Richard Bertken, MD
NPI 1609895150 · Rheumatology Physician · Fresno, CA
Richard Bertken, MD is a Rheumatology Physician provider in Fresno, CA (NPI 1609895150).
Provider details
- NPI number
- 1609895150
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G30979 (CA)
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
- 2006-07-18
- Last updated
- 2021-01-27
- Certified
- 2021-01-27
Frequently asked questions
- What is Richard Bertken's NPI number?
- Richard Bertken's National Provider Identifier (NPI) is 1609895150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Bertken's specialty?
- Richard Bertken is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Bertken located?
- Richard Bertken's practice location on file with NPPES is 290 N Wayte Ln Ste 2300, Fresno, CA 93701-2124.
- What is Richard Bertken's phone number?
- The practice phone number listed in the NPPES registry for Richard Bertken is (866) 342-6012.
- Is Richard Bertken's NPI active?
- Yes — Richard Bertken's NPI (1609895150) is active in the NPPES registry as of the last update on 2021-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.