Doctor profile · Federal record
Dr. Irene Shih, MD
Internal Medicine Physician (CMS: Internal Medicine) · Palo Alto, CA
- NPI 1982773966
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
211 Quarry RD, Ste 203 Mc5993
Palo Alto, CA 943041416
(650) 325-6778
fax (650) 325-1816
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- March 27, 2013
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A54608
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982773966. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
413
Distinct HCPCS
6
Medicare allowed
$68,142
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 190 | 90 | $203 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 82 | 36 | $146 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 59 | 34 | $104 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 47 | 47 | $148 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 21 | $146 | |
99497 |
Advance care planning, first 30 minutes | 12 | 12 | $91 |
In context: peer comparison
Among 30 peers in this city , average services per provider: 82. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
547
Patients
99
Total drug cost
$6,694
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 69 | 23 | $1,042 |
| Amlodipine Besylate | Generic | 64 | 19 | $510 |
| Atorvastatin Calcium | Generic | 63 | 18 | $456 |
| Lisinopril | Generic | 56 | 17 | $330 |
| Lorazepam | Generic | 44 | 11 | $607 |
| Zolpidem Tartrate | Generic | 38 | 0 | $343 |
| Levothyroxine Sodium | Generic | 32 | 11 | $355 |
| Losartan Potassium | Generic | 27 | 0 | $370 |
| Metformin Hcl | Generic | 27 | 0 | $132 |
| Montelukast Sodium | Generic | 23 | 0 | $119 |
Hospital affiliations
Frequently asked questions
What is Dr. Irene Shih's medical specialty?
Dr. Irene Shih practices Internal Medicine Physician in Palo Alto, CA.
Where does Dr. Irene Shih practice?
Dr. Irene Shih practices at 211 Quarry RD, Palo Alto, CA 943041416. Office phone: 6503256778.
What is Dr. Irene Shih's NPI?
Dr. Irene Shih's National Provider Identifier (NPI) is 1982773966, issued by NPPES.
Does Dr. Irene Shih accept Medicare assignment?
Dr. Irene Shih does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Irene Shih commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99443); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.