Quick answers
- Does Monica S. Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Monica S. Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Monica S. Zhang see?
- In 2024, CMS data shows 501 Original Medicare patients and 1,642 services for Monica S. Zhang. This counts Original Medicare only and measures volume, not quality.
- What is Monica S. Zhang's NPI number?
- 1669767505. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Monica S. Zhang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 501 |
|---|---|
| Services billed to Medicare | 1,642 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)365 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)221 services
- Exam of the internal drainage system of eye (92020)115 services
- Imaging of retina (92134)111 services
- Exam of visual field with extended testing (92083)96 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes36%
- Ischemic heart disease31%
- Anxiety22%
Practice locations
Addresses where Monica S. Zhang is enrolled with Medicare (CMS data updated October 2, 2026).
- 1510 Chester Pike Baldwin Towers, Suite 701Eddystone, PA 19022 (610) 521‑2111
- 51 N 39th StPhiladelphia, PA 19104 (215) 662‑8100
Group practices
Medicare enrollment lists Monica S. Zhang as a member of these groups (CMS data updated October 2, 2026).
- University of Penn - Medical Group3,505 clinicians in the group
- Starer Rizzo Ruffini Ophthalmic Associates, P.C.2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in University of Penn - Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669767505 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians