NPPES file of Aug 9, 2026

Elaine Zhou, MD

Ophthalmology Physician · Chester, PA

Elaine Zhou, MD is an ophthalmology physician with a practice address in Chester, Pennsylvania, and NPI 1407388895, issued on Apr 3, 2017. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407388895
Name
Elaine Zhou
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A180571 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Blvd, Chester, PA 19013
Phone
(610) 874-6114
Enumerated
Apr 3, 2017
Record last updated
Aug 3, 2022
Medicare enrollment
Enrolled (PECOS I20221027000729); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Medical Center Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dina AbdurahmanStudent in an Organized Health Care Education/Training Program1093243396
  2. Daniel AbrahamStudent in an Organized Health Care Education/Training Program1780371237
  3. Chaitanya Adiga, DPMStudent in an Organized Health Care Education/Training Program1881443158
  4. David Adler, PA-CSurgical Physician Assistant1669613782
  5. Nissar Ahmed, DOHospitalist Physician1881181139
  6. Syed AliEmergency Medicine Physician1306334727

Verify Elaine Zhou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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11% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,358 Medicare Part D claims for 310 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Elaine Zhou1,358
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate246 claims
  2. Ofloxacin197 claims
  3. Ketorolac Tromethamine174 claims
  4. Latanoprost164 claims
  5. Cyclosporine75 claims
  6. Brimonidine Tartrate66 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%86.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,010.20

39 payments; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, 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.

  1. Elaine Zhou$1,010.20
  2. Specialty average$4,535.02

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

  1. Monterey Bay Eye Associates Medical Group, A Medical CorporationSalinas, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elaine Zhou among 1,088 ophthalmology physician records in Pennsylvania

Elaine Zhou, MD 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 2017, is newer than 86% of them.

  • NPI issued2017 · 86% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2017 · median 2000 among the 734 with a school on file
  • Record last updated2022 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Sheldon Morris, M.D.Chester, PA 190131821080532
  2. Christopher Williams, M.D.Chester, PA 190131225001845
  3. John Witherell, M.D.Chester, PA 190131811984206
  4. Lawrence Schaffzin, M.D.Cheltenham, PA 190121265538037
  5. Kenneth Braun, MDBryn Mawr, PA 190101740526417
  6. James Carty, M.D.Bryn Mawr, PA 190101134114572
  7. Michael Dellavecchia, MD, PHD, FACSBryn Mawr, PA 190101437172277
  8. Peter Gross, M.D.Bryn Mawr, PA 190101487718201

Common questions

What is Elaine Zhou, MD's NPI number?

Elaine Zhou, MD's National Provider Identifier (NPI) is 1407388895, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Elaine Zhou, MD located?

The NPPES record lists a practice address at 1 Medical Center Blvd, Chester, PA, 19013. Phone: (610) 874-6114. Providers update this record themselves, so call before visiting.

How can I verify Elaine Zhou, MD's license?

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 Elaine Zhou, MD prescribe under Medicare Part D?

In 2024, Elaine Zhou, MD had 1,358 Medicare Part D claims for 310 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Elaine Zhou, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.