Charles Boyajian, MD
Internal Medicine Physician · Gowrie, IA
Charles Boyajian, MD is an internal medicine physician with a practice address in Gowrie, Iowa, and NPI 1316922438, issued on Dec 12, 2005. Check the license (Iowa 35766, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles Boyajian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35766 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Main St, Gowrie, IA 50543
- Phone
- (515) 352-3891
- Enumerated
- Dec 12, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (515) 352-5422
- Medicare enrollment
- Enrolled (PECOS I20120806000595); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 1800 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Drees, ARNP, FNP-CFamily Nurse Practitioner1619754181
- Carrie Goodwin, ARNPPsychiatric/Mental Health Nurse Practitioner1821600594
- Rochelle Guess, ARNPFamily Nurse Practitioner1154306272
- Rhonda GustafsonPharmacist1740677988
- Elizabeth Peterson, PAPhysician Assistant1316505910
- Adam Swisher, DOFamily Medicine Physician1518129436
Verify Charles Boyajian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 35766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
164 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium11 claims
- Clopidogrel11 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Monument Health Rapid City Hospital IncRapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Boyajian among 871 internal medicine physician records in Iowa
Charles Boyajian, MD is one of 871 internal medicine 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1981 · median 2008 among the 386 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 internal medicine physician record lists a practice address in Gowrie
They are 1 of the 13 NPPES records with a practice address in Gowrie, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Gowrie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sharmini Rasakulasuriar, MDHumboldt, IA 505481629040951
- Kaitlen Baker, MDClarion, IA 505251467911750
- Michael McLoughlin, MDClarion, IA 505251467890376
- Joseph Miller, D.O.Clarion, IA 505251861471872
- Kenneth Adams, D.O.Fort Dodge, IA 505011669443230
- Erian Girgis, MD, PH.DFort Dodge, IA 505011710256615
- Steven Harmer, MDFort Dodge, IA 505011124090394
- Mark Marner, MDFort Dodge, IA 505011255303129
Common questions
What is Charles Boyajian, MD's NPI number?
Charles Boyajian, MD's National Provider Identifier (NPI) is 1316922438, issued on Dec 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles Boyajian, MD located?
The NPPES record lists a practice address at 1800 Main St, Gowrie, IA, 50543. Phone: (515) 352-3891. Providers update this record themselves, so call before visiting.
How can I verify Charles Boyajian, MD's license?
NPPES lists Iowa license number 35766, 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 Charles Boyajian, MD prescribe under Medicare Part D?
In 2024, Charles Boyajian, MD had 164 Medicare Part D claims for 59 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Charles Boyajian, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.