Quynh Diem Chau, PA-C
Medical Physician Assistant · Norman, OK
Quynh Diem Chau, PA-C is a medical physician assistant with a practice address in Norman, Oklahoma, and NPI 1871982546, issued on Jan 17, 2015. Check the license (Oklahoma 2489, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Quynh Diem Chau
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 2489 OK
Self-reported in NPPES; status is on the state search - Practice location
- 2824 Classen Blvd, Norman, OK 73071
- Phone
- (405) 701-3563
- Enumerated
- Jan 17, 2015
- Record last updated
- Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (405) 310-5194
- Medicare enrollment
- Enrolled (PECOS I20150224001911); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 513 in Oklahoma → Look up another NPI →
Also registered at 2824 Classen Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Rau, PA-CMedical Physician Assistant1518684216
Verify Quynh Diem Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 2489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average medical physician assistant in 2024
1,721 Medicare Part D claims for 194 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa98 claims
- Levothyroxine Sodium86 claims
- Atorvastatin Calcium80 claims
- Gabapentin66 claims
- Omeprazole53 claims
- Lisinopril51 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: $545.82
38 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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 one group practice
- Classen Family Practice LLCMoore, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Quynh Diem Chau among 513 medical physician assistant records in Oklahoma
Quynh Diem Chau, PA-C is one of 513 medical physician assistant records with a practice address in Oklahoma. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2014 · median 2010 among the 284 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Oklahoma
There are 513 medical physician assistant records in Oklahoma.
All 513 in Oklahoma → Every provider in Norman → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Laura Horstkoetter, PANorman, OK 730711033174032
- Clint Howell, PANorman, OK 730711174878433
- Carrol PerryNorman, OK 730711689758021
- Daniel Rau, PA-CNorman, OK 730711518684216
- Kevin Schubach, PA-CNorman, OK 730711508471905
- Taylor Tamage, PANorman, OK 730711699437749
- John Warren, P.A.-CNorman, OK 730711902985518
- Emma Welch, MBA, MPAS, PA-CNorman, OK 730711811591688
Common questions
What is Quynh Diem Chau, PA-C's NPI number?
Quynh Diem Chau, PA-C's National Provider Identifier (NPI) is 1871982546, issued on Jan 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Quynh Diem Chau, PA-C located?
The NPPES record lists a practice address at 2824 Classen Blvd, Norman, OK, 73071. Phone: (405) 701-3563. Providers update this record themselves, so call before visiting.
How can I verify Quynh Diem Chau, PA-C's license?
NPPES lists Oklahoma license number 2489, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Quynh Diem Chau, PA-C prescribe under Medicare Part D?
In 2024, Quynh Diem Chau, PA-C had 1,721 Medicare Part D claims for 194 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.