Eric Aldrich Williams, DO
Anesthesiology Physician · Des Moines, IA
Eric Aldrich Williams, DO is an anesthesiology physician with a practice address in Des Moines, Iowa, and NPI 1194301705, issued on Mar 23, 2021. Check the license (Iowa DO-06913, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric Aldrich Williams
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- DO-06913 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Pleasant St, Des Moines, IA 50309
- Phone
- (515) 421-3044
- Enumerated
- Mar 23, 2021
- Record last updated
- Jan 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20250611000641); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2021
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 569 in Iowa → Look up another NPI →
Also registered at 1200 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Blaire Adams, AUDAudiologist1053840181
- Josiah AdamsonSurgery Physician1821981002
- Nicholas Aerisolphal, M.D.Anesthesiology Physician1790992535
- Daniel Afrifa, MDHospitalist Physician1528564473
Verify Eric Aldrich Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-06913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average anesthesiology physician in 2024
18 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Atorvastatin Calcium13 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
- Associated Anesthesiologists PCDes Moines, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Aldrich Williams among 569 anesthesiology physician records in Iowa
Eric Aldrich Williams, DO is one of 569 anesthesiology physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 80% of them.
- NPI issued2021 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2006 among the 361 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 anesthesiology physician records list a practice address in Des Moines
They are 114 of the 5,538 NPPES records with a practice address in Des Moines, and 569 anesthesiology physician records in Iowa.
All 569 in Iowa → Every provider in Des Moines → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Winston Barcellos, M.D.Des Moines, IA 503091336125582
- Bradley Bergman, D.O.Des Moines, IA 503091942286968
- James Bergman, M.D.Des Moines, IA 503091629055470
- Joseph Cassady, M.D.Des Moines, IA 503091558347054
- Louis Dewild, M.D.Des Moines, IA 503091821074071
- Robert Eggers, M.D.Des Moines, IA 503091548246333
- James Faust, M.D.Des Moines, IA 503091275510943
- Stephen Forney, M.D.Des Moines, IA 503091922084847
Common questions
What is Eric Aldrich Williams, DO's NPI number?
Eric Aldrich Williams, DO's National Provider Identifier (NPI) is 1194301705, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Eric Aldrich Williams, DO located?
The NPPES record lists a practice address at 1200 Pleasant St, Des Moines, IA, 50309. Phone: (515) 421-3044. Providers update this record themselves, so call before visiting.
How can I verify Eric Aldrich Williams, DO's license?
NPPES lists Iowa license number DO-06913, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric Aldrich Williams, DO prescribe under Medicare Part D?
In 2024, Eric Aldrich Williams, DO had 18 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.