High-Risk Obstetric Registered Nurse providers in the U.S.
137 NPPES records list high-risk obstetric registered nurse as their primary taxonomy; Montana and Texas have the most per resident. 2 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 163WX0002X means
163WX0002X is the National Uniform Claim Committee code for Registered Nurse, Obstetric, High-Risk, in the grouping Nursing Service Providers. 137 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 163WX0002X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Houston has the most, 8
Source: CMS NPPES, primary taxonomy 163WX0002X by practice city, file of Aug 9, 2026.
All 31 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Arizona | 11 | 0.1 |
| California | 13 | 0.0 |
| Colorado | 4 | 0.1 |
| Connecticut | 1 | 0.0 |
| Florida | 4 | 0.0 |
| Georgia | 4 | 0.0 |
| Hawaii | 1 | 0.1 |
| Illinois | 3 | 0.0 |
| Indiana | 3 | 0.0 |
| Iowa | 1 | 0.0 |
| Kentucky | 3 | 0.1 |
| Louisiana | 1 | 0.0 |
| Maryland | 4 | 0.1 |
| Massachusetts | 1 | 0.0 |
| Michigan | 4 | 0.0 |
| Minnesota | 2 | 0.0 |
| State | Records | Per 100,000 |
|---|---|---|
| Missouri | 3 | 0.0 |
| Montana | 2 | 0.2 |
| Nevada | 1 | 0.0 |
| New Jersey | 3 | 0.0 |
| New Mexico | 1 | 0.0 |
| New York | 8 | 0.0 |
| North Carolina | 12 | 0.1 |
| Ohio | 7 | 0.1 |
| Oregon | 2 | 0.0 |
| Tennessee | 6 | 0.1 |
| Texas | 22 | 0.1 |
| Utah | 3 | 0.1 |
| Virginia | 1 | 0.0 |
| Washington | 4 | 0.1 |
| Wisconsin | 2 | 0.0 |
In federal data
- NUCC code163WX0002X · Registered Nurse
- Size rank491st of 688 specialties by records (0% of all)
- In its family43rd of 56 Registered Nurse codes, 0.1% of the family
- Part D prescribers2 (1.5% of records)
- Part D claims38 a year per prescriber, on average (429th of 496)
- Industry payments6 physicians paid $708 in 2024, $118 each on average
- Concentration6 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 high-risk obstetric registered nurse records
- April Harris, RNPhoenix, AZ1447318480
- Doris Cleveland, RNPhoenix, AZ1619172525
- Wendy RazoPhoenix, AZ1003045329
- Wendy Davis, REGISTERED NURSSEPhoenix, AZ1295046357
- Zubaidat Bello, RNPhoenix, AZ1285945170
- Nancy May, RN, MSNPhoenix, AZ1245581495
- Victoria Burton, RNPhoenix, AZ1225862188
- Samantha Muro, RNMesa, AZ1487489324
- Rosa Garcia, FNPNogales, AZ1255308300
- Katherine Novotny, RNFlagstaff, AZ1962361923
- Judy Vernon, RNTuba City, AZ1396046546
- Robert LuceroLos Angeles, CA1417836859
Registry order, not a ranking. Search by name to find one provider.
Common questions
Why is High-Risk Obstetric Registered Nurse a thin NUCC code in NPPES?
Only 137 NPIs list High-Risk Obstetric Registered Nurse as primary taxonomy across 31 states (peak Texas, 22). That is 491st of 688 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.
Do the few High-Risk Obstetric Registered Nurse NPIs in Open Payments look unusual?
CMS Open Payments 2024 lists 6 paid High-Risk Obstetric Registered Nurse physicians totaling $708 (30 payments; average $118, 408th of 470 by average). Presence is not a quality judgment; thin specialties often have sparse payment rows.
How much Part D prescribing does this specialty do?
Among High-Risk Obstetric Registered Nurse NPIs, 2 appear in the Medicare Part D Prescriber PUF (average 38 claims and $882 drug cost per prescriber; 429th of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
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.