Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLES BOYAJIAN MD
NPI 1316922438
Internal Medicine in Gowrie, IA

Active since December 12, 2005PECOS Enrolled
97.58/100
CMS Quality Rating
1800 MAIN ST, GOWRIE, IA 50543(515) 352-3891(515) 352-5422 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Charles Boyajian Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES BOYAJIAN MD (NPI 1316922438) is an individual internal medicine provider in Gowrie, Iowa, licensed in Iowa (35766) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Monument Health Rapid City Hospital, and is a graduate of Northwestern University Feinberg Medical School (1981).

NPPES Registry Identity

NPI1316922438
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHARLES BOYAJIANCredential: MD
Location Address1800 MAIN STGowrie, IA 50543-7438
Mailing Address1800 Main StGowrie, IA 50543-7438 · (515) 352-3891 · Fax (515) 352-5422
Fax(515) 352-5422
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1981
Enumeration DateDecember 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1316922438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IA · 35766
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1800 MAIN ST, Gowrie, IA 50543

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Charles Boyajian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153222112
PECOS Enrollment IDI20120806000595
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
198 services67 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
44 services44 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
23 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
17 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Monument Health Rapid City Hospital

Acute Care Hospitals · Rapid City, SD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430077
Location353 Fairmont BlvdRapid City, SD 57701 · Pennington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1800 MAIN ST
GOWRIE, IA 50543
Physician Assistant
1800 MAIN ST
GOWRIE, IA 50543
Family Medicine
1800 MAIN ST
GOWRIE, IA 50543
Clinic/Center (Rural Health)
1800 MAIN ST
GOWRIE, IA 50543
Nurse Practitioner (Family)
1800 MAIN ST
GOWRIE, IA 50543
Optometrist
1800 MAIN ST
GOWRIE, IA 50543
Pharmacist
1800 MAIN ST
GOWRIE, IA 50543
Pharmacy (Community/Retail Pharmacy)
1800 MAIN ST
GOWRIE, IA 50543

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Boyajian's NPI number?

The NPI number for Charles Boyajian is 1316922438. It was assigned to this individual provider in the NPPES registry on December 12, 2005.

Where is Charles Boyajian located?

Charles Boyajian practices at 1800 Main St, Gowrie, IA 50543. The listed phone number is (515) 352-3891.

What is Charles Boyajian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Boyajian enrolled in Medicare?

Yes. Charles Boyajian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Charles Boyajian accept?

Health plans from Avera Health Plans, Medica, Oscar Insurance Company and Sanford Health Plan list Charles Boyajian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Charles Boyajian affiliated with any hospitals?

According to CMS data, Charles Boyajian is affiliated with Monument Health Rapid City Hospital.

When was this NPI record last updated?

The NPPES record for Charles Boyajian was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.