M.a. Medical Group, Inc
NPI 1578790234 · Family Medicine Physician · Monterey Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
M.a. Medical Group, Inc is a Family Medicine Physician organization in Monterey Park, CA (NPI 1578790234).
Provider details
- NPI number
- 1578790234
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Reuven Sison, President(626) 607-0333
- License
- A31954 (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
17 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
- 2009-06-19
- Last updated
- 2009-06-19
Frequently asked questions
- What is M.a. Medical Group, Inc's NPI number?
- M.a. Medical Group, Inc's National Provider Identifier (NPI) is 1578790234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is M.a. Medical Group, Inc?
- M.a. Medical Group, Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is M.a. Medical Group, Inc located?
- M.a. Medical Group, Inc's practice location on file with NPPES is 850 S Atlantic Blvd, Monterey Park, CA 91754-4730.
- What is M.a. Medical Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for M.a. Medical Group, Inc is (626) 607-0333.
- Does M.a. Medical Group, Inc accept Medicare?
- M.a. Medical Group, 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 M.a. Medical Group, Inc?
- The authorized official listed on M.a. Medical Group, Inc's NPPES record is Reuven Sison, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is M.a. Medical Group, Inc's NPI active?
- Yes — M.a. Medical Group, Inc's NPI (1578790234) is active in the NPPES registry as of the last update on 2009-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.