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

BENJAMIN J JOHNSTON MD
NPI 1144517897
Surgery in Merriam, KS

Active since July 01, 2011PECOS EnrolledAccepts Medicare Assignment
86.88/100
CMS Quality Rating
9100 W 74TH ST, MERRIAM, KS 66204(913) 632-9100(913) 632-9159 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Nov 30, 2020, Jun 22, 2016 (3 updates tracked since 2016).

About Benjamin J Johnston Md NPPES

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

BENJAMIN J JOHNSTON MD (NPI 1144517897) is an individual surgery provider in Merriam, Kansas, licensed in Kansas (04-36481) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Shawnee Mission, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2011).

NPPES Registry Identity

NPI1144517897
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameBENJAMIN J JOHNSTONCredential: MD
Location Address9100 W 74TH STMerriam, KS 66204-4004
Mailing Address9100 W 74th StMerriam, KS 66204-4004 · (913) 632-9100 · Fax (913) 632-9159
Fax(913) 632-9159
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2011
Enumeration DateJuly 1, 2011
Last NPPES UpdateOctober 16, 20263 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1144517897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in KS · 04-36481✔ Licensed in OR · MD175773✔ Licensed in MO · 2018019516
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedTransplant SurgeryTaxonomy 204F00000X · License MD175773 (OR)
9100 W 74TH ST, Merriam, KS 66204

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Benjamin J Johnston 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 ID7012165616
PECOS Enrollment IDI20160721002336
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.

Medicare Billing Reassignment

Medicare enrollment records show Benjamin Johnston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
9100 W 74TH ST
Merriam, KS 66204
  • Reassigned Medicare billing, Kansas enrollment
  • 384 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Adventhealth Shawnee Mission

Acute Care Hospitals · Shawnee Mission, KS
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number170104
Location9100 W 74th StreetShawnee Mission, KS 66204 · Johnson County
Emergency services Birthing friendly

Truman Medical Center Hospital Hill

Acute Care Hospitals · Kansas City, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260048
Location2301 Holmes StreetKansas City, MO 64108 · Jackson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66204 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
$81.98 typical visit price
range $53.00 – $161.67
Typical copayment $20.49 (range $13.25 – $40.41)
Most-billed visit code 99203
Established Patient
$66.40 typical visit price
range $16.88 – $132.11
Typical copayment $16.60 (range $4.22 – $33.02)
Most-billed visit code 99213
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.

86.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.46
Promoting Interoperability100
Improvement Activities40
Cost57.71

Other Providers at the Same Location NPPES 20

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

Nurse Anesthetist, Certified Registered
9100 W 74TH ST
MERRIAM, KS 66204
Specialist
9100 W 74TH ST
OVERLAND PARK, KS 66204
Dietitian, Registered
9100 W 74TH ST
SHAWNEE MISSION, KS 66204
Nurse Practitioner (Family)
9100 W 74TH ST
SHAWNEE MISSION, KS 66204
Behavior Analyst
9100 W 74TH ST
SHAWNEE MISSION, KS 66204
Anesthesiology
9100 W 74TH ST
SHAWNEE MISSION, KS 66204
Registered Nurse
9100 W 74TH ST
MERRIAM, KS 66204
Nurse Anesthetist, Certified Registered
9100 W 74TH ST
MERRIAM, KS 66204

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 Benjamin Johnston's NPI number?

The NPI number for Benjamin Johnston is 1144517897. It was assigned to this individual provider in the NPPES registry on July 1, 2011.

Where is Benjamin Johnston located?

Benjamin Johnston practices at 9100 W 74th St, Merriam, KS 66204. The listed phone number is (913) 632-9100.

What is Benjamin Johnston's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Benjamin Johnston enrolled in Medicare?

Yes. Benjamin Johnston 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.

Which organization bills Medicare for Benjamin Johnston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Johnston reassigns Medicare benefits to Shawnee Mission Medical Center Inc (Merriam, KS). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Benjamin Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Benjamin Johnston accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City and Oscar Insurance Company list Benjamin Johnston 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 Benjamin Johnston affiliated with any hospitals?

According to CMS data, Benjamin Johnston is affiliated with Adventhealth Shawnee Mission and Truman Medical Center Hospital Hill.

When was this NPI record last updated?

The NPPES record for Benjamin Johnston was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.