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MARC B OSIAS MD
NPI 1821081753
Urology in East Norriton, PA

Active since August 25, 2005PECOS Enrolled
325 WEST GERMANTOWN PIKE, SUITE 100, EAST NORRITON, PA 19403(610) 272-1881(610) 275-8819 Get Directions Write a Review

NPPES record last updated: May 24, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marc B Osias Md NPPES

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

MARC B OSIAS MD (NPI 1821081753) is an individual urology provider in East Norriton, Pennsylvania, licensed in Pennsylvania (MD023442E) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821081753
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameMARC B OSIASCredential: MD
Location Address325 WEST GERMANTOWN PIKE, SUITE 100East Norriton, PA 19403
Mailing Address325 West Germantown Pike, Suite 100East Norriton, PA 19403 · (610) 272-1881 · Fax (610) 275-8819
Phone(610) 272-1881
Fax(610) 275-8819
Sole ProprietorNo
Enumeration DateAugust 25, 2005
Last NPPES UpdateMay 24, 2011
✔ NPI 1821081753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in PA · MD023442E
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
325 WEST GERMANTOWN PIKE, East Norriton, PA 19403
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Other Identifiers 3

Medicare UPINB39366PA
Medicare PIN142981PA
Medicaid0006554130001PA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc B Osias Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Marc Osias reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alliance Physician Services, PC
5.4 mi
Urology
211 S GULPH RD
King Of Prussia, PA 19406
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: The Centers For Advanced Urology LLP
  • 146 clinicians in this Medicare group
NPI 1811351083 (610) 382-5900

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19403 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 3

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

DENNIS R BRAUN MD
Urology
325 WEST GERMANTOWN PIKE, SUITE 100
EAST NORRITON, PA 19403
Montgomery County (610) 272-1881
BRIAN D ROSENTHAL DO
Urology
325 WEST GERMANTOWN PIKE, SUITE 100
EAST NORRISTOWN, PA 19403
Montgomery County (610) 272-1881
MR. TIMOTHY J SPERO PHYSICAN ASSISTANT
Physician Assistant
325 WEST GERMANTOWN PIKE, SUITE 100
EAST NORRISTOWN, PA 19403
Montgomery County (610) 272-1881

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 Osias's NPI number?

The NPI number for Marc Osias is 1821081753. It was assigned to this individual provider in the NPPES registry on August 25, 2005.

Where is Marc Osias located?

Marc Osias practices at 325 West Germantown Pike Suite 100, East Norriton, PA 19403. The listed phone number is (610) 272-1881.

What is Marc Osias's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Marc Osias enrolled in Medicare?

Yes. Marc Osias is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marc Osias's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Osias reassigns Medicare benefits to Alliance Physician Services, PC (King Of Prussia, PA). The 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 Osias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marc Osias was last updated on May 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.