Quick answers
- Does James R. Haden accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Haden accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does James R. Haden see?
- In 2024, CMS data shows 766 Original Medicare patients and 63,362 services for James R. Haden. This counts Original Medicare only and measures volume, not quality.
- What is James R. Haden's NPI number?
- 1588691125. 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 R. Haden, 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 | 766 |
|---|---|
| Services billed to Medicare | 63,362 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, omalizumab, 5 mg (J2357)17,955 services
- Test for allergy using allergenic extract (95004)13,583 services
- Professional service for preparation and provision of 1 or more antigens (95165)2,896 services
- Professional service for multiple injections of allergen (95117)2,885 services
- Test for allergy using allergenic extract injected into skin (95024)1,678 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 cholesterol75%
- High blood pressure72%
- Asthma54%
- Arthritis53%
- Diabetes26%
- Ischemic heart disease25%
Practice locations
Addresses where James R. Haden is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 College AveFort Worth, TX 76104 (817) 336‑8855
Group practices
Medicare enrollment lists James R. Haden as a member of this group (CMS data updated October 2, 2026).
- James R Haden MD PA2 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in Fort Worth
Clinicians with the same Medicare primary specialty in Fort Worth, TX — not a recommendation.
Other clinicians in James R Haden MD PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588691125 |
| 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
- 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