Krystal W. Nizar, M.D., PH.D.
Psychiatry Physician · Iowa City, IA
Krystal W. Nizar, M.D., PH.D. is a psychiatry physician with a practice address in Iowa City, Iowa, and NPI 1760748446, issued on Apr 6, 2012. Check the license (Iowa MD-45892, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Krystal W. Nizar
- Credential
- M.D., PH.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD-45892 IA
A126783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Highway 1 W # 115, Iowa City, IA 52246
- Phone
- (319) 435-1720
- Enumerated
- Apr 6, 2012
- Record last updated
- Sep 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (620) 670-8407
- Medicare enrollment
- Enrolled (PECOS I20190412001329); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 398 in Iowa → Look up another NPI →
Verify Krystal W. Nizar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-45892Check 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
- Mercy Medical CenterCedar Rapids, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Krystal W. Nizar among 398 psychiatry physician records in Iowa
Krystal W. Nizar, M.D., PH.D. is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 44% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2012 · median 2010 among the 188 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
144 psychiatry physician records list a practice address in Iowa City
They are 144 of the 7,163 NPPES records with a practice address in Iowa City, and 398 psychiatry physician records in Iowa.
All 398 in Iowa → Every provider in Iowa City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thomas Brashers-Krug, MDIowa City, IA 522461659414621
- Erin ChurchillIowa City, IA 522461295698447
- Kyle McGinty, MDIowa City, IA 522461164963351
- Anthony Miller, MDIowa City, IA 522461841372620
- Evan Ouyang, MDIowa City, IA 522461477848190
- Gabriela Cherascu, MDIowa City, IA 522451669461232
- Kimberly Verhoef, M.D.Iowa City, IA 522451922097484
- Christopher Welsh, MDIowa City, IA 522451275576571
Common questions
What is Krystal W. Nizar, M.D., PH.D.'s NPI number?
Krystal W. Nizar, M.D., PH.D.'s National Provider Identifier (NPI) is 1760748446, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Krystal W. Nizar, M.D., PH.D. located?
The NPPES record lists a practice address at 450 Highway 1 W # 115, Iowa City, IA, 52246. Phone: (319) 435-1720. Providers update this record themselves, so call before visiting.
How can I verify Krystal W. Nizar, M.D., PH.D.'s license?
NPPES lists Iowa license number MD-45892, 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.