NPPES file of Aug 9, 2026

Carmen M. Perez-Masuelli, M.D.,

Rheumatology Physician · Shenandoah, TX

Carmen M. Perez-Masuelli, M.D., is a rheumatology physician with a practice address in Shenandoah, Texas, and NPI 1770557795, issued on Feb 15, 2006. Check the license (Texas L0506, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770557795
Name
Carmen M. Perez-Masuelli
Credential
M.D.,
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
L0506 TX
Self-reported in NPPES; status is on the state search
Practice location
129 Vision Park Blvd Ste 206, Shenandoah, TX 77384
Phone
(281) 315-8130
Enumerated
Feb 15, 2006
Record last updated
Mar 3, 2026
Fax
(281) 315-8132
Medicaid ID
162609503 TX
Medicare enrollment
Enrolled (PECOS I20090803000201); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1994
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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Also registered at 129 Vision Park Blvd Ste 206

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

  1. Kalpita Hatti, MDRheumatology Physician1528297462
  2. Elizabeth Stapper, PA-CMedical Physician Assistant1427708981
  3. Anay Vallejo, PAPhysician Assistant1225513963
  4. Leslie Wilson, M.D.Rheumatology Physician1861466815

Verify Carmen M. Perez-Masuelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L0506
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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8% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,811 Medicare Part D claims for 357 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 119 claims were for opioids.

  1. Carmen Perez-Masuelli1,811
  2. Specialty average1,978

Most prescribed

  1. Methotrexate182 claims
  2. Hydroxychloroquine Sulfate132 claims
  3. Prednisone111 claims
  4. Gabapentin104 claims
  5. Duloxetine Hcl97 claims
  6. Leflunomide90 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $1,821.66

90 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carmen Perez-Masuelli$1,821.66
  2. Specialty average$8,538.33

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

Bills Medicare through 2 group practices

  1. Millennium Physicians Association PLLCHouston, TX
  2. Rheumatology Partners OF Houston, PLLCShenandoah, TX

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

Carmen M. Perez-Masuelli among 545 rheumatology physician records in Texas

Carmen M. Perez-Masuelli, M.D., is one of 545 rheumatology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 58% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1994 · median 2004 among the 417 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Texas

There are 545 rheumatology physician records in Texas.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Tonya Cockrill, MDShenandoah, TX 773841811122641
  2. Kalpita Hatti, MDShenandoah, TX 773841528297462
  3. Emily Hung, MDShenandoah, TX 773841043374366
  4. Enrique Medina Ortiz, MDShenandoah, TX 773841285159160
  5. Gwendoline Menga, DOConroe, TX 773841447496047
  6. Mohammad Ursani, M.D.Conroe, TX 773841083031421
  7. Leslie Wilson, M.D.Shenandoah, TX 773841861466815
  8. Holly Smith, M.D.Shenandoah, TX 773851053687970

Common questions

What is Carmen M. Perez-Masuelli, M.D.,'s NPI number?

Carmen M. Perez-Masuelli, M.D.,'s National Provider Identifier (NPI) is 1770557795, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carmen M. Perez-Masuelli, M.D., located?

The NPPES record lists a practice address at 129 Vision Park Blvd Ste 206, Shenandoah, TX, 77384. Phone: (281) 315-8130. Providers update this record themselves, so call before visiting.

How can I verify Carmen M. Perez-Masuelli, M.D.,'s license?

NPPES lists Texas license number L0506, 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 Carmen M. Perez-Masuelli, M.D., prescribe under Medicare Part D?

In 2024, Carmen M. Perez-Masuelli, M.D., had 1,811 Medicare Part D claims for 357 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Carmen M. Perez-Masuelli, M.D.,'s MIPS final score?

The 2023 MIPS final score is 100 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.