NPPES file of Aug 9, 2026

Gabriel Tsing-Tzong Chong, M.D.

Glaucoma Specialist (Ophthalmology) Physician · Raleigh, NC

Gabriel Tsing-Tzong Chong, M.D. is a glaucoma specialist (ophthalmology) physician with a practice address in Raleigh, North Carolina, and NPI 1578695862, issued on Mar 12, 2007. Check the license (North Carolina 201100497, as entered in NPPES) on the North Carolina Medical Board; 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
1578695862
Name
Gabriel Tsing-Tzong Chong
Credential
M.D.
Primary taxonomy
Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
License number
201100497 NC
Self-reported in NPPES; status is on the state search
Practice location
2709 Blue Ridge RD, Raleigh, NC 27607
Phone
(614) 370-7837
Enumerated
Mar 12, 2007
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20111003000399); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2006
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 2709 Blue Ridge RD

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

  1. Wilbur Bardon, P.A.Medical Physician Assistant1063565539
  2. Selena Beal, PAPhysician Assistant1801624788
  3. Denis Becker, MDEndocrinology, Diabetes & Metabolism Physician1750359113
  4. Corey Berlin, MDEndocrinology, Diabetes & Metabolism Physician1154399418
  5. Kevin Bowman, M.D.Ophthalmology Physician1225299829
  6. Ashley Brasfield, M.S., CCC-SLPSpeech-Language Pathologist1013348416

Verify Gabriel Tsing-Tzong Chong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 201100497
    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 North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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72% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024

5,267 Medicare Part D claims for 944 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Gabriel Chong5,267
  2. Specialty average3,060

Most prescribed

  1. Latanoprost948 claims
  2. Dorzolamide-Timolol574 claims
  3. Brimonidine Tartrate552 claims
  4. Timolol Maleate505 claims
  5. Vyzulta489 claims
  6. Dorzolamide Hcl377 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): 83.1 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%49.5
  3. Promoting interoperabilityout of 100 · 25%93.0
  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: $492.11

19 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 391 providers of this specialty with any payment received $5,284.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gabriel Chong$492.11
  2. Specialty average$5,284.60

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. Raleigh Ophthalmology PCRaleigh, NC

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

Gabriel Tsing-Tzong Chong among 10 glaucoma specialist (ophthalmology) physician records in North Carolina

Gabriel Tsing-Tzong Chong, M.D. is one of 10 glaucoma specialist (ophthalmology) physician records with a practice address in North Carolina. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 10% of them.

  • NPI issued2007 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Record last updated2025 · 20% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Glaucoma Specialist (Ophthalmology) Physician providers in North Carolina

There are 10 glaucoma specialist (ophthalmology) physician records in North Carolina.

The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Logan Smith, MDRaleigh, NC 276071235799024
  2. Connor Dugan, MDRaleigh, NC 276091710507686
  3. Anita Vin-Parikh, MDRaleigh, NC 276091609005461
  4. Sanjay Asrani, MDCary, NC 275181003960121
  5. Jeffrey Sims, MDDurham, NC 277051871173096
  6. Atalie ThompsonDurham, NC 277101366852303
  7. Peter Mitrev, M.D.Elizabeth City, NC 279091902859374
  8. Ana Roldan Vasquez, MDWinston Salem, NC 271571588241665

Common questions

What is Gabriel Tsing-Tzong Chong, M.D.'s NPI number?

Gabriel Tsing-Tzong Chong, M.D.'s National Provider Identifier (NPI) is 1578695862, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gabriel Tsing-Tzong Chong, M.D. located?

The NPPES record lists a practice address at 2709 Blue Ridge RD, Raleigh, NC, 27607. Phone: (614) 370-7837. Providers update this record themselves, so call before visiting.

How can I verify Gabriel Tsing-Tzong Chong, M.D.'s license?

NPPES lists North Carolina license number 201100497, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gabriel Tsing-Tzong Chong, M.D. prescribe under Medicare Part D?

In 2024, Gabriel Tsing-Tzong Chong, M.D. had 5,267 Medicare Part D claims for 944 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.

What is Gabriel Tsing-Tzong Chong, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.1 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.