Mark B. Gordon, O.D.
Optometrist · Baltimore, MD
Mark B. Gordon, O.D. is an optometrist with a practice address in Baltimore, Maryland, and NPI 1821028382, issued on Jul 3, 2006. Check the license (Maryland TA0633, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark B. Gordon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- TA0633 MD
Self-reported in NPPES; status is on the state search - Practice location
- 100 Park Ave, Baltimore, MD 21201
- Phone
- (410) 752-1677
- Enumerated
- Jul 3, 2006
- Record last updated
- Mar 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 752-4435
- Medicare enrollment
- Enrolled (PECOS I20040309001379); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1971
- Entity
- Type 1 · individual
8 nearest optometrist records → All 924 in Maryland → Look up another NPI →
Also registered at 100 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Ekedahl, MDOphthalmology Physician1174781686
- Ross Fischer, O.D.Optometrist1720173594
- Angela Mantzavinos, ODOptometrist1740971787
- Clarke Nelson, M.D., PH.D.Ophthalmology Physician1558894923
Verify Mark B. Gordon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license TA0633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
16 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $98.65
3 payments; by number, the most common kind was food and beverage; the largest payer was Optos, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Barenburg Optical Service, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark B. Gordon among 924 optometrist records in Maryland
Mark B. Gordon, O.D. is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 56% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1971 · median 2005 among the 517 with a school on file
- Record last updated2008 · 63% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Maryland
There are 924 optometrist records in Maryland.
All 924 in Maryland → Every provider in Baltimore → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Lindsay Agro, ODBaltimore, MD 212011487110656
- Sheila Anderson, O.D.Baltimore, MD 212011023070562
- Rex Ballinger, ODBaltimore, MD 212011124089560
- Corinne Casey, ODBaltimore, MD 212011205193638
- Ross Fischer, O.D.Baltimore, MD 212011720173594
- Kelliann Kallaur, OD, FAAOBaltimore, MD 212011124082912
- Peter Lalle, ODBaltimore, MD 212011598873051
- Adam Leposa, O.D.Baltimore, MD 212011730488776
Common questions
What is Mark B. Gordon, O.D.'s NPI number?
Mark B. Gordon, O.D.'s National Provider Identifier (NPI) is 1821028382, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark B. Gordon, O.D. located?
The NPPES record lists a practice address at 100 Park Ave, Baltimore, MD, 21201. Phone: (410) 752-1677. Providers update this record themselves, so call before visiting.
How can I verify Mark B. Gordon, O.D.'s license?
NPPES lists Maryland license number TA0633, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mark B. Gordon, O.D. prescribe under Medicare Part D?
In 2024, Mark B. Gordon, O.D. had 16 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.