Ryan Zitter, MD, MSC
NPI 1962105031 · Radiation Oncology Physician · Chicago, IL
Ryan Zitter, MD, MSC is a Radiation Oncology Physician provider in Chicago, IL (NPI 1962105031).
Provider details
- NPI number
- 1962105031
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MSC
- Sex
- Male
- Sole proprietor
- No
- License
- 125.082098 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-03-27
- Last updated
- 2024-06-27
- Certified
- 2024-06-27
Frequently asked questions
- What is Ryan Zitter's NPI number?
- Ryan Zitter's National Provider Identifier (NPI) is 1962105031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Zitter's specialty?
- Ryan Zitter is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Zitter located?
- Ryan Zitter's practice location on file with NPPES is 5841 S Maryland Ave # Mc9006, Chicago, IL 60637-1443.
- What is Ryan Zitter's phone number?
- The practice phone number listed in the NPPES registry for Ryan Zitter is (773) 702-0817.
- Is Ryan Zitter's NPI active?
- Yes — Ryan Zitter's NPI (1962105031) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.