Gregory Calkins, M.D.
NPI 1043291206 · Emergency Medicine Physician · Kamuela, HI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Calkins, M.D. is a Emergency Medicine Physician provider in Kamuela, HI (NPI 1043291206).
Provider details
- NPI number
- 1043291206
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G200602 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 64-1032 Mamalahoa Hwy Ste 306Kamuela, HI 96743-8441Phone: (808) 769-5010Fax: (808) 829-3603
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2025-11-14
- Certified
- 2025-11-14
Frequently asked questions
- What is Gregory Calkins's NPI number?
- Gregory Calkins's National Provider Identifier (NPI) is 1043291206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Calkins's specialty?
- Gregory Calkins is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Calkins located?
- Gregory Calkins's practice location on file with NPPES is 65-1117 Ehiku Pl, Kamuela, HI 96743-7526.
- What is Gregory Calkins's phone number?
- The practice phone number listed in the NPPES registry for Gregory Calkins is (513) 368-3602.
- Does Gregory Calkins accept Medicare?
- Gregory Calkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Calkins's NPI active?
- Yes — Gregory Calkins's NPI (1043291206) is active in the NPPES registry as of the last update on 2025-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.