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DR. STEFAN E. KARAS M.D.
NPI 1396855482
Ophthalmology in Honolulu, HI

Active since August 30, 2006PECOS Enrolled
86.2/100
CMS Quality Rating
888 S KING ST, HONOLULU, HI 96813(808) 522-4000(808) 522-4431 Get Directions Write a Review

NPPES record last updated: March 16, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Stefan E. Karas M.d. NPPES

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

DR. STEFAN E. KARAS M.D. (NPI 1396855482) is an individual ophthalmology provider in Honolulu, Hawaii, licensed in Hawaii (MD-5844) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396855482
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. STEFAN E. KARASCredential: M.D.
Location Address888 S KING STHonolulu, HI 96813-3009
Mailing Address888 S King St, Straub Department Of OphthalmologyHonolulu, HI 96813-3097 · (808) 522-4000 · Fax (808) 522-4431
Phone(808) 522-4000
Fax(808) 522-4431
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateMarch 16, 2012
✔ NPI 1396855482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in HI · MD-5844
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
888 S KING ST, Honolulu, HI 96813
Open in Google Maps ↗

Other Identifiers 1

Medicare UPIND36154HI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stefan E. Karas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Stefan Karas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Straub Clinic & Hospital
Same address
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 clinicians in this Medicare group
NPI 1457306508 (808) 522-4000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96813 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
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
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.

86.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.28
Promoting Interoperability100
Improvement Activities40
Cost73.72

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.

MS. SYLVIA Y. TERADA NP
Nurse Practitioner
888 S KING ST, DERMATOLOGY DEPARTMENT
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. JOSEPH R. VIERRA M.D.
Internal Medicine (Critical Care Medicine)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. BEAU K. NAKAMOTO M.D.
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. JAY L. GREKIN M.D.
Dermatology
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. TIMOTHY CHRISTOPHER LAEGER M.D.
Emergency Medicine
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3714
SCOTT T YOKOTA
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3496
JESSICA GREEN
Surgery (Vascular Surgery)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4469
TAMMY YAGUCHI MPT
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4602

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 Stefan Karas's NPI number?

The NPI number for Stefan Karas is 1396855482. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Stefan Karas located?

Stefan Karas practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 522-4000.

What is Stefan Karas's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Stefan Karas enrolled in Medicare?

Yes. Stefan Karas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stefan Karas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Karas reassigns Medicare benefits to Straub Clinic & Hospital (Honolulu, HI). 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 Stefan Karas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Stefan Karas was last updated on March 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.