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Robert Geller, MD
NPI 1861673121 · Hematology & Oncology Physician · Berlin, WI
Robert Geller, MD is a Hematology & Oncology Physician provider in Berlin, WI (NPI 1861673121).
Provider details
- NPI number
- 1861673121
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 43939 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
225 Memorial Dr
Suite 1600
Berlin, WI 54923-1243
Phone: (920) 361-6360
Fax: (920) 361-5324
Street-level locationGet directions
Mailing address
225 Memorial Dr
Berlin, WI 54923-1243
Registry dates
- Enumerated
- 2007-11-15
- Last updated
- 2014-05-06
Frequently asked questions
- What is Robert Geller's NPI number?
- Robert Geller's National Provider Identifier (NPI) is 1861673121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Geller's specialty?
- Robert Geller is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Geller located?
- Robert Geller's practice location on file with NPPES is 225 Memorial Dr, Berlin, WI 54923-1243.
- What is Robert Geller's phone number?
- The practice phone number listed in the NPPES registry for Robert Geller is (920) 361-6360.
- Is Robert Geller's NPI active?
- Yes — Robert Geller's NPI (1861673121) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.