Bach-Ngan Phan Chau
Internal Medicine Physician · Tucson, AZ
Bach-Ngan Phan Chau is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1326668021, issued on Apr 22, 2020. Check the license (Arizona R77953, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bach-Ngan Phan Chau
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R77953 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3601 S 6TH Ave, Tucson, AZ 85723
- Phone
- (520) 792-1450
- Enumerated
- Apr 22, 2020
- Record last updated
- Jul 5, 2023
- Fax
- (520) 629-4631
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 3601 S 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Acree, LMSWSocial Worker1215651336
- Emily AdamsClinical Social Worker1932694429
- Marion Adams, N.P.Gerontology Nurse Practitioner1174633523
- Sulaiman AdejumobiSocial Worker1619743481
- Rebecca Adiutori Magnotto, RNCPsychiatric/Mental Health Registered Nurse1033221825
- Corinne Adkins, RRTRegistered Respiratory Therapist1427374602
Verify Bach-Ngan Phan Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R77953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bach-Ngan Phan Chau among 2,853 internal medicine physician records in Arizona
Bach-Ngan Phan Chau is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Bornstein, D.O.Tucson, AZ 857231972588937
- Ethel Condon, MDTucson, AZ 857231558321067
- Alan Frolich, M.D.Tucson, AZ 857231154393007
- Mary Gilles, M.D.Tucson, AZ 857231710080742
- Michael Habib, MD.CMTucson, AZ 857231154387546
- Richard Hoffman, MDTucson, AZ 857231316056385
- Fabia Kwiecinski, M.D.Tucson, AZ 857231871506642
- Deborah Lindsly, MDTucson, AZ 857231487608121
Common questions
What is Bach-Ngan Phan Chau's NPI number?
Bach-Ngan Phan Chau's National Provider Identifier (NPI) is 1326668021, issued on Apr 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Bach-Ngan Phan Chau located?
The NPPES record lists a practice address at 3601 S 6TH Ave, Tucson, AZ, 85723. Phone: (520) 792-1450. Providers update this record themselves, so call before visiting.
How can I verify Bach-Ngan Phan Chau's license?
NPPES lists Arizona license number R77953, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bach-Ngan Phan Chau prescribe under Medicare Part D?
In 2024, Bach-Ngan Phan Chau had 18 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.