Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARC GREENBERG MD
NPI 1750919205
Orthopaedic Surgery in Fort Wayne, IN

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
5050 N CLINTON ST, FORT WAYNE, IN 46825(260) 484-8551 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 18, 2026, Sep 4, 2026, Mar 31, 2020 (3 updates tracked since 2020).

About Marc Greenberg Md NPPES

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

MARC GREENBERG MD (NPI 1750919205) is an individual orthopaedic surgery provider in Fort Wayne, Indiana, licensed in Ohio (35.156703) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1750919205
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMARC GREENBERGCredential: MD
Location Address5050 N CLINTON STFort Wayne, IN 46825-5822
Mailing Address1 Kettle Point AveEast Providence, RI 02914-5375
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateSeptember 18, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1750919205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in OH · 35.156703✔ Licensed in RI · MD20645
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
5050 N CLINTON ST, Fort Wayne, IN 46825

Secondary Practice Locations 3

Location 1442 W High St Ste 3Bryan, OH 43506-1681 · Phone (419) 636-4571 · Fax (419) 636-6438
Location 22 Dudley St Ste 200Providence, RI 02905-3252 · Phone (401) 457-1500
Location 31 Kettle Point AveEast Providence, RI 02914-5375 · Phone (401) 457-1500

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

Marc Greenberg 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 ID2769979475
PECOS Enrollment IDI20251016000506
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 Marc Greenberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
442 W HIGH ST
Bryan, OH 43506
  • Reassigned Medicare billing, Ohio enrollment
  • 133 clinicians in this Medicare group
Orthopaedic Surgery
2 DUDLEY ST STE 200
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 222 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 2

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

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46825 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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 20

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

Nurse Anesthetist, Certified Registered
5050 N CLINTON ST
FORT WAYNE, IN 46825
Physician Assistant
5050 N CLINTON ST
FORT WAYNE, IN 46825
Nurse Anesthetist, Certified Registered
5050 N CLINTON ST
FORT WAYNE, IN 46825
Physical Therapist
5050 N CLINTON ST
FORT WAYNE, IN 46825
Specialist/Technologist (Athletic Trainer)
5050 N CLINTON ST
FT WAYNE, IN 46825
Anesthesiology
5050 N CLINTON ST
FORT WAYNE, IN 46825
Nurse Practitioner
5050 N CLINTON ST
FORT WAYNE, IN 46825
Student in an Organized Health Care Education/Training Program
5050 N CLINTON ST
FORT WAYNE, IN 46825

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 Marc Greenberg's NPI number?

The NPI number for Marc Greenberg is 1750919205. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Marc Greenberg located?

Marc Greenberg practices at 5050 N Clinton St, Fort Wayne, IN 46825. The listed phone number is (260) 484-8551.

What is Marc Greenberg's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Marc Greenberg enrolled in Medicare?

Yes. Marc Greenberg 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 Marc Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Greenberg reassigns Medicare benefits to 2 organizations: Midwest Community Health Associates, Inc. (Bryan, OH) and University Orthopedics, Inc. (Providence, RI). 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 Marc Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marc Greenberg accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and WellSense Health Plan list Marc Greenberg 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 Marc Greenberg affiliated with any hospitals?

According to CMS data, Marc Greenberg is affiliated with Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Marc Greenberg was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.