Doctor profile · Federal record
Dr. Patty Chi, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy Physician · Internal Medicine Physician · Mountain View, CA
- NPI 1407898323
- Accepts Medicare
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7888 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 21, 2022
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A82242
- Medicaid
- CA #00A822420
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407898323. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,492
Distinct HCPCS
7
Medicare allowed
$34,576
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 882 | 21 | $5 | |
95117 |
Professional service for multiple injections of allergen | 368 | 77 | $16 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 90 | 57 | $153 | |
95115 |
Professional service for single injection of allergen | 82 | 19 | $14 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $198 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 25 | $109 | |
95012 |
Test to measure the level of nitric oxide gas | 13 | 11 | $26 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 209. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$159
Transactions
7
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 7 | $158.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
277
Patients
63
Total drug cost
$108,697
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 40 | 21 | $1,829 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 34 | 15 | $877 |
| Fluticasone Propionate | Generic | 33 | 16 | $829 |
| Ipratropium Bromide | Generic | 29 | 0 | $948 |
| Montelukast Sodium | Generic | 26 | 11 | $478 |
| Advair Hfa (Fluticasone Propion/Salmeterol) | Brand | 21 | 0 | $14,658 |
| Prednisone | Generic | 19 | 0 | $65 |
| Dupixent Syringe (Dupilumab) | Brand | 15 | 0 | $54,272 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 13 | 0 | $5,388 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 13 | 0 | $24,365 |
Frequently asked questions
What is Dr. Patty Chi's medical specialty?
Dr. Patty Chi practices Allergy & Immunology Physician in Mountain View, CA.
Where does Dr. Patty Chi practice?
Dr. Patty Chi practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347888.
What is Dr. Patty Chi's NPI?
Dr. Patty Chi's National Provider Identifier (NPI) is 1407898323, issued by NPPES.
Does Dr. Patty Chi accept Medicare assignment?
Yes. Dr. Patty Chi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patty Chi commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.