William Rocamora Katowitz, M.D.
Ophthalmology Physician · Philadelphia, PA
William Rocamora Katowitz, M.D. is an ophthalmology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1851484745, issued on Oct 2, 2006. Check the license (Pennsylvania MD426223, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Rocamora Katowitz
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD426223 PA
Self-reported in NPPES; status is on the state search - Practice location
- 34TH & Civic Center Blvd, Philadelphia, PA 19104
- Phone
- (215) 590-2791
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (215) 590-4325
- Medicaid ID
- 102157109-0001 PA
- Medicare enrollment
- Enrolled (PECOS I20081004000004); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2001
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 34TH & Civic Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Rocamora Katowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD426223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
15 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Erythromycin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $181.79
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Children's Surgical Associates LtdPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Rocamora Katowitz among 1,088 ophthalmology physician records in Pennsylvania
William Rocamora Katowitz, M.D. is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2001 · median 2000 among the 734 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Philadelphia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Lama Al-Aswad, M.D.Philadelphia, PA 191041336174937
- William Anninger, M.D.Philadelphia, PA 191041922038231
- Allison Brucker, M.D.Phialdelphia, PA 191041790718245
- Joshua Dunaief, MDPhiladelphia, PA 191041124139746
- Kristin Hammersmith, MDPhiladelphia, PA 191041437157187
- Deborah Herrmann, MDPhiladelphia, PA 191041346357548
- Bennie Jeng, MDPhiladelphia, PA 191041104852870
- Deborah Kelly, MDPhiladelphia, PA 191041073507703
Common questions
What is William Rocamora Katowitz, M.D.'s NPI number?
William Rocamora Katowitz, M.D.'s National Provider Identifier (NPI) is 1851484745, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Rocamora Katowitz, M.D. located?
The NPPES record lists a practice address at 34TH & Civic Center Blvd, Philadelphia, PA, 19104. Phone: (215) 590-2791. Providers update this record themselves, so call before visiting.
How can I verify William Rocamora Katowitz, M.D.'s license?
NPPES lists Pennsylvania license number MD426223, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Rocamora Katowitz, M.D. prescribe under Medicare Part D?
In 2024, William Rocamora Katowitz, M.D. had 15 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.