Joseph Deak
NPI 1740741727 · Psychiatric/Mental Health Nurse Practitioner · Greenwood Village, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Deak is a Psychiatric/Mental Health Nurse Practitioner provider in Greenwood Village, CO (NPI 1740741727).
Provider details
- NPI number
- 1740741727
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- C-RXN.0002090-C-NP (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
127 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $81 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 51 | $54 |
Typical Medicare-allowed amounts for these services range $54–$81 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 54 |
| Duloxetine Hcl | 39 |
| Aripiprazole | 33 |
| Sertraline Hcl | 32 |
| Buspirone Hcl | 26 |
| Trazodone Hcl | 24 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 21 |
| Olanzapine | 19 |
| Fluoxetine Hcl | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-30
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Joseph Deak's NPI number?
- Joseph Deak's National Provider Identifier (NPI) is 1740741727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Deak's specialty?
- Joseph Deak is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Deak located?
- Joseph Deak's practice location on file with NPPES is 6400 S Fiddlers Green Cir Ste 250, Greenwood Village, CO 80111-5075.
- What is Joseph Deak's phone number?
- The practice phone number listed in the NPPES registry for Joseph Deak is (720) 823-7846.
- Does Joseph Deak accept Medicare?
- Joseph Deak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Deak's NPI active?
- Yes — Joseph Deak's NPI (1740741727) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.