William Clarence Santos, M.D.
Anesthesiology Physician · Iowa City, IA
William Clarence Santos, M.D. is an anesthesiology physician with a practice address in Iowa City, Iowa, and NPI 1811981509, issued on Sep 8, 2005. Check the license (Iowa 41289, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Clarence Santos
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 41289 IA
G76518 CA
L6618 TX
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-2633
- Enumerated
- Sep 8, 2005
- Record last updated
- Oct 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (319) 356-2940
- Medicare enrollment
- Enrolled (PECOS I20040316001251); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 569 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Aaberg, MDAnesthesiology Physician1689301558
- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify William Clarence Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 41289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Central Anesthesia Service Exchange Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Clarence Santos among 569 anesthesiology physician records in Iowa
William Clarence Santos, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2006 among the 361 with a school on file
- Record last updated2013 · 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).
268 anesthesiology physician records list a practice address in Iowa City
They are 268 of the 7,163 NPPES records with a practice address in Iowa City, and 569 anesthesiology physician records in Iowa.
All 569 in Iowa → Every provider in Iowa City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Timothy Brennan, MDIowa City, IA 522421487641015
- Javier Campos-Torres, MDIowa City, IA 522421861488991
- James Choi, MDIowa City, IA 522421144216805
- William Dickinson, MDIowa City, IA 522421073516043
- Yasser El Hattab, MDIowa City, IA 522421922094630
- Robert From, DOIowa City, IA 522421194711218
- Jeanette Harrington, MDIowa City, IA 522421811984578
- Magboul Magboul, MDIowa City, IA 522421043206170
Common questions
What is William Clarence Santos, M.D.'s NPI number?
William Clarence Santos, M.D.'s National Provider Identifier (NPI) is 1811981509, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Clarence Santos, M.D. located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2633. Providers update this record themselves, so call before visiting.
How can I verify William Clarence Santos, M.D.'s license?
NPPES lists Iowa license number 41289, 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.
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.