Microbiology Specialist/Technologist providers in the U.S.
66 NPPES records list microbiology specialist/technologist as their primary taxonomy; Vermont and Texas have the most per resident. A registry record is not proof of an active practice.
What taxonomy code 246QM0900X means
246QM0900X is the National Uniform Claim Committee code for Specialist/Technologist, Pathology, Microbiology, in the grouping Technologists, Technicians & Other Technical Service Providers. 66 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 246QM0900X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Houston has the most, 15
Source: CMS NPPES, primary taxonomy 246QM0900X by practice city, file of Aug 9, 2026.
All 19 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| California | 13 | 0.0 |
| Colorado | 1 | 0.0 |
| District of Columbia | 1 | 0.1 |
| Florida | 1 | 0.0 |
| Georgia | 4 | 0.0 |
| Maryland | 2 | 0.0 |
| Massachusetts | 2 | 0.0 |
| Michigan | 1 | 0.0 |
| Minnesota | 1 | 0.0 |
| New Jersey | 1 | 0.0 |
| State | Records | Per 100,000 |
|---|---|---|
| New York | 4 | 0.0 |
| North Carolina | 1 | 0.0 |
| Ohio | 7 | 0.1 |
| Pennsylvania | 4 | 0.0 |
| Tennessee | 1 | 0.0 |
| Texas | 18 | 0.1 |
| Vermont | 1 | 0.2 |
| Washington | 2 | 0.0 |
| West Virginia | 1 | 0.1 |
In federal data
- NUCC code246QM0900X · Specialist/Technologist, Pathology
- Size rank556th of 688 specialties by records (0% of all)
- In its family4th of 12 Specialist/Technologist, Pathology codes, 4.8% of the family
- Concentration3 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of microbiology specialist/technologist records
- Laura Minor, M(ASCP)Houston, TX1467568824
- Liane Tsai, MS, SM(ASCP)SVHouston, TX1720193238
- Bernard MarinoHouston, TX1326154600
- Shirley MooreHouston, TX1043326648
- Randa Kennon, MT(ASCP)Houston, TX1073620605
- Anne PhungHouston, TX1871600270
- Chau Nguyen, ASCPHouston, TX1710095336
- Mohiuddin SaleemHouston, TX1518075175
- Anh NguyenHouston, TX1255449880
- Janet Osborne, MT(ASCP)Houston, TX1326156290
- Patricia Byers, RM, M(ASCP), CICHouston, TX1316056559
- A Rhodes-WebbHouston, TX1730299421
Registry order, not a ranking. Search by name to find one provider.
Common questions
Why is Microbiology Specialist/Technologist a thin NUCC code in NPPES?
Only 66 NPIs list Microbiology Specialist/Technologist as primary taxonomy across 19 states (peak Texas, 18). That is 556th of 688 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.
Where can I still find a Microbiology Specialist/Technologist?
Microbiology Specialist/Technologist providers are listed in 19 states; Houston leads by raw city count. By national headcount this code sits just above Ergonomics Physical Therapist and just below Dental Laboratory Technician. Browse by state or search by name.
What does NUCC code 246QM0900X mean?
Microbiology Specialist/Technologist is NUCC taxonomy 246QM0900X in the Specialist/Technologist, Pathology group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.