Doctor profile · Federal record
Dr. Valentina Chadwick, NP
Nurse Practitioner · Adult Health Nurse Practitioner · Acute Care Nurse Practitioner · Stanford, CA
- NPI 1629522784
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
900 Blake Wilbur Dr, 3Rd Floor
Palo Alto, CA 943042201
(650) 498-6000
fax (650) 724-1445
Credentials & registration
- NPI registered
- August 2016 — 10 yrs on file
- Profile last updated
- December 24, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- California #95004635
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629522784. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
289
Distinct HCPCS
4
Medicare allowed
$33,875
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 155 | 78 | $141 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 52 | 34 | $31 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 26 | $96 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $177 |
In context: peer comparison
Among 150 peers in Stanford Nurse Practitioner, average services per provider: 60. This provider delivers 4.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
476
Patients
95
Total drug cost
$43,604
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 128 | 32 | $2,084 |
| Gabapentin | Generic | 88 | 23 | $1,550 |
| Oxycontin (Oxycodone Hcl) | Brand | 49 | 0 | $15,686 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 47 | 11 | $1,340 |
| Mirtazapine | Generic | 32 | 0 | $1,604 |
| Fentanyl | Generic | 29 | 0 | $2,570 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 22 | 14 | $752 |
| Morphine Sulfate | Generic | 19 | 0 | $464 |
| Naloxone Hcl | Generic | 15 | 15 | $1,261 |
| Hydroxyzine Hcl | Generic | 13 | 0 | $249 |
Hospital affiliations
Frequently asked questions
What is Dr. Valentina Chadwick's medical specialty?
Dr. Valentina Chadwick practices Nurse Practitioner in Stanford, CA.
Where does Dr. Valentina Chadwick practice?
Dr. Valentina Chadwick practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Valentina Chadwick's NPI?
Dr. Valentina Chadwick's National Provider Identifier (NPI) is 1629522784, issued by NPPES.
Does Dr. Valentina Chadwick accept Medicare assignment?
Yes. Dr. Valentina Chadwick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Valentina Chadwick commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.