Mark D. Lachman, O.D.
Optometrist · Wyomissing, PA
Mark D. Lachman, O.D. is an optometrist with a practice address in Wyomissing, Pennsylvania, and NPI 1164418695, issued on Sep 20, 2005. Check the license (Pennsylvania OEG000800, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark D. Lachman
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG000800 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1665 State Hill RD, Wyomissing, PA 19610
- Phone
- (610) 374-3777
- Enumerated
- Sep 20, 2005
- Record last updated
- Jul 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Also registered at 1665 State Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janice Fetrow-Stewart, MSW, LSW, ACSWSocial Worker1366721896
- Lisa Levine, ODOptometrist1710068184
- Clark Ocker, O.D.Optometrist1992751614
Verify Mark D. Lachman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG000800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark D. Lachman among 2,640 optometrist records in Pennsylvania
Mark D. Lachman, O.D. is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2010 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 optometrist records list a practice address in Wyomissing
They are 27 of the 1,272 NPPES records with a practice address in Wyomissing, and 2,640 optometrist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,640 in Pennsylvania → Every provider in Wyomissing → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Helga Barrett, ODWyomissing, PA 196101588610240
- Michael Burkhart, O.D.Wyomissing, PA 196101649213273
- Kerry Burrell, O.D.Wyomissing, PA 196101336135003
- Robert Copeland, O.D.,F.C.O.V.DWyomissing, PA 196101538121694
- Glenn Corbin, O.D.Wyomissing, PA 196101508828666
- Peggy Dixon, ODWyomissing, PA 196101497798979
- Nicole Forney, O.D.Wyomissing, PA 196101053316687
- Linda Heisey, O.D.Wyomissing, PA 196101518963842
Common questions
What is Mark D. Lachman, O.D.'s NPI number?
Mark D. Lachman, O.D.'s National Provider Identifier (NPI) is 1164418695, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Lachman, O.D. located?
The NPPES record lists a practice address at 1665 State Hill RD, Wyomissing, PA, 19610. Phone: (610) 374-3777. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Lachman, O.D.'s license?
NPPES lists Pennsylvania license number OEG000800, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.