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DAVID GEORGE MAY
NPI 1629736947
Marriage & Family Therapist in Spearfish, SD

Active since December 03, 2021PECOS EnrolledAccepts Medicare Assignment
623 DAHL RD, SPEARFISH, SD 57783(605) 644-2777(605) 642-9356 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About David George May NPPES

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

DAVID GEORGE MAY (NPI 1629736947) is an individual marriage & family therapist in Spearfish, South Dakota and active in the NPI registry since December 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1629736947
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameDAVID GEORGE MAY
Location Address623 DAHL RDSpearfish, SD 57783-2782
Mailing Address350 Elk StRapid City, SD 57701-7351 · (605) 343-7262 · Fax (605) 343-7293
Phone(605) 644-2777
Fax(605) 642-9356
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateDecember 3, 2021
NPPES CertifiedDecember 3, 2021
✔ NPI 1629736947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
623 DAHL RD, Spearfish, SD 57783
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, UnitedHealthcare, Wellmark of South Dakota, Inc..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

David George May 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 ID8325503766
PECOS Enrollment IDI20260716003499
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 David May reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Little Canyon Services LLC
1.7 mi
Mental Health
310 S 26TH ST STE 1
Spearfish, SD 57783
  • Reassigned Medicare billing, South Dakota enrollment
  • 2 clinicians in this Medicare group
NPI 1457049504 (605) 580-7358

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 20

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

SIERRA PRICE
Case Manager/Care Coordinator
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
CARMEN L HEAPHY LPC
Counselor (Mental Health)
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
KATHERIN ANN HERNANDEZ
Counselor
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
PAMELA J. HENDRICKSON LPC
Counselor (Mental Health)
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
CARRIE CARNEY
Counselor
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
GRACE MARIE O'CONNOR
Counselor
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777
MEGHAN MCNARY
Counselor
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 381-2016
ANTHONY CAIN
Case Manager/Care Coordinator
623 DAHL RD
SPEARFISH, SD 57783
Lawrence County (605) 642-2777

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 David May's NPI number?

The NPI number for David May is 1629736947. It was assigned to this individual provider in the NPPES registry on December 3, 2021.

Where is David May located?

David May practices at 623 Dahl Rd, Spearfish, SD 57783. The listed phone number is (605) 644-2777.

What is David May's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is David May enrolled in Medicare?

Yes. David May 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 David May's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David May reassigns Medicare benefits to Little Canyon Services LLC (Spearfish, 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 David May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David May accept?

Health plans from Avera Health Plans, UnitedHealthcare and Wellmark of South Dakota, Inc. list David May 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 David May was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.