Quick answers
- Does Howard L. Martin Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Howard L. Martin Iii 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 Howard L. Martin Iii see?
- In 2024, CMS data shows 14,302 Original Medicare patients and 33,193 services for Howard L. Martin Iii. This counts Original Medicare only and measures volume, not quality.
- What is Howard L. Martin Iii's NPI number?
- 1366421927. 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 Howard L. Martin Iii, 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 | 14,302 |
|---|---|
| Services billed to Medicare | 33,193 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)16,890 services
- Testing for presence of drug, by chemistry analyzers (80307)2,618 services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0480)2,025 services
- Detection test by nucleic acid for organism, amplified probe technique (87798)1,859 services
- Special stained specimen slides to examine tissue, initial procedure (88342)1,710 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%
- Arthritis55%
- Ischemic heart disease33%
- Diabetes29%
- Chronic kidney disease26%
Practice locations
Addresses where Howard L. Martin Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 4131 Directors RowHouston, TX 77092 (877) 697‑2447
- 4582 N 1st Ave, Suite 120Tucson, AZ 85718 (877) 697‑2447
Group practices
Medicare enrollment lists Howard L. Martin Iii as a member of this group (CMS data updated October 2, 2026).
- Sagis PLLC29 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Sagis PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366421927 |
| 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