Quick answers
- Does Harold C. Delasalas accept Medicare assignment?
- Yes. Medicare's clinician data says Harold C. Delasalas 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 Harold C. Delasalas see?
- In 2024, CMS data shows 104 Original Medicare patients and 7,077 services for Harold C. Delasalas. This counts Original Medicare only and measures volume, not quality.
- What is Harold C. Delasalas's NPI number?
- 1538329198. 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 Harold C. Delasalas, 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 | 104 |
|---|---|
| Services billed to Medicare | 7,077 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Test for allergy using allergenic extract (95004)2,576 services
- Professional service for preparation and provision of 1 or more antigens (95165)1,780 services
- Test for allergy using allergenic extract injected into skin (95024)955 services
- Professional service for multiple injections of allergen (95117)863 services
- Nasal smear for eosinophils (allergy related white blood cells) (89190)289 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 pressure73%
- Arthritis49%
- Asthma36%
- Diabetes25%
- Anxiety21%
Practice locations
Addresses where Harold C. Delasalas is enrolled with Medicare (CMS data updated October 2, 2026).
- 626 W Wheatland Rd, Suite BDuncanville, TX 75116 (972) 709‑6673
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538329198 |
| 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