ZACHARY THIELEN
NPI 1801162797
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Wailuku, HI

Q: What is Zachary Thielen's NPI number?

The NPI number for Zachary Thielen is 1801162797. It was assigned to this individual provider in the NPPES registry on March 26, 2012.

Q: What is Zachary Thielen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Q: When was this NPI record last updated?

The NPPES record for Zachary Thielen was last updated on September 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 26, 2012PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

1830 WELLS ST STE 103, WAILUKU, HI 96793(808) 649-1487(808) 437-2512 Get Directions Write a Review

NPPES record last updated: September 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 8, 2021, Apr 26, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Zachary Thielen NPPES

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

ZACHARY THIELEN (NPI 1801162797) is an individual adult reconstructive orthopaedic surgery provider in Wailuku, Hawaii, licensed in Hawaii (19536) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Maui Memorial Medical Center, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2012).

NPPES Registry Identity

NPI1801162797

Entity TypeIndividualMale

Primary Taxonomy207XS0114X

Provider Legal NameZACHARY THIELEN

Location Address1830 WELLS ST STE 103Wailuku, HI 96793-2365

Mailing Address1830 Wells St Ste 103Wailuku, HI 96793-2365 · (808) 649-1487 · Fax (808) 437-2512

Phone(808) 649-1487

Fax(808) 437-2512

Sole ProprietorNo

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2012

Enumeration DateMarch 26, 2012

Last NPPES UpdateSeptember 27, 20234 updates tracked since enumeration

NPPES CertifiedSeptember 27, 2023

✔ NPI 1801162797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XS0114X

License✔ Licensed in HI · 19536

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

1830 WELLS ST STE 103, Wailuku, HI 96793

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.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

Zachary Thielen 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 ID6901198993

PECOS Enrollment IDI20181109002378

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 Zachary Thielen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Maui Orthopedic Institute LLC

Same address

Adult Reconstructive Orthopaedic Surgery

1830 WELLS ST STE 103
Wailuku, HI 96793

Reassigned Medicare billing, Hawaii enrollment

NPI 1841891744 (808) 649-1487

Hawaii Permanente Medical Group Inc

107 mi

Health Maintenance Organization

3288 MOANALUA RD
Honolulu, HI 96819

Reassigned Medicare billing, Hawaii enrollment
1,187 clinicians in this Medicare group

NPI 1710945969 (808) 432-0000

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 15

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

516 services94 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

158 services131 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

133 services105 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

129 services109 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

105 services105 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

79 services79 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

62 services57 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

41 services38 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

37 services36 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

37 services22 patients

Computer-assisted surgery for muscle and bone procedure 20985

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

30 services27 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

20 services11 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

19 services13 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

19 services18 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Maui Memorial Medical Center

Acute Care Hospitals · Wailuku, HI

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number120002

Location221 Mahalani StreetWailuku, HI 96793 · Maui County

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.

75/100

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

Individually scored

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

1 supplier19 claims19 services$67.98 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

LISA MARIE LOMBARDI PAC

Physician Assistant (Surgical)

1830 WELLS ST STE 103
WAILUKU, HI 96793

Maui County (808) 866-5335

JENNIFER NILL DNP, FNP-BC

Nurse Practitioner (Family)

1830 WELLS ST STE 103
WAILUKU, HI 96793

Maui County (808) 866-5333

MAUI ORTHOPEDIC INSTITUTE LLC

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)

1830 WELLS ST STE 103
WAILUKU, HI 96793

Maui County (808) 649-1487

EMILY NEWMAN PA-C

Physician Assistant (Surgical)

1830 WELLS ST STE 103
WAILUKU, HI 96793

Maui County (808) 649-1487

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 Zachary Thielen's NPI number?

The NPI number for Zachary Thielen is 1801162797. It was assigned to this individual provider in the NPPES registry on March 26, 2012.

Where is Zachary Thielen located?

Zachary Thielen practices at 1830 Wells St Ste 103, Wailuku, HI 96793. The listed phone number is (808) 649-1487.

What is Zachary Thielen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Zachary Thielen enrolled in Medicare?

Yes. Zachary Thielen 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 Zachary Thielen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Thielen reassigns Medicare benefits to 2 organizations: Maui Orthopedic Institute LLC (Wailuku, HI) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Zachary Thielen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Thielen accept?

Health plans from HMSA list Zachary Thielen 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 Zachary Thielen affiliated with any hospitals?

According to CMS data, Zachary Thielen is affiliated with Maui Memorial Medical Center.

When was this NPI record last updated?

The NPPES record for Zachary Thielen was last updated on September 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.