Ang Chen, M.D.
Nephrology Physician · Flagstaff, AZ
Ang Chen, M.D. is a nephrology physician with a practice address in Flagstaff, Arizona, and NPI 1497852404, issued on Sep 20, 2006. Check the license (Arizona 33057, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ang Chen
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 33057 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2201 N Vickey St Ste 110, Flagstaff, AZ 86004
- Phone
- (928) 213-9460
- Enumerated
- Sep 20, 2006
- Record last updated
- Oct 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (928) 213-9465
- Medicaid ID
- 912635 AZ
- Medicare enrollment
- Enrolled (PECOS I20070731000232); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 278 in Arizona → Look up another NPI →
Also registered at 2201 N Vickey St Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Gembala, M.D., M.P.H.Nephrology Physician1114950185
- Jessie Gould, ACNPC-AGAcute Care Nurse Practitioner1710679931
- Harnath Singh, M.D.Nephrology Physician1538133236
Verify Ang Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 33057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average nephrology physician in 2024
1,071 Medicare Part D claims for 170 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Sevelamer Carbonate127 claims
- Allopurinol109 claims
- Amlodipine Besylate87 claims
- Lisinopril82 claims
- Losartan Potassium66 claims
- Velphoro63 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: $99.04
4 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Akdhc LLCFlagstaff, AZ
- Winslow Indian Health Care Center IncWinslow, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ang Chen among 278 nephrology physician records in Arizona
Ang Chen, M.D. is one of 278 nephrology physician records with a practice address in Arizona. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 51% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1990 · median 2001 among the 229 with a school on file
- Record last updated2019 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Arizona
There are 278 nephrology physician records in Arizona.
All 278 in Arizona → Every provider in Flagstaff → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Matthew Gembala, M.D., M.P.H.Flagstaff, AZ 860041114950185
- Harnath Singh, M.D.Flagstaff, AZ 860041538133236
- Wei Xiang WongFlagstaff, AZ 860011639551526
- Robert Seaton, M.D.Show Low, AZ 859011942207246
- Daniel Castro Pereira, M.D.Tucson, AZ 857451912212390
- Barry Krieble, M.D.Tucson, AZ 857451740287218
- Anil Nabha, MDTucson, AZ 857451558547562
- Jessica Nino Mojica, MDTucson, AZ 857451922584796
Common questions
What is Ang Chen, M.D.'s NPI number?
Ang Chen, M.D.'s National Provider Identifier (NPI) is 1497852404, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ang Chen, M.D. located?
The NPPES record lists a practice address at 2201 N Vickey St Ste 110, Flagstaff, AZ, 86004. Phone: (928) 213-9460. Providers update this record themselves, so call before visiting.
How can I verify Ang Chen, M.D.'s license?
NPPES lists Arizona license number 33057, 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 Ang Chen, M.D. prescribe under Medicare Part D?
In 2024, Ang Chen, M.D. had 1,071 Medicare Part D claims for 170 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.