DR. WILLIAM ROCAMORA KATOWITZ M.D.
NPI 1851484745
Ophthalmology in Philadelphia, PA
About Dr. William Rocamora Katowitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM ROCAMORA KATOWITZ M.D. (NPI 1851484745) is an individual ophthalmology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD426223) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. William Rocamora Katowitz M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show William Katowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 178 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 William Katowitz's NPI number?
The NPI number for William Katowitz is 1851484745. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is William Katowitz located?
William Katowitz practices at 34th & Civic Center Blvd Children's Hospital Of Philadelphia, Philadelphia, PA 19104. The listed phone number is (215) 590-2791.
What is William Katowitz's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is William Katowitz enrolled in Medicare?
Yes. William Katowitz 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 organization bills Medicare for William Katowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Katowitz reassigns Medicare benefits to Children's Surgical Associates Ltd (Philadelphia, 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 William Katowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Katowitz accept?
Health plans from Oscar Health list William Katowitz 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 William Katowitz was last updated on November 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. William Rocamora Katowitz, M.D. · NPI 1851484745
Ophthalmology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1851484745 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** MD426223 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 34TH & CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA, Philadelphia, PA 19104-4306
- **Phone:** (215) 590-2791 · **Fax:** (215) 590-4325
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Surgical Associates Ltd (NPI 1144399825, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2001
## Record status
- **NPPES last updated:** November 14, 2012
- **Other identifiers:** Medicare PIN 133228J5K (PA); Medicaid 102157109-0001 (PA); Other MD426223 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1851484745) · Data from the CMS NPPES public registry.