Ericka Walker Williams, M.D.
NPI 1285885228 · Internal Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ericka Walker Williams, M.D. is a Internal Medicine Physician provider in Dallas, TX (NPI 1285885228).
Provider details
- NPI number
- 1285885228
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P4129 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
284 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $85 |
| Blood Creatinine Level82565 | 32 | $5 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $128 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $158 |
Typical Medicare-allowed amounts for these services range $5–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 451 | 163 |
| Atorvastatin Calcium | 344 | 128 |
| Losartan Potassium | 254 | 86 |
| Semaglutidebrand: Ozempic | 183 | 42 |
| Rosuvastatin Calcium | 169 | 70 |
| Levothyroxine Sodium | 163 | 55 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-08
- Last updated
- 2022-05-12
- Certified
- 2022-05-12
Frequently asked questions
- What is Ericka Walker Williams's NPI number?
- Ericka Walker Williams's National Provider Identifier (NPI) is 1285885228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ericka Walker Williams's specialty?
- Ericka Walker Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ericka Walker Williams located?
- Ericka Walker Williams's practice location on file with NPPES is 3550 W Camp Wisdom Rd, Dallas, TX 75237-2506.
- What is Ericka Walker Williams's phone number?
- The practice phone number listed in the NPPES registry for Ericka Walker Williams is (214) 648-2992.
- Does Ericka Walker Williams accept Medicare?
- Ericka Walker Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ericka Walker Williams's NPI active?
- Yes — Ericka Walker Williams's NPI (1285885228) is active in the NPPES registry as of the last update on 2022-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.