Phyllis Klein, M.D.
NPI 1932166519 · Hematology & Oncology Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phyllis Klein, M.D. is a Hematology & Oncology Physician provider in West Covina, CA (NPI 1932166519).
Provider details
- NPI number
- 1932166519
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD198279 (OR)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (626) 775-3514
- 2610 Uhrmann RdKlamath Falls, OR 97601-1123Phone: (541) 274-4171Fax: (541) 274-4579
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2020-05-11
- Certified
- 2020-05-11
Frequently asked questions
- What is Phyllis Klein's NPI number?
- Phyllis Klein's National Provider Identifier (NPI) is 1932166519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phyllis Klein's specialty?
- Phyllis Klein is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Phyllis Klein located?
- Phyllis Klein's practice location on file with NPPES is 1250 S Sunset Ave Ste 303, West Covina, CA 91790-3912.
- What is Phyllis Klein's phone number?
- The practice phone number listed in the NPPES registry for Phyllis Klein is (626) 856-5858.
- Does Phyllis Klein accept Medicare?
- Phyllis Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phyllis Klein's NPI active?
- Yes — Phyllis Klein's NPI (1932166519) is active in the NPPES registry as of the last update on 2020-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.