OrganizationActive
Massen Medical Inc.
NPI 1669533642 · Clinic/Center · Hayward, CA
Massen Medical Inc. is a Clinic/Center organization in Hayward, CA (NPI 1669533642).
Provider details
- NPI number
- 1669533642
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Arkady Massen, Medical Doctor(510) 783-0536
- License
- 00A527260 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(90/100 index)
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
19682 Hesperian Blvd
Ste 101a
Hayward, CA 94541-4752
Phone: (510) 783-0536
Fax: (510) 315-1103
Street-level locationGet directions
Mailing address
19682 Hesperian Blvd Ste 101a
Hayward, CA 94541-4752
Other names (DBA / former)
- Doing business as
- Massen Medical Inc.
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2013-12-18
Frequently asked questions
- What is Massen Medical Inc.'s NPI number?
- Massen Medical Inc.'s National Provider Identifier (NPI) is 1669533642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Massen Medical Inc.?
- Massen Medical Inc. is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Massen Medical Inc. located?
- Massen Medical Inc.'s practice location on file with NPPES is 19682 Hesperian Blvd, Hayward, CA 94541-4752.
- What is Massen Medical Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Massen Medical Inc. is (510) 783-0536.
- Who is the authorized official for Massen Medical Inc.?
- The authorized official listed on Massen Medical Inc.'s NPPES record is Arkady Massen, Medical Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Massen Medical Inc.'s NPI active?
- Yes — Massen Medical Inc.'s NPI (1669533642) is active in the NPPES registry as of the last update on 2013-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.