Richard Klassen, M.D.
NPI 1770699100 · Family Medicine Physician · Tucson, AZ
Richard Klassen, M.D. is a Family Medicine Physician provider in Tucson, AZ (NPI 1770699100).
Provider details
- NPI number
- 1770699100
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42615 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-21
- Last updated
- 2011-07-22
Frequently asked questions
- What is Richard Klassen's NPI number?
- Richard Klassen's National Provider Identifier (NPI) is 1770699100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Klassen's specialty?
- Richard Klassen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Klassen located?
- Richard Klassen's practice location on file with NPPES is 2500 N Silverbell Rd, Tucson, AZ 85745-7062.
- What is Richard Klassen's phone number?
- The practice phone number listed in the NPPES registry for Richard Klassen is (520) 777-2288.
- Is Richard Klassen's NPI active?
- Yes — Richard Klassen's NPI (1770699100) is active in the NPPES registry as of the last update on 2011-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.