Peter Graskamp, PHD
NPI 1023024791 · Clinical Psychologist · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Graskamp, PHD is a Clinical Psychologist provider in Milwaukee, WI (NPI 1023024791).
Provider details
- NPI number
- 1023024791
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 2875-57 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 10850 W Park PlSuite 100Milwaukee, WI 53224-3606Phone: (262) 542-3255Fax: (414) 359-1021
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2020-01-16
- Certified
- 2020-01-16
Frequently asked questions
- What is Peter Graskamp's NPI number?
- Peter Graskamp's National Provider Identifier (NPI) is 1023024791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Graskamp's specialty?
- Peter Graskamp is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Peter Graskamp located?
- Peter Graskamp's practice location on file with NPPES is 5000 W National Ave Rm 4160, Milwaukee, WI 53295-0001.
- What is Peter Graskamp's phone number?
- The practice phone number listed in the NPPES registry for Peter Graskamp is (414) 384-2000.
- Does Peter Graskamp accept Medicare?
- Peter Graskamp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Graskamp's NPI active?
- Yes — Peter Graskamp's NPI (1023024791) is active in the NPPES registry as of the last update on 2020-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.