On Site Health Services PC
NPI 1720083553 · Optometrist · Blue Bell, PA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
On Site Health Services PC is a Optometrist organization in Blue Bell, PA (NPI 1720083553).
Provider details
- NPI number
- 1720083553
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Gary Itzenson, Owner Director Active, Attending(610) 825-8210
- License
- 27OA00437400 (NJ)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-06-17
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is On Site Health Services PC's NPI number?
- On Site Health Services PC's National Provider Identifier (NPI) is 1720083553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is On Site Health Services PC?
- On Site Health Services PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is On Site Health Services PC located?
- On Site Health Services PC's practice location on file with NPPES is 482 Norristown Rd, Blue Bell, PA 19422-2349.
- What is On Site Health Services PC's phone number?
- The practice phone number listed in the NPPES registry for On Site Health Services PC is (610) 825-8210.
- Does On Site Health Services PC accept Medicare?
- On Site Health Services PC 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 On Site Health Services PC?
- The authorized official listed on On Site Health Services PC's NPPES record is Gary Itzenson, Owner Director Active, Attending. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is On Site Health Services PC's NPI active?
- Yes — On Site Health Services PC's NPI (1720083553) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.