Brett Mulkey, DO
Family Medicine Physician · Mason City, IA
Brett Mulkey, DO is a family medicine physician with a practice address in Mason City, Iowa, and NPI 1679008502, issued on Apr 28, 2017. Check the license (Iowa 05319, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Brett Mulkey
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 05319 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 4TH St SW Ste 120, Mason City, IA 50401
- Phone
- (641) 428-6020
- Enumerated
- Apr 28, 2017
- Record last updated
- Jul 15, 2025
- Fax
- (641) 428-7803
- Medicare enrollment
- Enrolled (PECOS I20190923001095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1010 4TH St SW Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Arndt, MS, RDN, LDRegistered Dietitian1306407176
- Emily McDonald, PA-CPhysician Assistant1386401289
- Shoaib QadriStudent in an Organized Health Care Education/Training Program1356978662
- Molly Wenthold, PAPhysician Assistant1730825076
Verify Brett Mulkey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 05319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,420 Medicare Part D claims for 638 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 153 claims were for opioids.
Most prescribed
- Atorvastatin Calcium554 claims
- Lisinopril352 claims
- Losartan Potassium320 claims
- Amlodipine Besylate287 claims
- Rosuvastatin Calcium268 claims
- Levothyroxine Sodium239 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: $16.17
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett Mulkey among 2,336 family medicine physician records in Iowa
Brett Mulkey, DO is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2006 among the 1,367 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Mason City
They are 56 of the 866 NPPES records with a practice address in Mason City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Mason City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Behr, MDMason City, IA 504011770699423
- Robert Borgman, MDMason City, IA 504011750304028
- Mark Dankle, DOMason City, IA 504011891725834
- Robert Fagerholm, M.D.Mason City, IA 504011477584092
- Rebecca Jenkins, D.O.Mason City, IA 504011285613893
- Hameed Khan, MDMason City, IA 504011700813342
- Kimberly Larson, ARNPMason City, IA 504011689680183
- Mark Mahoney, M.D.Mason City, IA 504011427028554
Common questions
What is Brett Mulkey, DO's NPI number?
Brett Mulkey, DO's National Provider Identifier (NPI) is 1679008502, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Brett Mulkey, DO located?
The NPPES record lists a practice address at 1010 4TH St SW Ste 120, Mason City, IA, 50401. Phone: (641) 428-6020. Providers update this record themselves, so call before visiting.
How can I verify Brett Mulkey, DO's license?
NPPES lists Iowa license number 05319, 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 Brett Mulkey, DO prescribe under Medicare Part D?
In 2024, Brett Mulkey, DO had 7,420 Medicare Part D claims for 638 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.