JOSEPH DEAK
NPI 1740741727
Nurse Practitioner - Psychiatric/Mental Health in Greenwood Village, CO

Q: What is Joseph Deak's NPI number?

The NPI number for Joseph Deak is 1740741727. It was assigned to this individual provider in the NPPES registry on March 30, 2019.

Q: What is Joseph Deak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Deak was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 March 30, 2019PECOS Enrolled

6400 S FIDDLERS GREEN CIR STE 250, GREENWOOD VILLAGE, CO 80111(720) 823-7846 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 15, 2025, Jul 9, 2025, Aug 20, 2024 and 2 more (5 updates tracked since 2021).

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About Joseph Deak NPPES

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

JOSEPH DEAK (NPI 1740741727) is an individual psychiatric/mental health provider in Greenwood Village, Colorado, licensed in Colorado (C-RXN.0002090-C-NP) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1740741727

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameJOSEPH DEAK

Location Address6400 S FIDDLERS GREEN CIR STE 250Greenwood Village, CO 80111-5075

Mailing Address3101 Highway 207Rogersville, AL 35652-4313 · (720) 823-7846

Phone(720) 823-7846

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 30, 2019

Last NPPES UpdateSeptember 15, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2025

✔ NPI 1740741727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

Licenses✔ Licensed in CO · C-RXN.0002090-C-NP✔ Licensed in AL · 1-185722

6400 S FIDDLERS GREEN CIR STE 250, Greenwood Village, CO 80111

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Deak is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416352133

PECOS Enrollment IDI20220608002192

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 Reassignments

Medicare enrollment records show Joseph Deak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fiddlers Green Psychiatry LLC

Same address

Psychiatric/Mental Health

6400 S FIDDLERS GREEN CIR STE 250
Greenwood Village, CO 80111

Reassigned Medicare billing, Colorado enrollment

NPI 1306679634 (720) 823-7846

Valley Behavioral Services Inc

1,055 mi

Psychiatry

708 WILL HALSEY WAY STE C
Madison, AL 35758

Reassigned Medicare billing, Alabama enrollment
14 clinicians in this Medicare group

NPI 1992810428 (256) 325-1349

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

76 services12 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

51 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80111 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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 3

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

DEOBRAH KAWAKAMI MA LPC LLC

Counselor (Professional)

6400 S FIDDLERS GREEN CIR STE 250
GREENWOOD VILLAGE, CO 80111

Arapahoe County (303) 564-4575

FIDDLERS GREEN PSYCHIATRY LLC

Nurse Practitioner (Psychiatric/Mental Health)

6400 S FIDDLERS GREEN CIR STE 250
GREENWOOD VILLAGE, CO 80111

Arapahoe County (720) 823-7846

MRS. DEBORAH S. KAWAKAMI L.P.C.

Counselor (Professional)

6400 S FIDDLERS GREEN CIR STE 250
GREENWOOD VILLAGE, CO 80111

Arapahoe County (303) 564-4575

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 Joseph Deak's NPI number?

The NPI number for Joseph Deak is 1740741727. It was assigned to this individual provider in the NPPES registry on March 30, 2019.

Where is Joseph Deak located?

Joseph Deak practices at 6400 S Fiddlers Green Cir Ste 250, Greenwood Village, CO 80111. The listed phone number is (720) 823-7846.

What is Joseph Deak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Joseph Deak enrolled in Medicare?

Yes. Joseph Deak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joseph Deak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Deak reassigns Medicare benefits to 2 organizations: Fiddlers Green Psychiatry LLC (Greenwood Village, CO) and Valley Behavioral Services Inc (Madison, AL). Each 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 Joseph Deak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Deak was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.