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MAIRE CLAIRE DIEMER PHD
NPI 1609737931
Psychologist - Clinical in North Charleston, SC

Active since November 18, 2025PECOS EnrolledAccepts Medicare Assignment
4000 FABER PLACE DR STE 110, NORTH CHARLESTON, SC 29405(843) 501-1099 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 2, 2026, Nov 18, 2025 (2 updates tracked since 2025).

About Maire Claire Diemer Phd NPPES

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

MAIRE CLAIRE DIEMER PHD (NPI 1609737931) is an individual clinical provider in North Charleston, South Carolina, licensed in South Carolina (1955) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mount Pleasant, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1609737931
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMAIRE CLAIRE DIEMERCredential: PHD
Location Address4000 FABER PLACE DR STE 110North Charleston, SC 29405-8585
Mailing Address4800 N Scottsdale Rd Ste 2500, Ste 2500Scottsdale, AZ 85251-7630
Phone(843) 501-1099
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateNovember 18, 2025
Last NPPES UpdateApril 2, 20262 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
✔ NPI 1609737931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in SC · 1955
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
4000 FABER PLACE DR STE 110, North Charleston, SC 29405
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Secondary Practice Location 1

Location 1871 Lowcountry Blvd Ste 200Mount Pleasant, SC 29464-3096 · Phone (854) 264-9514

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, UnitedHealthcare.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

Maire Claire Diemer Phd 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 ID1951874502
PECOS Enrollment IDI20260624004402
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 Maire Diemer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Charleston Counseling Center PC
8.4 mi
Mental Health
871 LOWCOUNTRY BLVD STE 200
Mount Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 285 clinicians in this Medicare group
NPI 1316375678 (843) 501-1099

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

ROCHELLE T WRIGHT
Social Worker (Clinical)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099
CARA MCDERMOTT DO
Psychiatry & Neurology (Psychiatry)
4000 FABER PLACE DR STE 110
CHARLESTON, SC 29405
Charleston County (854) 246-1100
MARIE ANN DEMCHAK-BUOTTE PHD, M.A.
Psychologist (Clinical)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (833) 803-1894
ROBBIE WINDHAM GEISELMAN APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099
RICHARD JAMES STOLTZ LISW-CP SC 14656
Social Worker (Clinical)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099
MRS. RYAN E TERRELL LPC
Counselor (Professional)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099
KARI OLSEN
Social Worker (Clinical)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099
LAKARA PROFIT DNP
Nurse Practitioner (Psychiatric/Mental Health)
4000 FABER PLACE DR STE 110
NORTH CHARLESTON, SC 29405
Charleston County (843) 501-1099

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 Maire Diemer's NPI number?

The NPI number for Maire Diemer is 1609737931. It was assigned to this individual provider in the NPPES registry on November 18, 2025.

Where is Maire Diemer located?

Maire Diemer practices at 4000 Faber Place Dr Ste 110, North Charleston, SC 29405. The listed phone number is (843) 501-1099.

What is Maire Diemer's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Maire Diemer enrolled in Medicare?

Yes. Maire Diemer 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 Maire Diemer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maire Diemer reassigns Medicare benefits to Charleston Counseling Center PC (Mount Pleasant, SC). 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 Maire Diemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maire Diemer accept?

Health plans from BlueCross BlueShield of South Carolina and UnitedHealthcare list Maire Diemer 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 Maire Diemer was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.