Doctor profile · Federal record
Dr. Misty Mahaffey, NP
Nurse Practitioner · Acute Care Nurse Practitioner · Adult Health Nurse Practitioner · Stanford, CA
- NPI 1831569391
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 11 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
- September 2015 — 11 yrs on file
- Profile last updated
- December 30, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- California #95003142
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831569391. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
203
Distinct HCPCS
4
Medicare allowed
$23,630
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 135 | 61 | $141 | |
38222 |
Biopsy and aspiration of bone marrow sample for diagnosis | 34 | 34 | $74 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 12 | $96 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 14 | 14 | $9 |
In context: peer comparison
Among 150 peers in Stanford Nurse Practitioner, average services per provider: 60. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$1,059
Transactions
38
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 11 | $378.77 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $108.93 | |
| Merck Sharp & Dohme LLC | 3 | $83.35 | |
| Rigel Pharmaceuticals, INC. | 4 | $78.46 | |
| Janssen Biotech, INC. | 2 | $59.63 | |
| Kite Pharma, INC. | 2 | $45.50 | |
| PharmaEssentia USA Corporation | 2 | $43.16 | |
| Incyte Corporation | 2 | $41.90 | |
| Daiichi Sankyo INC. | 2 | $37.95 | |
| Legend Biotech USA INC. | 1 | $34.81 | |
| Lilly USA, LLC | 1 | $30.19 | |
| Celgene Corporation | 1 | $29.24 | |
| Servier Pharmaceuticals LLC | 1 | $23.71 | |
| Adaptive Biotechnologies Corporation | 1 | $23.13 | |
| Pfizer INC. | 1 | $22.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,104
Patients
319
Total drug cost
$10,063,716
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 157 | 59 | $4,616 |
| Revlimid (Lenalidomide) | Brand | 131 | 34 | $2,375,825 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 111 | 20 | $1,958,382 |
| Hydroxyurea | Generic | 97 | 43 | $3,545 |
| Eliquis (Apixaban) | Brand | 96 | 28 | $90,751 |
| Pomalyst (Pomalidomide) | Brand | 70 | 20 | $1,525,704 |
| Imbruvica (Ibrutinib) | Brand | 69 | 11 | $1,093,531 |
| Venclexta (Venetoclax) | Brand | 53 | 15 | $374,138 |
| Dexamethasone | Generic | 52 | 24 | $732 |
| Imatinib Mesylate | Generic | 48 | 0 | $106,526 |
Hospital affiliations
Frequently asked questions
What is Dr. Misty Mahaffey's medical specialty?
Dr. Misty Mahaffey practices Nurse Practitioner in Stanford, CA.
Where does Dr. Misty Mahaffey practice?
Dr. Misty Mahaffey practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Misty Mahaffey's NPI?
Dr. Misty Mahaffey's National Provider Identifier (NPI) is 1831569391, issued by NPPES.
Does Dr. Misty Mahaffey accept Medicare assignment?
Yes. Dr. Misty Mahaffey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Misty Mahaffey commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS 38222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.