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DR. WILLIAM L VAN DER REIS
NPI 1710911078
Specialist in San Clemente, CA

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment
653 CAMINO DE LOS MARES STE 109, SAN CLEMENTE, CA 92673(949) 661-2423(949) 661-9205 Get Directions Write a Review

NPPES record last updated: April 22, 2014. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. William L Van Der Reis NPPES

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

DR. WILLIAM L VAN DER REIS (NPI 1710911078) is an individual specialist in San Clemente, California, licensed in California (G81476) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Js Weill Medical College, Cornell University (1993).

NPPES Registry Identity

NPI1710911078
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. WILLIAM L VAN DER REIS
Location Address653 CAMINO DE LOS MARES STE 109San Clemente, CA 92673-2808
Mailing Address653 Camino De Los Mares Ste 109San Clemente, CA 92673-2808 · (949) 661-2423 · Fax (949) 661-9205
Phone(949) 661-2423
Fax(949) 661-9205
Sole ProprietorNo
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 1993
Enumeration DateJuly 10, 2006
Last NPPES UpdateApril 22, 2014
✔ NPI 1710911078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G81476
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
653 CAMINO DE LOS MARES STE 109, San Clemente, CA 92673
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Other Identifiers 1

Medicare UPINF36456CA

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

Dr. William L Van Der Reis 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 ID648277855
PECOS Enrollment IDI20220729002190
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

3

Medicare enrollment records show William Van Der Reis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Minimally Invasive Medical Group
14 mi
Surgery
29300 PORTOLA PKWY STE B
Lake Forest, CA 92630
  • Reassigned Medicare billing, California enrollment
  • 16 clinicians in this Medicare group
NPI 1902374010 (949) 333-2224
Integrated Pain Management Medical Group, Inc.
394 mi
Pain Medicine
450 N WIGET LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 137 clinicians in this Medicare group
NPI 1922198779 (925) 691-9806
Queens North Hawaii Community Hospital
2,508 mi
Orthopaedic Surgery
67-1125 MAMALAHOA HWY
Kamuela, HI 96743
  • Reassigned Medicare billing, Hawaii enrollment
  • Medicare enrollment name: Island Orthopaedics, LLC
  • 11 clinicians in this Medicare group
NPI 1528049814 (808) 881-4400

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 10

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.
281 services48 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.
105 services77 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
68 services51 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.
66 services66 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.
47 services30 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
26 services15 patients

Hospital Affiliations CMS Care Compare 3

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120001
Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County
Emergency services Birthing friendly

Kuakini Medical Center

Acute Care Hospitals · Honolulu, HI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120007
Location347 North Kuakini StreetHonolulu, HI 96817 · Honolulu County
Emergency services

North Hawaii Community Hospital, Inc

Acute Care Hospitals · Kamuela, HI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120028
Location67 1125 Mamalahoa HighwayKamuela, HI 96743 · Hawaii County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 5

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

MISS DARCY SCHROER PA
Physician Assistant (Medical)
653 CAMINO DE LOS MARES STE 109
SAN CLEMENTE, CA 92673
Orange County (949) 661-2423
ADAM Z FRANKLIN M.D.
Orthopaedic Surgery
653 CAMINO DE LOS MARES STE 109
SAN CLEMENTE, CA 92673
Orange County (949) 661-2423
BONE DOCS INC
Clinic/Center (Urgent Care)
653 CAMINO DE LOS MARES STE 109
SAN CLEMENTE, CA 92673
Orange County (949) 661-2423
SEA VIEW ORTHOPAEDIC MEDICAL GROUP APC
Specialist
653 CAMINO DE LOS MARES STE 109
SAN CLEMENTE, CA 92673
Orange County (949) 661-2423
DR. GUS G GIALAMAS MD
Specialist
653 CAMINO DE LOS MARES STE 109
SAN CLEMENTE, CA 92673
Orange County (949) 661-2423

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 William Van Der Reis's NPI number?

The NPI number for William Van Der Reis is 1710911078. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is William Van Der Reis located?

William Van Der Reis practices at 653 Camino De Los Mares Ste 109, San Clemente, CA 92673. The listed phone number is (949) 661-2423.

What is William Van Der Reis's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is William Van Der Reis enrolled in Medicare?

Yes. William Van Der Reis 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 William Van Der Reis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Van Der Reis reassigns Medicare benefits to 3 organizations: Minimally Invasive Medical Group (Lake Forest, CA), Integrated Pain Management Medical Group, Inc. (Walnut Creek, CA) and Queens North Hawaii Community Hospital (Kamuela, 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 William Van Der Reis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Van Der Reis accept?

Health plans from HMSA list William Van Der Reis 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 William Van Der Reis affiliated with any hospitals?

According to CMS data, William Van Der Reis is affiliated with The Queens Medical Center, Kuakini Medical Center and North Hawaii Community Hospital, Inc.

When was this NPI record last updated?

The NPPES record for William Van Der Reis was last updated on April 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.