 2 sites of care and 1 medical group

Ellen Chacon's primary practice is Drs Mez, Tan And Sarante in Sykesville, Maryland. The medical group on file is Drs. Mez, Tan and Sarante. Dmand AI also links Ellen Chacon to 1 more home health agency, named with a free account.

Drs Mez, Tan And SarantePrimary care practice · Sykesville, MarylandPrimary
Drs. Mez, Tan and SarantePrimary care group, Sykesville, MD1 home health agencyName with a free account
See all 3 affiliations for Ellen Chacon

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Ellen Arrabal Chacon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ellen Chacon practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Drs Mez, Tan And SaranteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Ellen Arrabal Chacon is one of 216 primary care nurse practitioners in Maryland

Primary care is Ellen Chacon's primary specialty in the NPI Registry, under taxonomy code 363LP2300X. Ellen Chacon is licensed in Maryland.

Specialties and state licenses

  • Primary care nurse practitioner, MarylandPrimaryLicense R184690 · taxonomy 363LP2300X

Primary care nurse practitioners near Ellen Chacon

Counts of primary care nurse practitioners 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

Ellen Arrabal Chacon treated 172 Medicare patients in 2024, average age 75

CMS counts 172 Medicare patients who saw Ellen Chacon in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ellen Chacon's median patient age at 56, with 56% women.

Medicare patients, 2024172
Average age75
Average risk score0.94

Ellen Chacon's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Ellen Chacon's Medicare patients by sex, 2024

  • Women10662%
  • Men6638%

Chronic conditions among Ellen Chacon's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Diabetes28%
  5. Ischemic heart disease24%
  6. Depression23%
  7. Mood disorders23%
  8. Anxiety22%

Share of Medicare patients with each condition. A patient can have several.

Ellen Chacon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Ellen Arrabal Chacon wrote 474 Medicare Part D claims in 2024

In 2024, Ellen Chacon wrote 474 Medicare Part D claims for 197 patients. 90% of them were for generic drugs.

Part D claims, 2024474
Part D patients197

Ellen Chacon's Part D claims by kind of drug, 2024

  • Generic427 claims90%
  • Brand-name47 claims10%

Drug classes CMS tracks in Ellen Chacon's Part D claims, 2024

  • Opioids2%11 of 474 claims
  • Antibiotics21%100 of 474 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Ellen Arrabal Chacon offers telehealth to Medicare patients

Ellen Chacon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ellen Chacon as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Ellen Arrabal Chacon received $108 in industry payments in 2025

CMS Open Payments shows 5 general payments to Ellen Chacon from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $26.

Companies that paid Ellen Chacon the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Ellen Chacon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Ellen Arrabal Chacon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ellen Arrabal Chacon

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ellen Arrabal Chacon's NPI number?

Ellen Arrabal Chacon's NPI number is 1316703564. It was assigned on February 26, 2024, and it is active in the NPI Registry.

What does Ellen Arrabal Chacon specialize in?

Ellen Arrabal Chacon is a primary care nurse practitioner in Sykesville, Maryland. The primary specialty in the NPI Registry is Primary Care Nurse Practitioner (taxonomy code 363LP2300X).

Where does Ellen Arrabal Chacon practice?

Ellen Chacon practices at 1645 Liberty Rd Suite 204 Suite 204, Sykesville, MD 21784-6542. Ellen Chacon's primary practice is Drs Mez, Tan And Sarante in Sykesville, Maryland. Dmand AI also links Ellen Chacon to 1 home health agency.

What is Ellen Arrabal Chacon's office phone number?

The practice phone on file for Ellen Chacon is (410) 795-7737.

What is Ellen Arrabal Chacon's medical license number?

Ellen Chacon holds Maryland license R184690.

What medical group is Ellen Arrabal Chacon part of?

Ellen Chacon is linked to Drs. Mez, Tan and Sarante.

Does Ellen Arrabal Chacon accept Medicare?

Yes. CMS lists Ellen Chacon as accepting Medicare assignment.

Does Ellen Arrabal Chacon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Ellen Chacon as offering telehealth services.

How many Medicare patients does Ellen Arrabal Chacon see?

CMS counts 172 Medicare patients who saw Ellen Chacon in 2024, with an average age of 75.

Has Ellen Arrabal Chacon received payments from drug or device companies?

CMS Open Payments shows $108 in general payments to Ellen Chacon from 5 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Ellen Arrabal Chacon been practicing?

Ellen Chacon graduated from medical school in 2023, 3 years ago.

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