MATTHEW KLEIN DO
NPI 1326364233
Psychiatry & Neurology - Child & Adolescent Psychiatry in Windsor, CO

Q: What is Matthew Klein's NPI number?

The NPI number for Matthew Klein is 1326364233. It was assigned to this individual provider in the NPPES registry on April 16, 2010.

Q: What is Matthew Klein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: Is Matthew Klein enrolled in Medicare?

No. Matthew Klein has opted out of Medicare through August 15, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Matthew Klein was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 16, 2010Opted out of Medicare · through Aug 15, 2026

360 RANCHO DR UNIT 114, WINDSOR, CO 80550(602) 875-0600(602) 875-0606 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 10, 2026, Mar 3, 2026, Jan 19, 2026 and 7 more (10 updates tracked since 2018).

On this page

About Matthew Klein Do NPPES

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

MATTHEW KLEIN DO (NPI 1326364233) is an individual child & adolescent psychiatry provider in Windsor, Colorado, licensed in Colorado (DR.0070176) and active in the NPI registry since April 2010. He has opted out of Medicare through August 15, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1326364233

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameMATTHEW KLEINCredential: DO

Location Address360 RANCHO DR UNIT 114Windsor, CO 80550-7945

Mailing Address360 Rancho Dr Unit 114Windsor, CO 80550-7945 · (602) 875-0600 · Fax (602) 875-0606

Phone(602) 875-0600

Fax(602) 875-0606

Sole ProprietorYes

Enumeration DateApril 16, 2010

Last NPPES UpdateApril 10, 202610 updates tracked since enumeration

NPPES CertifiedApril 10, 2026

✔ NPI 1326364233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in CO · DR.0070176

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License DR.0070176 (CO)

360 RANCHO DR UNIT 114, Windsor, CO 80550

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Matthew Klein Do has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 15, 2018 through August 15, 2026.

Opt-Out Effective DateAugust 15, 2018

Opt-Out In Effect ThroughAugust 15, 2026Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$67.75 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$34.38 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Matthew Klein's NPI number?

The NPI number for Matthew Klein is 1326364233. It was assigned to this individual provider in the NPPES registry on April 16, 2010.

Where is Matthew Klein located?

Matthew Klein practices at 360 Rancho Dr Unit 114, Windsor, CO 80550. The listed phone number is (602) 875-0600.

What is Matthew Klein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Matthew Klein enrolled in Medicare?

No. Matthew Klein has opted out of Medicare through August 15, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Matthew Klein was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.