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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. CONSTANCE ANNE KLEIN LCSW
NPI 1699842641
Social Worker - Clinical in Denver, CO

Active since November 28, 2006PECOS Enrolled
8959 E 40TH AVE, DENVER, CO 80238(720) 848-0000 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 13, 2026, Jul 24, 2023, Jun 7, 2023 (3 updates tracked since 2023).

About Ms. Constance Anne Klein Lcsw NPPES

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

MS. CONSTANCE ANNE KLEIN LCSW (NPI 1699842641) is an individual clinical provider in Denver, Colorado, licensed in Colorado (991053) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Aurora.

NPPES Registry Identity

NPI1699842641
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CONSTANCE ANNE KLEINCredential: LCSW
Location Address8959 E 40TH AVEDenver, CO 80238-5026
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Phone(720) 848-0000
Sole ProprietorNo
Enumeration DateNovember 28, 2006
Last NPPES UpdateAugust 13, 20263 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
✔ NPI 1699842641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · 991053
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 991053 (CO)
8959 E 40TH AVE, Denver, CO 80238
Open in Google Maps ↗

Secondary Practice Location 1

Location 11290 Chambers RdAurora, CO 80011-7117 · Phone (303) 617-2300 · Fax (303) 617-2344

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Constance Anne Klein Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80238 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
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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

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

SARA ENID TISHERMAN MD
Family Medicine
8959 E 40TH AVE
DENVER, CO 80238
Denver County (720) 462-2263

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 Constance Klein's NPI number?

The NPI number for Constance Klein is 1699842641. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Constance Klein located?

Constance Klein practices at 8959 E 40th Ave, Denver, CO 80238. The listed phone number is (720) 848-0000.

What is Constance Klein's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Constance Klein enrolled in Medicare?

Yes. Constance Klein is registered in the Medicare PECOS enrollment system.

What insurance does Constance Klein accept?

Health plans from Oscar Insurance Company list Constance Klein 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 Constance Klein was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.