Shannon Maxwell, PSY.D, LP
NPI 1790058089 · Clinical Psychologist · Spearfish, SD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Maxwell, PSY.D, LP is a Clinical Psychologist provider in Spearfish, SD (NPI 1790058089).
Provider details
- NPI number
- 1790058089
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D, LP
- Sex
- Female
- Sole proprietor
- No
- License
- 530 (SD)
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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
274 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 By Technician, Each Additional 30 Minutes96139 | 116 | $34 |
| Evaluation of Psychological Test, Each Additional Hour96131 | 54 | $83 |
| Psychiatric Diagnostic Evaluation90791 | 37 | $167 |
| Evaluation of Psychological Test, First Hour96130 | 34 | $115 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 33 | $33 |
Typical Medicare-allowed amounts for these services range $33–$167 (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
Additional practice locations (1)
- 2525 W Main St Ste 210Rapid City, SD 57702-2439Phone: (605) 645-0100Fax: (605) 717-1009
Registry dates
- Enumerated
- 2012-02-16
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Shannon Maxwell's NPI number?
- Shannon Maxwell's National Provider Identifier (NPI) is 1790058089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Maxwell's specialty?
- Shannon Maxwell is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Shannon Maxwell located?
- Shannon Maxwell's practice location on file with NPPES is 115 N 7th St Ste 6, Spearfish, SD 57783-2710.
- What is Shannon Maxwell's phone number?
- The practice phone number listed in the NPPES registry for Shannon Maxwell is (605) 645-0100.
- Does Shannon Maxwell accept Medicare?
- Shannon Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Maxwell's NPI active?
- Yes — Shannon Maxwell's NPI (1790058089) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.