Clark Joseph Obr, MD
Anesthesiology Physician · Iowa City, IA
Clark Joseph Obr, MD is an anesthesiology physician with a practice address in Iowa City, Iowa, and NPI 1003885971, issued on Mar 14, 2006. Check the license (Iowa 27970, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Clark Joseph Obr
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 27970 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-2633
- Enumerated
- Mar 14, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (319) 356-2940
- Medicare enrollment
- Enrolled (PECOS I20040504001635); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1986
- 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.
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- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Clark Joseph Obr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 27970Check 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
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clark Joseph Obr among 569 anesthesiology physician records in Iowa
Clark Joseph Obr, MD 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 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 59% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2006 among the 361 with a school on file
- Record last updated2025 · 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 Clark Joseph Obr, MD's NPI number?
Clark Joseph Obr, MD's National Provider Identifier (NPI) is 1003885971, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clark Joseph Obr, MD 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 Clark Joseph Obr, MD's license?
NPPES lists Iowa license number 27970, 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.