Vonnahme & Associates LLC PC
NPI 1841359908 · Optometrist · Holyoke, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vonnahme & Associates LLC PC is a Optometrist organization in Holyoke, MA (NPI 1841359908).
Provider details
- NPI number
- 1841359908
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Hans Vonnahme, Owner(413) 552-3937
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2011-05-24
Frequently asked questions
- What is Vonnahme & Associates LLC PC's NPI number?
- Vonnahme & Associates LLC PC's National Provider Identifier (NPI) is 1841359908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Vonnahme & Associates LLC PC?
- Vonnahme & Associates LLC PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Vonnahme & Associates LLC PC located?
- Vonnahme & Associates LLC PC's practice location on file with NPPES is 98 Lower Westfield Rd, Holyoke, MA 01040-9403.
- What is Vonnahme & Associates LLC PC's phone number?
- The practice phone number listed in the NPPES registry for Vonnahme & Associates LLC PC is (413) 552-3937.
- Does Vonnahme & Associates LLC PC accept Medicare?
- Vonnahme & Associates LLC 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 Vonnahme & Associates LLC PC?
- The authorized official listed on Vonnahme & Associates LLC PC's NPPES record is Hans Vonnahme, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Vonnahme & Associates LLC PC's NPI active?
- Yes — Vonnahme & Associates LLC PC's NPI (1841359908) is active in the NPPES registry as of the last update on 2011-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.