BRADLEY S GUNDLACH MD
NPI 1881343234
Ophthalmology in Philadelphia, PA

Active since March 22, 2022PECOS EnrolledAccepts Medicare Assignment
840 WALNUT ST STE 1020, PHILADELPHIA, PA 19107(800) 331-6634 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2026, Jun 1, 2026 (2 updates tracked since 2026).

About Bradley S Gundlach Md NPPES

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

BRADLEY S GUNDLACH MD (NPI 1881343234) is an individual ophthalmology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD494071) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of University Of California, Geffen School Of Medicine (2022).

NPPES Registry Identity

NPI1881343234
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameBRADLEY S GUNDLACHCredential: MD
Location Address840 WALNUT ST STE 1020Philadelphia, PA 19107-5180
Mailing Address840 Walnut St Ste 1020Philadelphia, PA 19107-5180 · (800) 331-6634
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2022
Enumeration DateMarch 22, 2022
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1881343234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in PA · MD494071
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
840 WALNUT ST STE 1020, Philadelphia, PA 19107

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Bradley S Gundlach Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436509288
PECOS Enrollment IDI20260519003118
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Bradley Gundlach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ophthalmology
840 WALNUT ST, SUITE 1230
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 230 clinicians in this Medicare group
Ophthalmology
4060 BUTLER PIKE, SUITE 200
Plymouth Meeting, PA 19462
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 37 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST STE 1020
PHILADELPHIA, PA 19107

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 Bradley Gundlach's NPI number?

The NPI number for Bradley Gundlach is 1881343234. It was assigned to this individual provider in the NPPES registry on March 22, 2022.

Where is Bradley Gundlach located?

Bradley Gundlach practices at 840 Walnut St Ste 1020, Philadelphia, PA 19107. The listed phone number is (800) 331-6634.

What is Bradley Gundlach's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Bradley Gundlach enrolled in Medicare?

Yes. Bradley Gundlach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Bradley Gundlach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bradley Gundlach reassigns Medicare benefits to 2 organizations: Wills Eye Ophthalmology Clinic, Inc (Philadelphia, PA) and Retinovitreous Associates Ltd (Plymouth Meeting, PA). Each 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 Bradley Gundlach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bradley Gundlach accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Bradley Gundlach 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.

Is Bradley Gundlach affiliated with any hospitals?

According to CMS data, Bradley Gundlach is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Bradley Gundlach was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.