Grant Thimesch, DO
NPI 1770267197 · Dermatology Physician · Dearborn, MI
Enrolled with Medicare as Order and Referring Only - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Thimesch, DO is a Dermatology Physician provider in Dearborn, MI (NPI 1770267197).
Provider details
- NPI number
- 1770267197
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5151016329 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,119 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-14
- Last updated
- 2024-05-17
- Certified
- 2024-05-17
Frequently asked questions
- What is Grant Thimesch's NPI number?
- Grant Thimesch's National Provider Identifier (NPI) is 1770267197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Thimesch's specialty?
- Grant Thimesch is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Thimesch located?
- Grant Thimesch's practice location on file with NPPES is 18101 Oakwood Blvd, Dearborn, MI 48124-4089.
- What is Grant Thimesch's phone number?
- The practice phone number listed in the NPPES registry for Grant Thimesch is (313) 436-2577.
- Does Grant Thimesch accept Medicare?
- Grant Thimesch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Thimesch's NPI active?
- Yes — Grant Thimesch's NPI (1770267197) is active in the NPPES registry as of the last update on 2024-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.