Rosetta Willis Hassan, MD
NPI 1871660704 · Clinical Genetics (M.D.) Physician · Bellflower, CA
Rosetta Willis Hassan, MD is a Clinical Genetics (M.D.) Physician provider in Bellflower, CA (NPI 1871660704).
Provider details
- NPI number
- 1871660704
- Entity type
- Individual
- Primary specialty
- Clinical Genetics (M.D.) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G36060 (CA)
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
- 2019-03-20
Frequently asked questions
- What is Rosetta Willis Hassan's NPI number?
- Rosetta Willis Hassan's National Provider Identifier (NPI) is 1871660704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosetta Willis Hassan's specialty?
- Rosetta Willis Hassan is listed in the NPPES registry with a primary specialty of Clinical Genetics (M.D.) Physician (Allopathic & Osteopathic Physicians).
- Where is Rosetta Willis Hassan located?
- Rosetta Willis Hassan's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Rosetta Willis Hassan's phone number?
- The practice phone number listed in the NPPES registry for Rosetta Willis Hassan is (562) 461-3000.
- Is Rosetta Willis Hassan's NPI active?
- Yes — Rosetta Willis Hassan's NPI (1871660704) is active in the NPPES registry as of the last update on 2019-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.