CALVIN HENDERSON MD
NPI 1144806969
Internal Medicine - Nephrology in Waipahu, HI

Active since March 22, 2021PECOS Enrolled
94-229 WAIPAHU DEPOT ST STE 101, WAIPAHU, HI 96797(808) 206-9849(808) 206-9850 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 22, 2026, May 11, 2026, Jun 5, 2024 and 1 more (4 updates tracked since 2021).

About Calvin Henderson Md NPPES

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

CALVIN HENDERSON MD (NPI 1144806969) is an individual nephrology provider in Waipahu, Hawaii, licensed in Hawaii (MD-26756) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Kailua Kona, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1144806969
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameCALVIN HENDERSONCredential: MD
Location Address94-229 WAIPAHU DEPOT ST STE 101Waipahu, HI 96797-3032
Mailing Address94-229 Waipahu Depot St Ste 101Waipahu, HI 96797-3032 · (808) 206-9849 · Fax (808) 206-9850
Fax(808) 206-9850
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 22, 2021
Last NPPES UpdateJuly 22, 20264 updates tracked since enumeration
NPPES CertifiedJuly 22, 2026
✔ NPI 1144806969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in HI · MD-26756
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
94-229 WAIPAHU DEPOT ST STE 101, Waipahu, HI 96797

Secondary Practice Location 1

Location 175-184 Hualalai Rd Ste 202Kailua Kona, HI 96740-1719 · Phone (808) 329-8251 · Fax (808) 334-0130

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Calvin Henderson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759799927
PECOS Enrollment IDI20260717002266
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 Calvin Henderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
94-229 WAIPAHU DEPOT ST STE 101
Waipahu, HI 96797
  • Reassigned Medicare billing, Hawaii enrollment
  • 9 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96797 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
$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.

Other Providers at the Same Location NPPES 10

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

Internal Medicine (Nephrology)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Nurse Practitioner (Family)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Internal Medicine (Nephrology)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Internal Medicine (Nephrology)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Nurse Practitioner
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Internal Medicine (Nephrology)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Nurse Practitioner
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797
Internal Medicine (Nephrology)
94-229 WAIPAHU DEPOT ST STE 101
WAIPAHU, HI 96797

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 Calvin Henderson's NPI number?

The NPI number for Calvin Henderson is 1144806969. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Calvin Henderson located?

Calvin Henderson practices at 94-229 Waipahu Depot St Ste 101, Waipahu, HI 96797. The listed phone number is (808) 206-9849.

What is Calvin Henderson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Calvin Henderson enrolled in Medicare?

Yes. Calvin Henderson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Calvin Henderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Henderson reassigns Medicare benefits to Hawaii Nephrologists LLC (Waipahu, 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 Calvin Henderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Calvin Henderson accept?

Health plans from HMSA list Calvin Henderson 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 Calvin Henderson was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.