Ross Siemers, M.D.
NPI 1184716060 · Hematology & Oncology Physician · Marquette, MI
Ross Siemers, M.D. is a Hematology & Oncology Physician provider in Marquette, MI (NPI 1184716060).
Provider details
- NPI number
- 1184716060
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 34682 (MN)
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
19 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
- 2006-09-29
- Last updated
- 2013-06-24
Frequently asked questions
- What is Ross Siemers's NPI number?
- Ross Siemers's National Provider Identifier (NPI) is 1184716060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Siemers's specialty?
- Ross Siemers is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ross Siemers located?
- Ross Siemers's practice location on file with NPPES is 1414 W Fair Ave, Marquette, MI 49855-2675.
- What is Ross Siemers's phone number?
- The practice phone number listed in the NPPES registry for Ross Siemers is (906) 225-3922.
- Is Ross Siemers's NPI active?
- Yes — Ross Siemers's NPI (1184716060) is active in the NPPES registry as of the last update on 2013-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.