NPPES file of Aug 9, 2026

Susan Williams, MD

Geriatric Medicine (Internal Medicine) Physician · Houston, TX

Susan Williams, MD is a geriatric medicine (internal medicine) physician with a practice address in Houston, Texas, and NPI 1174603427, issued on Oct 17, 2006. Check the license (Texas K2138, 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
1174603427
Name
Susan Williams
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
K2138 TX
Self-reported in NPPES; status is on the state search
Practice location
1504 Taub Loop, Houston, TX 77030
Phone
(713) 798-3967
Enumerated
Oct 17, 2006
Record last updated
Dec 22, 2023
Medicaid ID
042967202 TX
Medicare enrollment
Enrolled (PECOS I20100610000806); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1995
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 1504 Taub Loop

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

  1. Kelechi AbarikwuEmergency Medicine Physician1316527609
  2. Robert Abbitt, AGACNP-BCAcute Care Nurse Practitioner1588165765
  3. Waleed Abdellatif, MBBCH, MSC, MSHPEDiagnostic Radiology Physician1629737770
  4. Roba Abousaway, MDStudent in an Organized Health Care Education/Training Program1396689360
  5. Shiny AbrahamNurse Practitioner1669857124
  6. Christina Ackerman-Banks, MDMaternal & Fetal Medicine Physician1568840494

Verify Susan Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K2138
    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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88% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

7,962 Medicare Part D claims for 605 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 165 claims were for opioids.

  1. Susan Williams7,962
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium392 claims
  2. Amlodipine Besylate331 claims
  3. Atorvastatin Calcium313 claims
  4. Trazodone Hcl219 claims
  5. Lisinopril196 claims
  6. Rosuvastatin Calcium193 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): 91.3 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 score81.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%89.1
  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: $22.81

1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Susan Williams$22.81
  2. Specialty average$1,720.82

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. Action Therapy Centers LimitedHouston, TX
  2. Baylor College OF MedicineHouston, TX

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

Susan Williams among 256 geriatric medicine (internal medicine) physician records in Texas

Susan Williams, MD is one of 256 geriatric medicine (internal medicine) physician records with a practice address in Texas. 71% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 44% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1995 · median 2000 among the 143 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Texas

There are 256 geriatric medicine (internal medicine) physician records in Texas.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Kathryn Agarwal, M.D.Houston, TX 770301528173580
  2. Ursula Braun, MD, MPHHouston, TX 770301609893601
  3. Alexie Cintron, MDHouston, TX 770301386611051
  4. Glenda Coleman, M.D.Houston, TX 770301578587275
  5. Aimee Garcia, M.D.Houston, TX 770301104863141
  6. Kristen Gateno, M.D.Houston, TX 770301831201367
  7. Anne-Marie Hajjar, M.D.Houston, TX 770301265419832
  8. Syed Imam, M.D.Houston, TX 770301619071719

Common questions

What is Susan Williams, MD's NPI number?

Susan Williams, MD's National Provider Identifier (NPI) is 1174603427, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Williams, MD located?

The NPPES record lists a practice address at 1504 Taub Loop, Houston, TX, 77030. Phone: (713) 798-3967. Providers update this record themselves, so call before visiting.

How can I verify Susan Williams, MD's license?

NPPES lists Texas license number K2138, 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 Susan Williams, MD prescribe under Medicare Part D?

In 2024, Susan Williams, MD had 7,962 Medicare Part D claims for 605 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Susan Williams, MD's MIPS final score?

The 2023 MIPS final score is 91.3 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.