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BARENBURG OPTICAL SERVICE, INC
NPI 1639179112
Optometrist in Baltimore, MD

Active since July 27, 2005
100 PARK AVE, BALTIMORE, MD 21201(410) 752-1677(410) 752-4435 Get Directions Write a Review

NPPES record last updated: December 1, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Barenburg Optical Service, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BARENBURG OPTICAL SERVICE, INC (NPI 1639179112) is a healthcare organization registered as an optometrist in Baltimore, Maryland and active in the NPI registry since July 2005. The organization lists Mark B Gordon, President, as its authorized official.

NPPES Registry Identity

NPI1639179112
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameBARENBURG OPTICAL SERVICE, INC
Location Address100 PARK AVEBaltimore, MD 21201-3416
Mailing Address100 Park AveBaltimore, MD 21201-3416 · (410) 752-1677 · Fax (410) 752-4435
Phone(410) 752-1677
Fax(410) 752-4435
Organization SubpartNo
Authorized OfficialMark B GordonPresident · (410) 752-1677
Enumeration DateJuly 27, 2005
Last NPPES UpdateDecember 1, 2016
✔ NPI 1639179112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MD · TA0633
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
100 PARK AVE, Baltimore, MD 21201
Open in Google Maps ↗

Other Identifiers 2

Medicare NSC4091880004MD
Medicare PIN693LMD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Barenburg Optical Service, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

22

Medicare enrollment records show 22 clinicians reassign Medicare billing to Barenburg Optical Service, Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Optometry14
Ophthalmology8

Nearest to this location (20)

See all 22
Jonathan Ekedahl, MD
Ophthalmology
NPI 1174781686
100 PARK AVE
Baltimore, MD 21201
(410) 752-1677
✔ PECOS✔ Accepts MedicareSame address
Ross Fischer, O.D.
Optometry
NPI 1720173594
100 PARK AVE
Baltimore, MD 21201
(410) 752-1677
Same address
Mark Gordon, O.D.
Optometry
NPI 1821028382
100 PARK AVE
Baltimore, MD 21201
(410) 752-1677
✔ PECOS✔ Accepts MedicareSame address
Angela Mantzavinos, OD
Optometry
NPI 1740971787
100 PARK AVE
Baltimore, MD 21201
(410) 727-0285
✔ PECOS✔ Accepts MedicareSame address
Clarke Nelson, M.D., PH.D.
Ophthalmology
NPI 1558894923
100 PARK AVE
Baltimore, MD 21201
(410) 752-1677
✔ PECOS✔ Accepts MedicareSame address
Nia Ebrahim, OD
Optometry
NPI 1336982750
10 N GREENE ST
Baltimore, MD 21201
(410) 605-7000
✔ PECOS✔ Accepts Medicare0.3 mi
Pamela Brogden, OD
Optometry
NPI 1245476068
1253 W PRATT ST
Baltimore, MD 21223
(410) 727-4746
✔ PECOS1.1 mi
Robert Loeb, M.D.
Ophthalmology
NPI 1730110966
1105 N POINT BLVD SUITE 323
Baltimore, MD 21224
(410) 282-5954
✔ PECOS✔ Accepts Medicare6.0 mi
Matthew Speicher, M.D.
Ophthalmology
NPI 1275536963
6115 FALLS RD STE 300
Baltimore, MD 21209
(410) 377-7611
✔ PECOS✔ Accepts Medicare6.2 mi
Eric Suan, M.D.
Ophthalmology
NPI 1275536971
6115 FALLS RD STE 300
Baltimore, MD 21209
(410) 377-7611
✔ PECOS✔ Accepts Medicare6.2 mi
Newman Sund, MD
Ophthalmology
NPI 1548215007
6115 FALLS RD 300
Baltimore, MD 21209
(410) 377-7611
✔ PECOS✔ Accepts Medicare6.2 mi
Nabeela Karim, OD
Optometry
NPI 1083266290
1401 MERRITT BLVD # F
Dundalk, MD 21222
(443) 376-0019
✔ PECOS✔ Accepts Medicare6.3 mi
Jay Parran, M.D.
Ophthalmology
NPI 1891773719
6600 BELAIR RD SUITE 1A
Baltimore, MD 21206
(410) 254-2025
✔ PECOS✔ Accepts Medicare6.4 mi
Eugene Salvo, M.D.
Ophthalmology
NPI 1861484735
516 N ROLLING RD
Catonsville, MD 21228
(410) 744-4341
✔ PECOS✔ Accepts Medicare7.4 mi
Osasenaga West-Erhabor, O.D
Optometry
NPI 1932817608
2925 LORD BALTIMORE DR STE 300
Windsor Mill, MD 21244
(410) 277-3937
✔ PECOS✔ Accepts Medicare7.8 mi
Hollie Brannan, O.D
Optometry
NPI 1558391292
9613 HARFORD RD STE I
Baltimore, MD 21234
(410) 665-6200
✔ PECOS✔ Accepts Medicare8.9 mi
Shoshana Cohen, O.D.
Optometry
NPI 1013948298
1838 GREENE TREE RD SUITE 225
Baltimore, MD 21208
(410) 653-0200
✔ PECOS✔ Accepts Medicare9.4 mi
Joshua Gordon, O.D.
Optometry
NPI 1306877683
9051 BALTIMORE NATIONAL PIKE
Ellicott City, MD 21042
(410) 465-4080
✔ PECOS✔ Accepts Medicare11 mi
Rita Vekker, O.D
Optometry
NPI 1710212238
10270 MILL RUN CIR
Owings Mills, MD 21117
(410) 929-4717
✔ PECOS✔ Accepts Medicare12 mi
Joon Hur, O.D.
Optometry
NPI 1588225833
104 PLUMTREE RD STE 107
Bel Air, MD 21015
(410) 569-7173
✔ PECOS✔ Accepts Medicare21 mi
See all 22 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Barenburg Optical Service, Inc's NPI number?

The NPI number for Barenburg Optical Service, Inc is 1639179112. It was assigned to this organization in the NPPES registry on July 27, 2005.

Where is Barenburg Optical Service, Inc located?

Barenburg Optical Service, Inc is located at 100 Park Ave, Baltimore, MD 21201. The listed phone number is (410) 752-1677.

What is Barenburg Optical Service, Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Barenburg Optical Service, Inc enrolled in Medicare?

Yes. Barenburg Optical Service, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Barenburg Optical Service, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 22 clinicians in 2 Medicare specialties reassign their Medicare billing to Barenburg Optical Service, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Optometry (14) and Ophthalmology (8). Of these, 5 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Barenburg Optical Service, Inc accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee list Barenburg Optical Service, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Barenburg Optical Service, Inc was last updated on December 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.