Cristen Hays, MD
Student in an Organized Health Care Education/Training Program · Mason City, IA
Cristen Hays, MD is a student in an organized health care education/training program with a practice address in Mason City, Iowa, and NPI 1700575297, issued on May 2, 2023. Check the license with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cristen Hays
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1010 4TH St SW Ste 340, Mason City, IA 50401
- Phone
- (641) 428-7766
- Enumerated
- May 2, 2023
- Record last updated
- Sep 12, 2023
- Fax
- (641) 428-7788
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 923 in Iowa → Look up another NPI →
Also registered at 1010 4TH St SW Ste 340
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nimay Anand, MDFamily Medicine Physician1881383362
- Cassey Jo FullerStudent in an Organized Health Care Education/Training Program1396434718
- Hazel Hernandez, MDStudent in an Organized Health Care Education/Training Program1194529842
- Lyell Hogg, DDSOral and Maxillofacial Surgery (Dentist)1437182961
Verify Cristen Hays in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
506 Medicare Part D claims for 64 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 16 claims were for opioids.
Most prescribed
- Escitalopram Oxalate45 claims
- Losartan Potassium32 claims
- Pantoprazole Sodium24 claims
- Famotidine23 claims
- Gabapentin23 claims
- Tamsulosin Hcl23 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: $12.18
1 payment: food and beverage; the largest payer was Organon Llc. The 13,278 providers of this specialty with any payment received $608.08 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.
Cristen Hays among 923 student in an organized health care education/training program records in Iowa
Cristen Hays, MD is one of 923 student in an organized health care education/training program records with a practice address in Iowa. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 30% of them.
- NPI issued2023 · 30% of these records are older, 60% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2023 · 21% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 student in an organized health care education/training program records list a practice address in Mason City
They are 43 of the 866 NPPES records with a practice address in Mason City, and 923 student in an organized health care education/training program records in Iowa.
All 923 in Iowa → Every provider in Mason City → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Amber Alberts, MDMason City, IA 504011215671516
- Ignatius Alden, MDMason City, IA 504011285323535
- Kasey Clowe, M.D.Mason City, IA 504011548558711
- Celine Durgin, MDMason City, IA 504011396488953
- Cassey Jo FullerMason City, IA 504011396434718
- Stephen HenrichMason City, IA 504011396139135
- Jeffrey Leya, M.D.Mason City, IA 504011124479449
- Brandon Plante, MDMason City, IA 504011427747856
Common questions
What is Cristen Hays, MD's NPI number?
Cristen Hays, MD's National Provider Identifier (NPI) is 1700575297, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Cristen Hays, MD located?
The NPPES record lists a practice address at 1010 4TH St SW Ste 340, Mason City, IA, 50401. Phone: (641) 428-7766. Providers update this record themselves, so call before visiting.
How can I verify Cristen Hays, MD's license?
Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Cristen Hays, MD prescribe under Medicare Part D?
In 2024, Cristen Hays, MD had 506 Medicare Part D claims for 64 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.