ANTHONY IVINS CLARK M.D.
NPI 1841679057
Anesthesiology in Lihue, HI

Q: What is Anthony Clark's NPI number?

The NPI number for Anthony Clark is 1841679057. It was assigned to this individual provider in the NPPES registry on May 20, 2015.

Q: What is Anthony Clark's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Anthony Clark was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since May 20, 2015PECOS EnrolledAccepts Medicare Assignment

83.15/100

CMS Quality Rating

3-3420 KUHIO HWY, LIHUE, HI 96766(808) 245-1100 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Anthony Ivins Clark M.d. NPPES

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

ANTHONY IVINS CLARK M.D. (NPI 1841679057) is an individual anesthesiology provider in Lihue, Hawaii, licensed in Hawaii (MD-20441) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Wilcox Memorial Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1841679057

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameANTHONY IVINS CLARKCredential: M.D.

Location Address3-3420 KUHIO HWYLihue, HI 96766-1042

Mailing Address1356 Lusitana St, 7th FloorHonolulu, HI 96813-2409

Phone(808) 245-1100

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateMay 20, 2015

Last NPPES UpdateMarch 11, 2025

NPPES CertifiedMarch 11, 2025

✔ NPI 1841679057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in HI · MD-20441

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

3-3420 KUHIO HWY, Lihue, HI 96766

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP.Insurance ›

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

Anthony Ivins Clark 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 ID446581565

PECOS Enrollment IDI20191003002294, I20250530002032

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 Reassignments

Medicare enrollment records show Anthony Clark reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kauai Medical Clinic

0.1 mi

Multi-Specialty

3-3420 KUHIO HWY, SUITE B
Lihue, HI 96766

Reassigned Medicare billing, Hawaii enrollment
298 clinicians in this Medicare group

NPI 1376596643 (808) 245-1500

Hawaii Anesthesia Group Inc

109 mi

Anesthesiology

1575 SOUTH BERETANIA STREET, #201 & 202
Honolulu, HI 96826

Reassigned Medicare billing, Hawaii enrollment
27 clinicians in this Medicare group

NPI 1548336183 (808) 946-1712

Billings Cinic

3,139 mi

Family Medicine

236 YELLOWSTONE AVE
West Yellowstone, MT 59758

Reassigned Medicare billing, Montana enrollment
Medicare enrollment name: Billings Clinic
1,264 clinicians in this Medicare group

NPI 1710600119 (406) 238-2500

Allied Anesthesia Medical Group Inc

Reassigned Medicare billing, California enrollment
420 clinicians in this Medicare group

No phone listed

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

38 services38 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

15 services15 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

15 services15 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

13 services13 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

12 services12 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wilcox Memorial Hospital

Acute Care Hospitals · Lihue, HI

2/5 CMS rating

OwnershipGovernment - Federal

CMS Certification Number120014

Location3-3420 Kuhio HighwayLihue, HI 96766 · Kauai County

Emergency services Birthing friendly

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

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.

83.15/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

74.12

Promoting Interoperability

100

Improvement Activities

Cost

69.73

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.

DR. ROBERT J. CONRAD M.D.

Emergency Medicine

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1500

DR. ROBERT T. MATHIS M.D.

Obstetrics & Gynecology

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1500

DR. SUMMER DOUBAN M.D.

Hospitalist

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1100

DR. JAMES O. SCAMAHORN M.D.

Emergency Medicine

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1010

DR. JOHN JAMES CULLINEY M.D.

Radiology (Diagnostic Radiology)

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1293

DANIELLE HILL MSN, RN

Registered Nurse (Diabetes Educator)

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 246-1380

DR. DAVID ROBERT MCDONALD MD

Obstetrics & Gynecology

3-3420 KUHIO HWY
LIHUE, HI 96766

Kauai County (808) 245-1511

DR. MICHAEL D. JOHNSTON M.D.

Anesthesiology

3-3420 KUHIO HWY, SUITE B
LIHUE, HI 96766

Kauai County (808) 245-1020

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 Anthony Clark's NPI number?

The NPI number for Anthony Clark is 1841679057. It was assigned to this individual provider in the NPPES registry on May 20, 2015.

Where is Anthony Clark located?

Anthony Clark practices at 3-3420 Kuhio Hwy, Lihue, HI 96766. The listed phone number is (808) 245-1100.

What is Anthony Clark's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Anthony Clark enrolled in Medicare?

Yes. Anthony Clark 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 organizations bill Medicare for Anthony Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Clark reassigns Medicare benefits to 4 organizations: Kauai Medical Clinic (Lihue, HI), Hawaii Anesthesia Group Inc (Honolulu, HI), Billings Cinic (West Yellowstone, MT) and Allied Anesthesia Medical Group Inc (CA). Each 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 Anthony Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anthony Clark accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Anthony Clark 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.

Is Anthony Clark affiliated with any hospitals?

According to CMS data, Anthony Clark is affiliated with Wilcox Memorial Hospital and Billings Clinic.

When was this NPI record last updated?

The NPPES record for Anthony Clark was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.