Mark Lachman, O.D.
NPI 1164418695 · Optometrist · Wyomissing, PA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lachman, O.D. is a Optometrist provider in Wyomissing, PA (NPI 1164418695).
Provider details
- NPI number
- 1164418695
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OEG000800 (PA)
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
20 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
- 2005-09-20
- Last updated
- 2010-07-16
Frequently asked questions
- What is Mark Lachman's NPI number?
- Mark Lachman's National Provider Identifier (NPI) is 1164418695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lachman's specialty?
- Mark Lachman is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Lachman located?
- Mark Lachman's practice location on file with NPPES is 1665 State Hill Rd, Wyomissing, PA 19610-1900.
- What is Mark Lachman's phone number?
- The practice phone number listed in the NPPES registry for Mark Lachman is (610) 374-3777.
- Does Mark Lachman accept Medicare?
- Mark Lachman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lachman's NPI active?
- Yes — Mark Lachman's NPI (1164418695) is active in the NPPES registry as of the last update on 2010-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.