DR. WAYNE MERRITT SCHULTHEIS (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1831165836

DR. WAYNE MERRITT SCHULTHEIS (MD) is a healthcare provider. based in Thousand oaks, California. specializing in PATHOLOGY. They hold the professional credentials MD. They hold a License No. G4551 (CA). The NPI Number for DR. WAYNE MERRITT SCHULTHEIS (MD) is 1831165836

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. WAYNE MERRITT SCHULTHEIS (MD)
NPI
1831165836
Phone
(805) 495-8050
Address
2190 LYNN RD
Enumeration Date
28 February 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1980 (46 years ago)
PAC ID
9638123821
Professional Enrollment ID
I20050315001177
Address ID
CA913601847TH215XXRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,584 PATHOLOGY in CA

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Provider Addresses for DR. WAYNE MERRITT SCHULTHEIS (MD)

  • Christopher Costanzo MD, 2190, Lynn Road, Thousand Oaks, Ventura County, California, 91360, United States

    SUITE 220

    THOUSAND OAKS, CA 91360

    Phone: (805) 495-8050

    Fax: (805) 496-2160

    Type: Mailing

  • Los Robles Regional Medical Center Medical Staff Library, 215, West Janss Road, Thousand Oaks, Ventura County, California, 91360, United States

    PATHOLOGY DEPT

    THOUSAND OAKS, CA 91360

    Phone: (805) 373-8582

    Fax: (805) 373-6865

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $162.

Total Amount is formed as General ($162) + Research ($0) + Ownership ($0) = $162.

Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($162).

Total Amount

$162

General + Research + Ownership

Payments

2

Total payment records

General Amount

$162

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-19

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Intuitive Surgical, Inc.$162
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-03-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050315001177IPathologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity228109$0
88341Special stained specimen slides to examine tissue, each additional procedure17621$0
88112Cell examination of specimen, selective cellular enhancement technique9167$0
88312Special stained specimen slides to identify organisms including interpretation and report6622$0
88173Evaluation of fine needle aspirate with interpretation and report6138$0
View full utilization report →

Insurance plans in this area (ZIP 91360)

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Provider's Procedures

DR. WAYNE MERRITT SCHULTHEIS (MD) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYCA88312Special stained specimen slides to identify organisms including interpretation and report10332
PATHOLOGYCA88342Tissue or cell analysis by immunologic technique3232

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Frequently asked questions

Where can patients find DR. WAYNE MERRITT SCHULTHEIS (MD)'s NPI?
You can confirm DR. WAYNE MERRITT SCHULTHEIS (MD) with NPI 1831165836; it appears in the national provider directory.
Is DR. WAYNE MERRITT SCHULTHEIS (MD)'s NPI currently valid?
The extract we use shows DR. WAYNE MERRITT SCHULTHEIS (MD) as active.
What kind of provider is DR. WAYNE MERRITT SCHULTHEIS (MD)?
The page reflects Anatomic Pathology & Clinical Pathology Physician for DR. WAYNE MERRITT SCHULTHEIS (MD). Clinical services aligned with this taxonomy classification.
Where is DR. WAYNE MERRITT SCHULTHEIS (MD)'s primary listing?
We display Thousand Oaks, California because that is what the record indicates for DR. WAYNE MERRITT SCHULTHEIS (MD).
What if Thousand Oaks, California seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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