Ericka R. Walker Williams, M.D.
Internal Medicine Physician · Dallas, TX
Ericka R. Walker Williams, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1285885228, issued on Oct 8, 2008. Check the license (Texas P4129, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ericka R. Walker Williams
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P4129 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3550 W Camp Wisdom RD, Dallas, TX 75237
- Phone
- (214) 648-2992
- Enumerated
- Oct 8, 2008
- Record last updated
- May 12, 2022
- Medicare enrollment
- Enrolled (PECOS I20120823000709); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3550 W Camp Wisdom RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ericka R. Walker Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P4129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,806 Medicare Part D claims for 669 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 112 claims were for opioids.
Most prescribed
- Amlodipine Besylate451 claims
- Atorvastatin Calcium344 claims
- Losartan Potassium254 claims
- Ozempic183 claims
- Rosuvastatin Calcium169 claims
- Levothyroxine Sodium163 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ericka R. Walker Williams among 9,175 internal medicine physician records in Texas
Ericka R. Walker Williams, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Muhammad Azhar, MDDallas, TX 752371972552826
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- Michael Finch, M.D.Dallas, TX 752371104991991
- Nausheen Gowani, MDDallas, TX 752371689874257
- Muhammad Hassanein, MDDallas, TX 752371528146024
- Mahendra Kakarla, MDDallas, TX 752371942303342
- Mahboob Khan, MDDallas, TX 752371508834599
- Shamail Mahmood, M.DDallas, TX 752371215199229
Common questions
What is Ericka R. Walker Williams, M.D.'s NPI number?
Ericka R. Walker Williams, M.D.'s National Provider Identifier (NPI) is 1285885228, issued on Oct 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ericka R. Walker Williams, M.D. located?
The NPPES record lists a practice address at 3550 W Camp Wisdom RD, Dallas, TX, 75237. Phone: (214) 648-2992. Providers update this record themselves, so call before visiting.
How can I verify Ericka R. Walker Williams, M.D.'s license?
NPPES lists Texas license number P4129, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ericka R. Walker Williams, M.D. prescribe under Medicare Part D?
In 2024, Ericka R. Walker Williams, M.D. had 6,806 Medicare Part D claims for 669 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.