Cayla Williams, MD
NPI 1184002727 · Emergency Medicine Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cayla Williams, MD is a Emergency Medicine Physician provider in Kalamazoo, MI (NPI 1184002727).
Provider details
- NPI number
- 1184002727
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 63657 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
527 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 218 | $165 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 173 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 97 | $115 |
| Critical Care, First 30-74 Minutes99291 | 39 | $202 |
Typical Medicare-allowed amounts for these services range $8–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 42 | 42 |
| Prednisone | 28 | 28 |
| Methylprednisolone | 27 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | 22 |
| Tizanidine Hcl | 22 | 22 |
| Cephalexin | 21 | 21 |
| Doxycycline Hyclate | 15 | 15 |
Practice location
Mailing address
Additional practice locations (2)
- 1 Medical Park BlvdBristol, TN 37620-7453Phone: (423) 844-1121Fax: (423) 844-4202
- 130 W Ravine RdKingsport, TN 37660-3837Phone: (423) 224-4000
Registry dates
- Enumerated
- 2015-05-15
- Last updated
- 2023-01-31
- Certified
- 2023-01-31
Frequently asked questions
- What is Cayla Williams's NPI number?
- Cayla Williams's National Provider Identifier (NPI) is 1184002727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cayla Williams's specialty?
- Cayla Williams is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cayla Williams located?
- Cayla Williams's practice location on file with NPPES is 1009 Coolidge Ave, Kalamazoo, MI 49006-2119.
- What is Cayla Williams's phone number?
- The practice phone number listed in the NPPES registry for Cayla Williams is (864) 554-0258.
- Does Cayla Williams accept Medicare?
- Cayla Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cayla Williams's NPI active?
- Yes — Cayla Williams's NPI (1184002727) is active in the NPPES registry as of the last update on 2023-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.