Quick answers
- Does Crystal D. Miller Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal D. Miller Williams 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 Crystal D. Miller Williams see?
- In 2024, CMS data shows 145 Original Medicare patients and 720 services for Crystal D. Miller Williams. This counts Original Medicare only and measures volume, not quality.
- What is Crystal D. Miller Williams's NPI number?
- 1750634770. 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 Crystal D. Miller Williams, 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 | 145 |
|---|---|
| Services billed to Medicare | 720 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)376 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)83 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)74 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)48 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 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%
- Diabetes49%
- Arthritis43%
- Chronic kidney disease31%
- Ischemic heart disease27%
Hospitals where Crystal D. Miller Williams works
Medicare's Facility Affiliation Data lists Crystal D. Miller Williams at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490022
Practice locations
Addresses where Crystal D. Miller Williams is enrolled with Medicare (CMS data updated October 2, 2026).
- 2533 Cowan BlvdFredericksburg, VA 22401 (540) 374‑1188
- 5012 S US Hwy 75, Suite 300Denison, TX 75020 (903) 416‑6015
Group practices
Medicare enrollment lists Crystal D. Miller Williams as a member of this group (CMS data updated October 2, 2026).
- Texomacare47 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Other clinicians in Texomacare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750634770 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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