Quick answers
- Does Melissa O. Nikolaidis accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa O. Nikolaidis 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 Melissa O. Nikolaidis see?
- In 2024, CMS data shows 22 Original Medicare patients and 32 services for Melissa O. Nikolaidis. This counts Original Medicare only and measures volume, not quality.
- What is Melissa O. Nikolaidis's NPI number?
- 1205078433. 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 Melissa O. Nikolaidis, 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 | 22 |
|---|---|
| Services billed to Medicare | 32 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
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 cholesterol64%
- Diabetes50%
- Anxiety50%
Practice locations
Addresses where Melissa O. Nikolaidis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1502 Taub LoopHouston, TX 77030 (713) 873‑4900
- 1504 Taub LoopHouston, TX 77030 (713) 873‑2000
- 3601 N Macgregor WayHouston, TX 77004 (713) 873‑4700
Group practices
Medicare enrollment lists Melissa O. Nikolaidis as a member of this group (CMS data updated October 2, 2026).
- Baylor College of Medicine809 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Baylor College of Medicine
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205078433 |
| 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