Samuel Willis, MD
NPI 1396892410 · Family Medicine Physician · Pasadena, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Willis, MD is a Family Medicine Physician provider in Pasadena, TX (NPI 1396892410).
Provider details
- NPI number
- 1396892410
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- M5584 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
96 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $96 |
Typical Medicare-allowed amounts for these services range $66–$96 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 147 | 51 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 110 | 19 |
| Amlodipine Besylate | 91 | 30 |
| Losartan Potassium | 75 | 26 |
| Tramadol Hcl | 71 | 14 |
| Omeprazole | 66 | 18 |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (1)
- 1 Baylor PlzDepartment of Family MedicineHouston, TX 77030-3411Phone: (713) 798-7700
Registry dates
- Enumerated
- 2007-01-03
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Samuel Willis's NPI number?
- Samuel Willis's National Provider Identifier (NPI) is 1396892410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Willis's specialty?
- Samuel Willis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Willis located?
- Samuel Willis's practice location on file with NPPES is 927 Shaw Ave, Pasadena, TX 77506-1430.
- What is Samuel Willis's phone number?
- The practice phone number listed in the NPPES registry for Samuel Willis is (713) 982-5900.
- Does Samuel Willis accept Medicare?
- Samuel Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Willis's NPI active?
- Yes — Samuel Willis's NPI (1396892410) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.