NPPES file of Aug 9, 2026

Sonya Lopez

Hospice and Palliative Medicine (Internal Medicine) Physician · Dallas, TX

Sonya Lopez is a hospice and palliative medicine (internal medicine) physician with a practice address in Dallas, Texas, and NPI 1871903013, issued on Apr 28, 2014. Check the license (Texas R3554, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871903013
Name
Sonya Lopez
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License numbers
R3554 TX
20776208 TX
Self-reported in NPPES; status is on the state search
Practice location
3410 Worth St Ste 820, Dallas, TX 75246
Phone
(214) 820-9248
Enumerated
Apr 28, 2014
Record last updated
Jan 16, 2023
Medicare enrollment
Enrolled (PECOS I20181204001579); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hospice and palliative medicine (internal medicine) physician records → All 169 in Texas → Look up another NPI →

Also registered at 3410 Worth St Ste 820

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andrea Arango, MDHospice and Palliative Medicine (Internal Medicine) Physician1699271791
  2. Derek Chui, DOHospice and Palliative Medicine (Family Medicine) Physician1669903886
  3. Emmanuel Mantilla, DONeurology Physician1477757730
  4. Divya Mella, M.DNeurology Physician1013275213
  5. Sina Najafi, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1780048637
  6. Elizabeth Ramirez, AGACNP-BCAcute Care Nurse Practitioner1609512177

Verify Sonya Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R3554    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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28% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

532 Medicare Part D claims for 93 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 260 claims were for opioids.

  1. Sonya Lopez532
  2. Specialty average741

Most prescribed

  1. Hydrocodone-Acetaminophen77 claims
  2. Gabapentin58 claims
  3. Oxycodone Hcl56 claims
  4. Methadone Hcl43 claims
  5. Morphine Sulfate Er30 claims
  6. Fentanyl20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Healthtexas Provider NetworkDallas, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sonya Lopez among 169 hospice and palliative medicine (internal medicine) physician records in Texas

Sonya Lopez is one of 169 hospice and palliative medicine (internal medicine) physician records with a practice address in Texas. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.

  • NPI issued2014 · 58% of these records are older, 36% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2014 · median 2012 among the 136 with a school on file
  • Record last updated2023 · 30% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in Texas

There are 169 hospice and palliative medicine (internal medicine) physician records in Texas.

All 169 in Texas → Every provider in Dallas → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →

The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes

  1. Andrea Arango, MDDallas, TX 752461699271791
  2. Elizabeth Brown, MDDallas, TX 752461881030070
  3. Mark Casanova, M.D.Dallas, TX 752461154332088
  4. Robert Fine, M.D.Dallas, TX 752461720090178
  5. Kathy Ligon, M.D.Dallas, TX 752461780867531
  6. Sina Najafi, D.O.Dallas, TX 752461780048637
  7. Ann Nguyen, M.D.Dallas, TX 752461225323694
  8. Krishna SarmaDallas, TX 752461447712336

Common questions

What is Sonya Lopez's NPI number?

Sonya Lopez's National Provider Identifier (NPI) is 1871903013, issued on Apr 28, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sonya Lopez located?

The NPPES record lists a practice address at 3410 Worth St Ste 820, Dallas, TX, 75246. Phone: (214) 820-9248. Providers update this record themselves, so call before visiting.

How can I verify Sonya Lopez's license?

NPPES lists Texas license number R3554, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sonya Lopez prescribe under Medicare Part D?

In 2024, Sonya Lopez had 532 Medicare Part D claims for 93 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.