Alfred Hillwig, PSY.D.
NPI 1801944418 · Psychologist · Phoenix, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Hillwig, PSY.D. is a Psychologist provider in Phoenix, MD (NPI 1801944418).
Provider details
- NPI number
- 1801944418
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD 04188 (MD)
Specialties & taxonomies
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
19 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
2,055 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) |
|---|---|---|
| Psychiatric Diagnostic Evaluation90791 | 484 | $153 |
| Psychotherapy, 30 Minutes90832 | 482 | $71 |
| Evaluation of Neuropsychological Test, First Hour96132 | 425 | $109 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 424 | $24 |
| Psychotherapy, 30 Minutes90832 | 56 | $82 |
| Psychiatric Diagnostic Evaluation90791 | 43 | $180 |
| Psychotherapy, 45 Minutes90834 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alfred Hillwig's NPI number?
- Alfred Hillwig's National Provider Identifier (NPI) is 1801944418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Hillwig's specialty?
- Alfred Hillwig is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Alfred Hillwig located?
- Alfred Hillwig's practice location on file with NPPES is 3313 Paper Mill Rd, Phoenix, MD 21131-1465.
- What is Alfred Hillwig's phone number?
- The practice phone number listed in the NPPES registry for Alfred Hillwig is (410) 628-1978.
- Does Alfred Hillwig accept Medicare?
- Alfred Hillwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Hillwig's NPI active?
- Yes — Alfred Hillwig's NPI (1801944418) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.