Gary Ludwig, PH.D
NPI 1528078987 · Psychologist · Moline, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Ludwig, PH.D is a Psychologist provider in Moline, IL (NPI 1528078987).
Provider details
- NPI number
- 1528078987
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- 071-006292 (IL)
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
317 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) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 117 | $34 |
| Psychotherapy, 1 Hour90837 | 114 | $146 |
| Evaluation of Neuropsychological Test, First Hour96132 | 35 | $121 |
| Psychiatric Diagnostic Evaluation90791 | 32 | $162 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 19 | $39 |
Typical Medicare-allowed amounts for these services range $34–$162 (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
- 2006-08-09
- Last updated
- 2013-01-23
Frequently asked questions
- What is Gary Ludwig's NPI number?
- Gary Ludwig's National Provider Identifier (NPI) is 1528078987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Ludwig's specialty?
- Gary Ludwig is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Ludwig located?
- Gary Ludwig's practice location on file with NPPES is 2100 52nd Ave, Moline, IL 61265-6366.
- What is Gary Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Gary Ludwig is (309) 797-2900.
- Does Gary Ludwig accept Medicare?
- Gary Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Ludwig's NPI active?
- Yes — Gary Ludwig's NPI (1528078987) is active in the NPPES registry as of the last update on 2013-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.