Al-Sayed MD Inc
NPI 1265016687 · Endocrinology, Diabetes & Metabolism Physician · Diamond Bar, CA
Al-Sayed MD Inc is a Endocrinology, Diabetes & Metabolism Physician organization in Diamond Bar, CA (NPI 1265016687).
Provider details
- NPI number
- 1265016687
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marlise Negrette, Medical Biller(909) 793-5511
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
5 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
- 2021-05-11
- Last updated
- 2021-05-11
- Certified
- 2021-05-11
Frequently asked questions
- What is Al-Sayed MD Inc's NPI number?
- Al-Sayed MD Inc's National Provider Identifier (NPI) is 1265016687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Al-Sayed MD Inc?
- Al-Sayed MD Inc is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Al-Sayed MD Inc located?
- Al-Sayed MD Inc's practice location on file with NPPES is 1375 Rolling Knoll Rd, Diamond Bar, CA 91765-2637.
- What is Al-Sayed MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Al-Sayed MD Inc is (989) 980-8779.
- Who is the authorized official for Al-Sayed MD Inc?
- The authorized official listed on Al-Sayed MD Inc's NPPES record is Marlise Negrette, Medical Biller. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Al-Sayed MD Inc's NPI active?
- Yes — Al-Sayed MD Inc's NPI (1265016687) is active in the NPPES registry as of the last update on 2021-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.