Doctor profile · Federal record
Dr. Peir Gen Chiu, GNP
General Practice Registered Nurse (CMS: Nurse Practitioner) · San Francisco, CA
- NPI 1326112350
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1520 Stockton St
San Francisco, CA 94133
(415) 391-9686
fax (415) 433-4726
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 163WG0000X — NUCC code
- State license (1)
- California #I2088
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326112350. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,602
Distinct HCPCS
10
Medicare allowed
$27,920
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 364 | 263 | $6 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 269 | 245 | $3 | |
80053 |
Blood test, comprehensive group of blood chemicals | 235 | 225 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 233 | 218 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 218 | 206 | $13 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 217 | 202 | $5 | |
82043 |
Urine microalbumin (protein) level | 216 | 201 | $6 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 210 | 199 | $16 | |
86480 |
Tuberculosis test, gamma interferon | 95 | 94 | $56 | |
83036 |
Hemoglobin a1c level | 93 | 79 | $10 |
In context: peer comparison
Among 1 peers in San Francisco General Practice Registered Nurse, average services per provider: 108. This provider delivers 24× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,618
Patients
1,248
Total drug cost
$331,877
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 942 | 252 | $26,925 |
| Amlodipine Besylate | Generic | 608 | 165 | $12,749 |
| Losartan Potassium | Generic | 573 | 158 | $16,604 |
| Metformin Hcl | Generic | 415 | 105 | $9,099 |
| Alendronate Sodium | Generic | 375 | 113 | $8,329 |
| Metoprolol Succinate | Generic | 282 | 66 | $9,214 |
| Lisinopril | Generic | 210 | 53 | $4,987 |
| Hydrochlorothiazide | Generic | 177 | 51 | $1,562 |
| Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) | Brand | 175 | 49 | $6,908 |
| Levothyroxine Sodium | Generic | 164 | 35 | $3,621 |
Hospital affiliations
Frequently asked questions
What is Dr. Peir Gen Chiu's medical specialty?
Dr. Peir Gen Chiu practices General Practice Registered Nurse in San Francisco, CA.
Where does Dr. Peir Gen Chiu practice?
Dr. Peir Gen Chiu practices at 1520 Stockton St, San Francisco, CA 94133. Office phone: 4153919686.
What is Dr. Peir Gen Chiu's NPI?
Dr. Peir Gen Chiu's National Provider Identifier (NPI) is 1326112350, issued by NPPES.
Does Dr. Peir Gen Chiu accept Medicare assignment?
Yes. Dr. Peir Gen Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peir Gen Chiu commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Manual urinalysis test with examination using microscope, automated (HCPCS 81001); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.