Quick answers
- Does James F. Leffingwell accept Medicare assignment?
- Medicare's clinician data says James F. Leffingwell may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does James F. Leffingwell see?
- In 2024, CMS data shows 405 Original Medicare patients and 3,638 services for James F. Leffingwell. This counts Original Medicare only and measures volume, not quality.
- What is James F. Leffingwell's NPI number?
- 1356396493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for James F. Leffingwell, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 405 |
|---|---|
| Services billed to Medicare | 3,638 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)1,460 services
- Test for allergy using allergenic extract (95004)650 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)272 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)182 services
- Comprehensive hearing and speech recognition test (92557)149 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes32%
- Chronic kidney disease26%
- Ischemic heart disease24%
Hospitals where James F. Leffingwell works
Medicare's Facility Affiliation Data lists James F. Leffingwell at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baylor Scott & White Medical Center- WaxahachieWaxahachie, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450372
- Methodist Mansfield Medical CenterMansfield, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670023
- Methodist Midlothian Medical CenterMidlothian, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670300
- Texas Health Arlington Memorial HospitalArlington, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450064
Practice locations
Addresses where James F. Leffingwell is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 FM, 663 Suite 160Midlothian, TX 76065 (469) 856‑2476
- 2021 S 14th St, Suite 100Midlothian, TX 76065 (817) 261‑3000
- 801 E Debbie LnMansfield, TX 76063 (817) 261‑3000
Group practices
Medicare enrollment lists James F. Leffingwell as a member of these groups (CMS data updated October 2, 2026).
- Green Oaks Physical Therapy Limited Partnership242 clinicians in the group
- Cross Timbers Ent, PLLC13 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Midlothian
Clinicians with the same Medicare primary specialty in Midlothian, TX — not a recommendation.
Other clinicians in Green Oaks Physical Therapy Limited Partnership
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1356396493 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians