NPPES file of Aug 9, 2026

Silvia M. Sierra Flores, MD

Internal Medicine Physician · Las Cruces, NM

Silvia M. Sierra Flores, MD is an internal medicine physician with a practice address in Las Cruces, New Mexico, and NPI 1134112410, issued on Aug 23, 2005. Check the license (New Mexico 2002-0108, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134112410
Name
Silvia M. Sierra Flores
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2002-0108 NM
Self-reported in NPPES; status is on the state search
Practice location
4141 Camino Coyote Ste B, Las Cruces, NM 88011
Phone
(575) 522-1010
Enumerated
Aug 23, 2005
Record last updated
Jun 22, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(575) 521-0404
Medicare enrollment
Enrolled (PECOS I20040124000406); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 1993
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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Verify Silvia M. Sierra Flores in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical Board
    Search for license 2002-0108
    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 New Mexico license search

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23% more Medicare Part D claims than the average internal medicine physician in 2024

3,903 Medicare Part D claims for 278 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 18 claims were for opioids.

  1. Silvia Sierra Flores3,903
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium228 claims
  2. Amlodipine Besylate215 claims
  3. Atorvastatin Calcium152 claims
  4. Lisinopril143 claims
  5. Losartan Potassium133 claims
  6. Hydrochlorothiazide118 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.

The MIPS final score for 2023 (Medicare payment program): 19.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%65.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $177.48

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Silvia Sierra Flores$177.48
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Silvia M. Sierra Flores among 770 internal medicine physician records in New Mexico

Silvia M. Sierra Flores, MD is one of 770 internal medicine physician records with a practice address in New Mexico. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1993 · median 2009 among the 447 with a school on file
  • Record last updated2010 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 internal medicine physician records list a practice address in Las Cruces

They are 52 of the 5,468 NPPES records with a practice address in Las Cruces, and 770 internal medicine physician records in New Mexico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Francis Attiogbe, M.D.Las Cruces, NM 880111457346652
  2. Harry BassLas Cruces, NM 880111952398364
  3. Michael Bell, M.D.Las Cruces, NM 880111851397723
  4. Louis Benevento, MDLas Cruces, NM 880111063445666
  5. Angelica Caglia, MDLas Cruces, NM 880111861486201
  6. Virginia Corpus, MD, FACPLas Cruces, NM 880111144225160
  7. John Glick, M.D.Las Cruces, NM 880111811904337
  8. Ernest JabourLas Cruces, NM 880111306815691

Common questions

What is Silvia M. Sierra Flores, MD's NPI number?

Silvia M. Sierra Flores, MD's National Provider Identifier (NPI) is 1134112410, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Silvia M. Sierra Flores, MD located?

The NPPES record lists a practice address at 4141 Camino Coyote Ste B, Las Cruces, NM, 88011. Phone: (575) 522-1010. Providers update this record themselves, so call before visiting.

How can I verify Silvia M. Sierra Flores, MD's license?

NPPES lists New Mexico license number 2002-0108, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Silvia M. Sierra Flores, MD prescribe under Medicare Part D?

In 2024, Silvia M. Sierra Flores, MD had 3,903 Medicare Part D claims for 278 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Silvia M. Sierra Flores, MD's MIPS final score?

The 2023 MIPS final score is 19.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.