William Pfeiffer, MD
NPI 1427098029 · Vascular & Interventional Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Pfeiffer, MD is a Vascular & Interventional Radiology Physician provider in Houston, TX (NPI 1427098029).
Provider details
- NPI number
- 1427098029
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- F9948 (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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,058 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 905 | $8 |
| X-Ray of Abdomen, 1 View74018 | 632 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 350 | $84 |
| X-Ray of Foot, Minimum of 3 Views73630 | 202 | $8 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 172 | $81 |
| Ct Scan of Chest With Contrast71260 | 159 | $53 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2013-07-18
Frequently asked questions
- What is William Pfeiffer's NPI number?
- William Pfeiffer's National Provider Identifier (NPI) is 1427098029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Pfeiffer's specialty?
- William Pfeiffer is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Pfeiffer located?
- William Pfeiffer's practice location on file with NPPES is 7026 Old Katy Rd, Houston, TX 77024-2133.
- What is William Pfeiffer's phone number?
- The practice phone number listed in the NPPES registry for William Pfeiffer is (713) 621-7436.
- Does William Pfeiffer accept Medicare?
- William Pfeiffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Pfeiffer's NPI active?
- Yes — William Pfeiffer's NPI (1427098029) is active in the NPPES registry as of the last update on 2013-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.