Aleen Avakian M.D., & Siran Sirop M.D., Inc
NPI 1811693641 · Family Medicine Physician · Pasadena, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aleen Avakian M.D., & Siran Sirop M.D., Inc is a Family Medicine Physician organization in Pasadena, CA (NPI 1811693641).
Provider details
- NPI number
- 1811693641
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Aleen Avakian, President(626) 737-6266
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
3 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
- 2023-02-02
- Last updated
- 2023-02-02
- Certified
- 2023-02-02
Frequently asked questions
- What is Aleen Avakian M.D., & Siran Sirop M.D., Inc's NPI number?
- Aleen Avakian M.D., & Siran Sirop M.D., Inc's National Provider Identifier (NPI) is 1811693641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Aleen Avakian M.D., & Siran Sirop M.D., Inc?
- Aleen Avakian M.D., & Siran Sirop M.D., Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aleen Avakian M.D., & Siran Sirop M.D., Inc located?
- Aleen Avakian M.D., & Siran Sirop M.D., Inc's practice location on file with NPPES is 301 S Fair Oaks Ave Ste 103, Pasadena, CA 91105-2536.
- What is Aleen Avakian M.D., & Siran Sirop M.D., Inc's phone number?
- The practice phone number listed in the NPPES registry for Aleen Avakian M.D., & Siran Sirop M.D., Inc is (626) 737-6266.
- Does Aleen Avakian M.D., & Siran Sirop M.D., Inc accept Medicare?
- Aleen Avakian M.D., & Siran Sirop M.D., Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Aleen Avakian M.D., & Siran Sirop M.D., Inc?
- The authorized official listed on Aleen Avakian M.D., & Siran Sirop M.D., Inc's NPPES record is Aleen Avakian, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Aleen Avakian M.D., & Siran Sirop M.D., Inc's NPI active?
- Yes — Aleen Avakian M.D., & Siran Sirop M.D., Inc's NPI (1811693641) is active in the NPPES registry as of the last update on 2023-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.