1. Home
  2. Directory
  3. Hawaii
  4. Kamuela
  5. Emergency Medicine
  6. NPI Profile

DR. GREGORY PAUL CALKINS M.D.
NPI 1043291206
Emergency Medicine in Kamuela, HI

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment
65-1117 EHIKU PL, KAMUELA, HI 96743(513) 368-3602 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 14, 2025, Jul 25, 2019 (2 updates tracked since 2019).

About Dr. Gregory Paul Calkins M.d. NPPES

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

DR. GREGORY PAUL CALKINS M.D. (NPI 1043291206) is an individual emergency medicine provider in Kamuela, Hawaii, licensed in Hawaii (MD-6251) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Kamuela, and is a graduate of Other (1978).

NPPES Registry Identity

NPI1043291206
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. GREGORY PAUL CALKINSCredential: M.D.
Location Address65-1117 EHIKU PLKamuela, HI 96743-7526
Mailing Address65-1117 Ehiku PlKamuela, HI 96743-7526 · (513) 368-3602
Phone(513) 368-3602
Sole ProprietorNo
Medical School CMSOtherGraduated 1978
Enumeration DateNovember 7, 2005
Last NPPES UpdateNovember 14, 20252 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
✔ NPI 1043291206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in HI · MD-6251✔ Licensed in CA · G200602✔ Licensed in OH · 35-043792✔ Licensed in IN · 01031005A
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
65-1117 EHIKU PL, Kamuela, HI 96743
Open in Google Maps ↗

Secondary Practice Location 1

Location 164-1032 Mamalahoa Hwy Ste 306Kamuela, HI 96743-8441 · Phone (808) 769-5010 ext. 45334 · Fax (808) 829-3603

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Oscar Health Insurance.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

Dr. Gregory Paul Calkins M.d. 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 ID8426077645
PECOS Enrollment IDI20220308001575
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96743 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

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 Gregory Calkins's NPI number?

The NPI number for Gregory Calkins is 1043291206. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Gregory Calkins located?

Gregory Calkins practices at 65-1117 Ehiku Pl, Kamuela, HI 96743. The listed phone number is (513) 368-3602.

What is Gregory Calkins's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gregory Calkins enrolled in Medicare?

Yes. Gregory Calkins 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 Gregory Calkins accept?

Health plans from CareSource and Oscar Health Insurance list Gregory Calkins 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.

When was this NPI record last updated?

The NPPES record for Gregory Calkins was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.