Roger Ritzlin, M.D.
NPI 1669549275 · Anatomic Pathology & Clinical Pathology Physician · Reno, NV
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Ritzlin, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Reno, NV (NPI 1669549275).
Provider details
- NPI number
- 1669549275
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 3977 (NV)
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
- 2006-11-29
- Last updated
- 2011-02-08
Frequently asked questions
- What is Roger Ritzlin's NPI number?
- Roger Ritzlin's National Provider Identifier (NPI) is 1669549275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Ritzlin's specialty?
- Roger Ritzlin is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Ritzlin located?
- Roger Ritzlin's practice location on file with NPPES is 1 Manville Medical Sciences Bldg Mail Stop 350, Reno, NV 89557-0001.
- What is Roger Ritzlin's phone number?
- The practice phone number listed in the NPPES registry for Roger Ritzlin is (775) 784-4068.
- Does Roger Ritzlin accept Medicare?
- Roger Ritzlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Ritzlin's NPI active?
- Yes — Roger Ritzlin's NPI (1669549275) is active in the NPPES registry as of the last update on 2011-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.