Derek Hatfield, PH.D.
NPI 1427388859 · Psychologist · Yakima, WA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Hatfield, PH.D. is a Psychologist provider in Yakima, WA (NPI 1427388859).
Provider details
- NPI number
- 1427388859
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PY61150763 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
156 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) |
|---|---|---|
| Psychotherapy, 1 Hour90837 | 156 | $150 |
Typical Medicare-allowed amounts for these services range $150–$150 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-01-07
- Last updated
- 2021-08-31
- Certified
- 2021-08-31
Frequently asked questions
- What is Derek Hatfield's NPI number?
- Derek Hatfield's National Provider Identifier (NPI) is 1427388859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Hatfield's specialty?
- Derek Hatfield is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Derek Hatfield located?
- Derek Hatfield's practice location on file with NPPES is 520 Hennessy Rd, Yakima, WA 98908-9533.
- What is Derek Hatfield's phone number?
- The practice phone number listed in the NPPES registry for Derek Hatfield is (724) 541-2701.
- Does Derek Hatfield accept Medicare?
- Derek Hatfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Hatfield's NPI active?
- Yes — Derek Hatfield's NPI (1427388859) is active in the NPPES registry as of the last update on 2021-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.