John A. Bernat, MD,PHD
Clinical Genetics (M.D.) Physician · Iowa City, IA
John A. Bernat, MD,PHD is a clinical genetics (m.d.) physician with a practice address in Iowa City, Iowa, and NPI 1609003011, issued on Jun 12, 2009. Check the license (Iowa MD-42475, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John A. Bernat
- Credential
- MD,PHD
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License number
- MD-42475 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr Dept OF, Iowa City, IA 52242
- Phone
- (319) 356-2675
- Enumerated
- Jun 12, 2009
- Record last updated
- Jan 9, 2026
- Fax
- (319) 356-3347
- Medicare enrollment
- Enrolled (PECOS I20150514001076); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical genetics (m.d.) physician records → All 9 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr Dept OF
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John A. Bernat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-42475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average clinical genetics (m.d.) physician in 2024
40 Medicare Part D claims, against an average of 59 among the 193 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of 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.
Industry payments in 2024: $10,184.23
18 payments; by number, the most common kind was food and beverage; the largest payer was Mirum Pharmaceuticals, Inc. The 306 providers of this specialty with any payment received $12,333.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Clinical Genetics (M.D.) Physician providers in Iowa
There are 9 clinical genetics (m.d.) physician records in Iowa.
All 9 in Iowa → Every provider in Iowa City → Clinical Genetics (M.D.) Physician nationwide →
The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Amy Calhoun, MDIowa City, IA 522421477761328
- Hatem El-Shanti, MDIowa City, IA 522421801881685
- Nicole Safina, MDIowa City, IA 522421144308156
- Oleg Shchelochkov, MDIowa City, IA 522421841434537
- Val Sheffield, MD, PHDIowa City, IA 522421437146909
- Alpa Sidhu, MD, PHDIowa City, IA 522421700015864
- Dylan Todd, MD, PHDIowa City, IA 522421891376950
- Moon Ley Tung, MDIowa City, IA 522421023625142
Common questions
What is John A. Bernat, MD,PHD's NPI number?
John A. Bernat, MD,PHD's National Provider Identifier (NPI) is 1609003011, issued on Jun 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John A. Bernat, MD,PHD located?
The NPPES record lists a practice address at 200 Hawkins Dr Dept OF, Iowa City, IA, 52242. Phone: (319) 356-2675. Providers update this record themselves, so call before visiting.
How can I verify John A. Bernat, MD,PHD's license?
NPPES lists Iowa license number MD-42475, 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 John A. Bernat, MD,PHD prescribe under Medicare Part D?
In 2024, John A. Bernat, MD,PHD had 40 Medicare Part D claims; the average among clinical genetics (m.d.) physician prescribers was 59. 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.