Doctor profile · Federal record
Dr. Ang Chen, M.D.
Nephrology Physician (CMS: Family Practice) · Flagstaff, AZ
- NPI 1497852404
- Accepts Medicare
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2201 N Vickey St Ste 110
Flagstaff, AZ 860046126
(928) 213-9460
fax (928) 213-9465 - Mailing address
-
6622 N 91St Ave, Ste 220
Glendale, AZ 853052569
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 29, 2019
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Arizona #33057
- Medicaid
- AZ #912635
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497852404. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,249
Distinct HCPCS
10
Medicare allowed
$304,191
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90970 |
Dialysis services, per day, less than full month service (20 years or older) | 677 | 32 | $9 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 421 | 109 | $116 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 339 | 189 | $153 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 276 | 64 | $339 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 225 | 64 | $280 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 120 | 81 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 82 | 73 | $171 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 54 | 30 | $194 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 42 | 32 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $88 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 139. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$99
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 1 | $29.57 | |
| Amgen Inc. | 1 | $28.39 | |
| Alexion Pharmaceuticals, Inc. | 1 | $20.60 | |
| AstraZeneca Pharmaceuticals LP | 1 | $20.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
868
Patients
185
Total drug cost
$321,864
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sevelamer Carbonate | Generic | 136 | 28 | $27,184 |
| Velphoro (Sucroferric Oxyhydroxide) | Brand | 101 | 20 | $279,211 |
| Allopurinol | Generic | 88 | 27 | $1,141 |
| Amlodipine Besylate | Generic | 88 | 28 | $551 |
| Losartan Potassium | Generic | 73 | 21 | $764 |
| Calcium Acetate | Generic | 70 | 17 | $6,835 |
| Chlorthalidone | Generic | 68 | 15 | $990 |
| Lisinopril | Generic | 67 | 16 | $424 |
| Carvedilol | Generic | 42 | 13 | $621 |
| Nifedipine Er (Nifedipine) | Brand | 42 | 0 | $1,001 |
Hospital affiliations
Frequently asked questions
What is Dr. Ang Chen's medical specialty?
Dr. Ang Chen practices Nephrology Physician in Flagstaff, AZ.
Where does Dr. Ang Chen practice?
Dr. Ang Chen practices at 2201 N Vickey St Ste 110, Flagstaff, AZ 860046126. Office phone: 9282139460.
What is Dr. Ang Chen's NPI?
Dr. Ang Chen's National Provider Identifier (NPI) is 1497852404, issued by NPPES.
Does Dr. Ang Chen accept Medicare assignment?
Yes. Dr. Ang Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ang Chen commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.