Marco De Groot, MD, PHD
NPI 1700139060 · Hematology & Oncology Physician · Seattle, WA
Marco De Groot, MD, PHD is a Hematology & Oncology Physician provider in Seattle, WA (NPI 1700139060).
Provider details
- NPI number
- 1700139060
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 60316103 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2012-10-23
- Last updated
- 2012-10-23
Frequently asked questions
- What is Marco De Groot's NPI number?
- Marco De Groot's National Provider Identifier (NPI) is 1700139060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marco De Groot's specialty?
- Marco De Groot is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marco De Groot located?
- Marco De Groot's practice location on file with NPPES is 825 Eastlake Ave E, Seattle, WA 98109-4405.
- What is Marco De Groot's phone number?
- The practice phone number listed in the NPPES registry for Marco De Groot is (206) 288-6956.
- Is Marco De Groot's NPI active?
- Yes — Marco De Groot's NPI (1700139060) is active in the NPPES registry as of the last update on 2012-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.