NPPES file of Aug 9, 2026

Chynna Rachael Tang

Optometrist · Portland, OR

Chynna Rachael Tang is an optometrist with a practice address in Portland, Oregon, and NPI 1942786082, issued on Jul 12, 2018. Check the license (Oregon 4389AT, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1942786082
Name
Chynna Rachael Tang
Primary taxonomy
Optometrist 152W00000X
License number
4389AT OR
Self-reported in NPPES; status is on the state search
Practice location
3710 SW US Veterans Hospital RD, Portland, OR 97239
Phone
(503) 220-8262
Enumerated
Jul 12, 2018
Record last updated
Feb 4, 2022
Medicare enrollment
Enrolled (PECOS I20191217002646); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2018
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 3710 SW US Veterans Hospital RD

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

  1. Wendy AbramClinical Social Worker1386254597
  2. Kayleen AdamsLicensed Vocational Nurse1548905565
  3. Zeenat Ahmed, M.DAnesthesiology Physician1679687974
  4. Alan Albright, PA-CPhysician Assistant1669578845
  5. Lakshi Aldredge, NPAdult Health Nurse Practitioner1003920109
  6. Claude Aldridge (jr.), LMSW#Clinical Social Worker1528176328

Verify Chynna Rachael Tang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 4389AT
    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
Find the Oregon license search

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71% more Medicare Part D claims than the average optometrist in 2024

475 Medicare Part D claims for 171 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Chynna Tang475
  2. Specialty average277

Most prescribed

  1. Latanoprost178 claims
  2. Cyclosporine72 claims
  3. Timolol Maleate45 claims
  4. Erythromycin42 claims
  5. Doxycycline Monohydrate35 claims
  6. Dorzolamide-Timolol18 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.

Industry payments in 2024: $178.55

2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chynna Tang$178.55
  2. Specialty average$769.99

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. Kaiser Foundation Health Plan OF The NorthwestClackamas, OR

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

Optometrist providers in Oregon

There are 944 optometrist records in Oregon.

Other optometrist records in Oregon

  1. James Adamek, ODEagle Point, OR1568660199
  2. Brittany Adams, O.D.Albany, OR1265732978
  3. Makayla Adams, ODMyrtle Creek, OR1790461911
  4. Shelly Adams, O.D.White City, OR1396908075
  5. Samuel Adelman, O.D.Happy Valley, OR1043545122
  6. Brett Agost, O.D.Gresham, OR1326030883
  7. Dane AgostGresham, OR1376461657
  8. Andrew Aker, O.D.Portland, OR1154520906
  9. Joseph An, O.D.Gresham, OR1235271511
  10. Anna Anderson, O.D.Portland, OR1376707984

Common questions

What is Chynna Rachael Tang's NPI number?

Chynna Rachael Tang's National Provider Identifier (NPI) is 1942786082, issued on Jul 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Chynna Rachael Tang located?

The NPPES record lists a practice address at 3710 SW US Veterans Hospital RD, Portland, OR, 97239. Phone: (503) 220-8262. Providers update this record themselves, so call before visiting.

How can I verify Chynna Rachael Tang's license?

NPPES lists Oregon license number 4389AT, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Chynna Rachael Tang prescribe under Medicare Part D?

In 2024, Chynna Rachael Tang had 475 Medicare Part D claims for 171 beneficiaries; the average among optometrist prescribers was 277. 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.