DR. LYN MARIE SHROYER EDD
NPI 1992819122
Psychologist in Sioux Falls, SD

Active since August 17, 2006PECOS EnrolledAccepts Medicare Assignment
3710 S KIWANIS AVE, SIOUX FALLS, SD 57105(605) 373-9066(605) 373-9145 Get Directions Write a Review

NPPES record last updated: December 13, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Lyn Marie Shroyer Edd NPPES

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

DR. LYN MARIE SHROYER EDD (NPI 1992819122) is an individual psychologist in Sioux Falls, South Dakota, licensed in South Dakota (341) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1992819122
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. LYN MARIE SHROYERCredential: EDD
Location Address3710 S KIWANIS AVESioux Falls, SD 57105
Mailing Address3710 S Kiwanis AveSioux Falls, SD 57105 · (605) 373-9066 · Fax (605) 373-9145
Fax(605) 373-9145
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 17, 2006
Last NPPES UpdateDecember 13, 2007
✔ NPI 1992819122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in SD · 341
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedCounselorTaxonomy 101Y00000X · License 341 (SD)
3710 S KIWANIS AVE, Sioux Falls, SD 57105

Other Identifiers 10

Other7880Midlands Choice
OtherHP29927Health Partners
Medicaid6551012SD
Other0201057United Health Care
Other0040633Blue Cross Blue Shield
Other106124Choice Plus
Other86725Health Partners
Other22415Sioux Valley Health Plan
Medicare PINS40634SD
Other2032Avera Health Plans

Accepted 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. Lyn Marie Shroyer Edd 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 ID4688656275
PECOS Enrollment IDI20120227000712
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 Lyn Shroyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Psychologist
3710 S KIWANIS AVE
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota enrollment

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

Other Providers at the Same Location NPPES 2

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

Psychologist
3710 S KIWANIS AVE
SIOUX FALLS, SD 57105
Psychologist
3710 S KIWANIS AVE
SIOUX FALLS, SD 57105

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 Lyn Shroyer's NPI number?

The NPI number for Lyn Shroyer is 1992819122. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Lyn Shroyer located?

Lyn Shroyer practices at 3710 S Kiwanis Ave, Sioux Falls, SD 57105. The listed phone number is (605) 373-9066.

What is Lyn Shroyer's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Lyn Shroyer enrolled in Medicare?

Yes. Lyn Shroyer 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 organization bills Medicare for Lyn Shroyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lyn Shroyer reassigns Medicare benefits to Lyn Shroyer, Inc (Sioux Falls, SD). 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 Lyn Shroyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lyn Shroyer accept?

Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Lyn Shroyer 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 Lyn Shroyer was last updated on December 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.