Joseph I. Markoff, MD PHD
Ophthalmology Physician · Philadelphia, PA
Joseph I. Markoff, MD PHD is an ophthalmology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1043203532, issued on Aug 30, 2005. Check the license (Pennsylvania MD016824E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joseph I. Markoff
- Credential
- MD PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD016824E PA
25MA03050300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1703 S Broad St, Philadelphia, PA 19148
- Phone
- (215) 339-8100
- Enumerated
- Aug 30, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (215) 421-4682
- Medicaid ID
- 0008666880003 PA
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 1703 S Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Blecher, MDOphthalmology Physician1356343248
- Rose Covalesky, PA-CMedical Physician Assistant1609969625
- Marc Garden, MDOphthalmology Physician1447252333
- Pasquale Procacci, MDCardiovascular Disease Physician1073587580
- Mark Victor, MDCardiovascular Disease Physician1770557050
Verify Joseph I. Markoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD016824ECheck 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
11 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
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.
Joseph I. Markoff among 1,088 ophthalmology physician records in Pennsylvania
Joseph I. Markoff, MD PHD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2026 · 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
- Mark Blecher, MDPhiladelphia, PA 191481356343248
- Marc Garden, MDPhiladelphia, PA 191481447252333
- Kenneth Heist, D.O.Philadelphia, PA 191481730269481
- Mary Defrancisco, M.D.Philadelphia, PA 191491881681435
- Naureen Mirza-George, MDPhiladelphia, PA 191471508922592
- John Siliquini, M.D.Philadelphia, PA 191491942294723
- Dennis Slochower, M.D.Philadelphia, PA 191491932192259
- Vincent Lam, M.D.Philadelphia, PA 191461477713576
Common questions
What is Joseph I. Markoff, MD PHD's NPI number?
Joseph I. Markoff, MD PHD's National Provider Identifier (NPI) is 1043203532, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph I. Markoff, MD PHD located?
The NPPES record lists a practice address at 1703 S Broad St, Philadelphia, PA, 19148. Phone: (215) 339-8100. Providers update this record themselves, so call before visiting.
How can I verify Joseph I. Markoff, MD PHD's license?
NPPES lists Pennsylvania license number MD016824E, 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 Joseph I. Markoff, MD PHD prescribe under Medicare Part D?
In 2024, Joseph I. Markoff, MD PHD had 11 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.