John Loh, MD
NPI 1891895348 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Loh, MD is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1891895348).
Provider details
- NPI number
- 1891895348
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2003008575 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1,457 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) |
|---|---|---|
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 234 | $20 |
| X-Ray of Knee, 3 Views73562 | 213 | $9 |
| Limited Ultrasound Scan of Abdomen76705 | 157 | $26 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 149 | $9 |
| X-Ray of Knee, 1-2 Views73560 | 115 | $8 |
| Mri Scan of Leg Joint Without Contrast73721 | 88 | $62 |
Practice location
Mailing address
Additional practice locations (1)
- 703 Riverway PlBedford, NH 03110-6768Phone: (603) 627-1661Fax: (603) 669-6944
Registry dates
- Enumerated
- 2006-09-24
- Last updated
- 2021-02-09
- Certified
- 2021-02-09
Frequently asked questions
- What is John Loh's NPI number?
- John Loh's National Provider Identifier (NPI) is 1891895348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Loh's specialty?
- John Loh is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Loh located?
- John Loh's practice location on file with NPPES is 7026 Old Katy Rd Ste 276, Houston, TX 77024-2187.
- What is John Loh's phone number?
- The practice phone number listed in the NPPES registry for John Loh is (713) 621-7436.
- Does John Loh accept Medicare?
- John Loh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Loh's NPI active?
- Yes — John Loh's NPI (1891895348) is active in the NPPES registry as of the last update on 2021-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.