Duo Xu, M.D.
Ophthalmology Physician · Philadelphia, PA
Duo Xu, M.D. is an ophthalmology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1992117014, issued on May 22, 2014. Check the license (Pennsylvania MD463901, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Duo Xu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD463901 PA
Self-reported in NPPES; status is on the state search - Practice location
- 840 Walnut St Ste 1020, Philadelphia, PA 19107
- Phone
- (800) 331-6634
- Enumerated
- May 22, 2014
- Record last updated
- Dec 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (215) 928-3484
- Medicare enrollment
- Enrolled (PECOS I20200609001122); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2014
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 840 Walnut St Ste 1020
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nikhil Bommakanti, MDOphthalmology Physician1740841568
- Durga Borkar, M.D.Ophthalmology Physician1063851160
- Theodore Bowe, MDOphthalmology Physician1740818558
- Jordan Deaner, MDOphthalmology Physician1407234123
Verify Duo Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD463901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average ophthalmology physician in 2024
681 Medicare Part D claims for 237 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Prednisolone Acetate232 claims
- Dorzolamide-Timolol69 claims
- Difluprednate65 claims
- Ketorolac Tromethamine63 claims
- Brimonidine Tartrate40 claims
- Latanoprost36 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $11,615.26
6 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 2 group practices
- Associated Retinal Surgeons, PACherry Hill, NJ
- Retinovitreous Associates LtdWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Duo Xu among 1,088 ophthalmology physician records in Pennsylvania
Duo Xu, 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 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2014 · median 2000 among the 734 with a school on file
- Record last updated2020 · 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
- Yelena Doych, MDPhiladelphia, PA 191071669419545
- Alan Forman, M.D.Philadelphia, PA 191071174524771
- Janice Gault, MDPhiladelphia, PA 191071780673137
- Kammi GuntonPhiladelphia, PA 191071750383600
- Julia Haller, M.D.Philadelphia, PA 191071871542514
- Daniel Kane, MDPhiladelphia, PA 191071700847282
- Lawrence Kenney, M.D.Philadelphia, PA 191071972582633
- Peter Laibson, MDPhiladelphia, PA 191071194723841
Common questions
What is Duo Xu, M.D.'s NPI number?
Duo Xu, M.D.'s National Provider Identifier (NPI) is 1992117014, issued on May 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Duo Xu, M.D. located?
The NPPES record lists a practice address at 840 Walnut St Ste 1020, Philadelphia, PA, 19107. Phone: (800) 331-6634. Providers update this record themselves, so call before visiting.
How can I verify Duo Xu, M.D.'s license?
NPPES lists Pennsylvania license number MD463901, 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 Duo Xu, M.D. prescribe under Medicare Part D?
In 2024, Duo Xu, M.D. had 681 Medicare Part D claims for 237 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Duo Xu, M.D.'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.