Doctor profile · Federal record
Dr. Sarah Schaaf, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · San Francisco, CA
- NPI 1629303706
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
55 2Nd St
San Francisco, CA 94105
(415) 600-6990
fax (415) 369-1243 - Additional location
-
3555 Cesar Chavez
San Francisco, CA 941104403
(415) 641-6625
fax (415) 641-6688 - Additional location
-
505 Parnassus Ave, Room M-24
San Francisco, CA 941430203
(415) 353-1529 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- October 2009 — 17 yrs on file
- Profile last updated
- July 22, 2019
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #1016603
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629303706. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
435
Distinct HCPCS
5
Medicare allowed
$60,865
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 163 | 153 | $129 | |
99285 |
Emergency department visit with high level of medical decision making | 136 | 133 | $187 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 56 | 56 | $9 | |
99291 |
Critical care, first 30-74 minutes | 50 | 48 | $232 | |
99283 |
Emergency department visit with low level of medical decision making | 30 | 26 | $77 |
In context: peer comparison
Among 87 peers in this city , average services per provider: 91. This provider delivers 4.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
25
Patients
25
Total drug cost
$203
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 14 | 14 | $164 |
| Ibuprofen | Generic | 11 | 11 | $38 |
Frequently asked questions
What is Dr. Sarah Schaaf's medical specialty?
Dr. Sarah Schaaf practices Emergency Medicine Physician in San Francisco, CA.
Where does Dr. Sarah Schaaf practice?
Dr. Sarah Schaaf practices at 55 2Nd St, San Francisco, CA 94105. Office phone: 4156006990.
What is Dr. Sarah Schaaf's NPI?
Dr. Sarah Schaaf's National Provider Identifier (NPI) is 1629303706, issued by NPPES.
Does Dr. Sarah Schaaf accept Medicare assignment?
Yes. Dr. Sarah Schaaf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Schaaf commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.