Quick answers
- Does Christalyn J. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Christalyn J. 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 Christalyn J. Williams see?
- In 2024, CMS data shows 331 Original Medicare patients and 444 services for Christalyn J. Williams. This counts Original Medicare only and measures volume, not quality.
- What is Christalyn J. Williams's NPI number?
- 1811425135. 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 Christalyn J. 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 | 331 |
|---|---|
| Services billed to Medicare | 444 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)325 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)118 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)59%
- Arthritis51%
- Ischemic heart disease44%
- Diabetes37%
Hospitals where Christalyn J. Williams works
Medicare's Facility Affiliation Data lists Christalyn J. 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.
- Baptist Medical Center EastMontgomery, AL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 010149
- Baptist Medical Center SouthMontgomery, AL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 010023
- Prattville Baptist HospitalPrattville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010108
Practice locations
Addresses where Christalyn J. Williams is enrolled with Medicare (CMS data updated October 2, 2026).
- 4145 Carmichael RdMontgomery, AL 36106 (334) 273‑7000
- 645 McQueen Smith Rd N, Suite 207Prattville, AL 36066 (334) 351‑1000
Group practices
Medicare enrollment lists Christalyn J. Williams as a member of this group (CMS data updated October 2, 2026).
- Health Care Authority for Baptist Health, An Affiliate of Uabhs277 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Montgomery
Clinicians with the same Medicare primary specialty in Montgomery, AL — not a recommendation.
Other clinicians in Health Care Authority for Baptist Health, An Affiliate of Uabhs
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811425135 |
| 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