Doctor profile · Federal record
Dr. Samantha Callan, PA-C
Physician Assistant · Medical Physician Assistant · Stanford, CA
- NPI 1922535350
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- May 2017 — 9 yrs on file
- Profile last updated
- December 23, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #54686
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922535350. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
207
Distinct HCPCS
2
Medicare allowed
$26,101
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 138 | 73 | $141 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 58 | $96 |
In context: peer comparison
Among 89 peers in this city , average services per provider: 64. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
286
Patients
98
Total drug cost
$1,004,383
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 56 | 19 | $1,193 |
| Entecavir | Generic | 39 | 12 | $10,313 |
| Prednisone | Generic | 37 | 18 | $156 |
| Ondansetron Hcl | Generic | 32 | 19 | $393 |
| Prochlorperazine Maleate | Generic | 31 | 19 | $292 |
| Imbruvica (Ibrutinib) | Brand | 26 | 0 | $718,568 |
| Famotidine | Generic | 20 | 11 | $223 |
| Brukinsa (Zanubrutinib) | Brand | 17 | 0 | $261,208 |
| Allopurinol | Generic | 16 | 0 | $83 |
| Atovaquone | Generic | 12 | 0 | $11,955 |
Hospital affiliations
Frequently asked questions
What is Dr. Samantha Callan's medical specialty?
Dr. Samantha Callan practices Physician Assistant in Stanford, CA.
Where does Dr. Samantha Callan practice?
Dr. Samantha Callan practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Samantha Callan's NPI?
Dr. Samantha Callan's National Provider Identifier (NPI) is 1922535350, issued by NPPES.
Does Dr. Samantha Callan accept Medicare assignment?
Yes. Dr. Samantha Callan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samantha Callan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.