Susan Williams, MD
NPI 1174603427 · Geriatric Medicine (Internal Medicine) Physician · Houston, TX
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Williams, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Houston, TX (NPI 1174603427).
Provider details
- NPI number
- 1174603427
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- K2138 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,944 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 601 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 506 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 388 | $185 |
| Administration of Influenza Virus VaccineG0008 | 88 | $33 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 62 | $121 |
| Administration of Pneumococcal Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 392 | 108 |
| Amlodipine Besylate | 331 | 103 |
| Atorvastatin Calcium | 313 | 91 |
| Trazodone Hcl | 219 | 76 |
| Lisinopril | 196 | 53 |
| Rosuvastatin Calcium | 193 | 61 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 6620 Main StHouston, TX 77030-2348Phone: (713) 798-2500Fax: (713) 798-2505
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2023-12-22
- Certified
- 2023-12-22
Frequently asked questions
- What is Susan Williams's NPI number?
- Susan Williams's National Provider Identifier (NPI) is 1174603427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Williams's specialty?
- Susan Williams is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Williams located?
- Susan Williams's practice location on file with NPPES is 1504 Taub Loop, Houston, TX 77030-1608.
- What is Susan Williams's phone number?
- The practice phone number listed in the NPPES registry for Susan Williams is (713) 798-3967.
- Does Susan Williams accept Medicare?
- Susan Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Williams's NPI active?
- Yes — Susan Williams's NPI (1174603427) is active in the NPPES registry as of the last update on 2023-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.