John Fischer, M.D.
NPI 1437140597 · Vascular & Interventional Radiology Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Fischer, M.D. is a Vascular & Interventional Radiology Physician provider in Sugar Land, TX (NPI 1437140597).
Provider details
- NPI number
- 1437140597
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K1193 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
348 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 126 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 63 | $83 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 42 | $84 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 38 | $80 |
| Ct Scan of Chest Without Contrast71250 | 29 | $49 |
| Ct Scan of Chest With Contrast71260 | 22 | $51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 3 records (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 (3)
- 6720 Bertner St # Mc2-270Houston, TX 77030-2604Phone: (832) 355-4092Fax: (832) 355-2591
- 23510 Kingsland Blvd Ste 100Katy, TX 77494-4125Phone: (281) 565-0033Fax: (281) 565-0568
- 251 W Medical Center Blvd Ste 200Webster, TX 77598-4242Phone: (281) 565-0033Fax: (281) 565-0568
Registry dates
- Enumerated
- 2005-10-28
- Last updated
- 2024-07-18
- Certified
- 2024-07-18
Frequently asked questions
- What is John Fischer's NPI number?
- John Fischer's National Provider Identifier (NPI) is 1437140597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fischer's specialty?
- John Fischer is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Fischer located?
- John Fischer's practice location on file with NPPES is 4690 Sweetwater Blvd Ste 200, Sugar Land, TX 77479-3478.
- What is John Fischer's phone number?
- The practice phone number listed in the NPPES registry for John Fischer is (281) 565-0033.
- Does John Fischer accept Medicare?
- John Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Fischer's NPI active?
- Yes — John Fischer's NPI (1437140597) is active in the NPPES registry as of the last update on 2024-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.