John Marriott, D.O.
NPI 1134102668 · Diagnostic Radiology Physician · The Woodlands, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Marriott, D.O. is a Diagnostic Radiology Physician provider in The Woodlands, TX (NPI 1134102668).
Provider details
- NPI number
- 1134102668
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- K9343 (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
407 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 | 226 | $8 |
| X-Ray of Abdomen, 1 View74018 | 40 | $8 |
| X-Ray of Chest, 2 Views71046 | 36 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 23 | $37 |
| Ct Scan of Upper Spine Without Contrast72125 | 19 | $45 |
| Imaging for Evaluation of Swallowing Function74230 | 15 | $24 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2007-10-03
Frequently asked questions
- What is John Marriott's NPI number?
- John Marriott's National Provider Identifier (NPI) is 1134102668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marriott's specialty?
- John Marriott is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Marriott located?
- John Marriott's practice location on file with NPPES is 62 Grogans Point Rd, The Woodlands, TX 77380-2620.
- What is John Marriott's phone number?
- The practice phone number listed in the NPPES registry for John Marriott is (281) 292-7227.
- Does John Marriott accept Medicare?
- John Marriott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Marriott's NPI active?
- Yes — John Marriott's NPI (1134102668) is active in the NPPES registry as of the last update on 2007-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.