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GEORGE KONTOGIANNIS MD
NPI 1821590274
Internal Medicine in Fort Riley, KS

Active since March 01, 2018PECOS EnrolledAccepts Medicare Assignment
650 HUEBNER RD, FORT RILEY, KS 66442(301) 319-0451(785) 240-7438 Get Directions Write a Review

NPPES record last updated: July 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 26, 2021, Mar 1, 2018 (2 updates tracked since 2018).

About George Kontogiannis Md NPPES

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

GEORGE KONTOGIANNIS MD (NPI 1821590274) is an individual internal medicine provider in Fort Riley, Kansas, licensed in Indiana (01082759A) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Milton S Hershey Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1821590274
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGEORGE KONTOGIANNISCredential: MD
Location Address650 HUEBNER RDFort Riley, KS 66442-4030
Mailing Address650 Huebner RdFort Riley, KS 66442-4030 · Fax (785) 240-7438
Phone(301) 319-0451
Fax(785) 240-7438
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 1, 2018
Last NPPES UpdateJuly 26, 20212 updates tracked since enumeration
NPPES CertifiedJuly 26, 2021
✔ NPI 1821590274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01082759A
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.
650 HUEBNER RD, Fort Riley, KS 66442
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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

George Kontogiannis 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 ID4284012170
PECOS Enrollment IDI20250611002083
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 George Kontogiannis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Penn State Health Medical Group, LLC
1,046 mi
Emergency Medicine
1211 FORGE RD STE 500
Carlisle, PA 17013
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 994 clinicians in this Medicare group
NPI 1528714995 (717) 218-3990

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.

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390256
Location500 University DriveHershey, PA 17033 · Dauphin County
Emergency services Birthing friendly

Penn State Health Lancaster Medical Center

Acute Care Hospitals · Lancaster, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number390339
Location2160 State RoadLancaster, PA 17601 · Lancaster County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66442 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
$122.41 typical visit price
range $53.00 – $161.67
Typical copayment $30.60 (range $13.25 – $40.41)
Most-billed visit code 99204
Established Patient
$94.12 typical visit price
range $16.88 – $132.11
Typical copayment $23.53 (range $4.22 – $33.02)
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.

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.

MRS. ANNIE MARIE MOSIER ESLIT O.D.
Optometrist
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 240-7335
KATHRYN WESSEL PTA
Physical Therapy Assistant
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 239-7964
PATRIZIA CRISTINA GROB DO
Obstetrics & Gynecology
650 HUEBNER RD
FT RILEY, KS 66442
Riley County (785) 239-3627
HENRY COLLETT
Physician Assistant
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (362) 778-5239
PATRICIA A KEEFE M.D.
Surgery
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 239-7151
ALBERTO ACOSTA
Social Worker
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 239-7667
TERESSA D CHANDLER FNP-C
Nurse Practitioner (Family)
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 239-7445
STEVEN ROBLES PSYD
Psychologist
650 HUEBNER RD
FORT RILEY, KS 66442
Riley County (785) 239-3627

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 George Kontogiannis's NPI number?

The NPI number for George Kontogiannis is 1821590274. It was assigned to this individual provider in the NPPES registry on March 1, 2018.

Where is George Kontogiannis located?

George Kontogiannis practices at 650 Huebner Rd, Fort Riley, KS 66442. The listed phone number is (301) 319-0451.

What is George Kontogiannis's specialty?

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

Is George Kontogiannis enrolled in Medicare?

Yes. George Kontogiannis 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 George Kontogiannis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Kontogiannis reassigns Medicare benefits to Penn State Health Medical Group, LLC (Carlisle, PA). 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 George Kontogiannis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is George Kontogiannis affiliated with any hospitals?

According to CMS data, George Kontogiannis is affiliated with Milton S Hershey Medical Center and Penn State Health Lancaster Medical Center.

When was this NPI record last updated?

The NPPES record for George Kontogiannis was last updated on July 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.