Doctor profile · Federal record
Dr. Simon Humphries, MD
Internal Medicine Physician (CMS: Internal Medicine) · Los Altos, CA
- NPI 1023149440
- MIPS 12.4 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
811 Altos Oaks Dr, Suite 2
Los Altos, CA 940245426
(650) 917-6920
fax (650) 917-6925
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 30, 2010
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G067109
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023149440. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,206
Distinct HCPCS
10
Medicare allowed
$269,516
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 753 | 235 | $148 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 224 | 66 | $86 | |
96372 |
Injection of drug or substance under skin or into muscle | 152 | 27 | $17 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 144 | 62 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 97 | 88 | $106 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 97 | 78 | $201 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 93 | 22 | $67 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 79 | 79 | $152 | |
99239 |
Hospital discharge day management, more than 30 minutes | 76 | 64 | $126 | |
99315 |
Nursing facility discharge day management, 30 minutes or less | 74 | 66 | $91 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 59. This provider delivers 37× the peer median.Open Payments
Industry payments received
All-time total
$252
Transactions
12
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 8 | $162.59 | |
| Lundbeck LLC | 2 | $48.18 | |
| Novo Nordisk Inc | 1 | $23.88 | |
| Lilly USA, LLC | 1 | $17.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,541
Patients
317
Total drug cost
$57,027
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 251 | 46 | $3,043 |
| Trazodone Hcl | Generic | 163 | 29 | $2,219 |
| Tamsulosin Hcl | Generic | 131 | 20 | $1,995 |
| Amlodipine Besylate | Generic | 115 | 22 | $843 |
| Divalproex Sodium | Generic | 97 | 16 | $2,693 |
| Eliquis (Apixaban) | Brand | 96 | 12 | $37,861 |
| Levothyroxine Sodium | Generic | 95 | 21 | $1,552 |
| Gabapentin | Generic | 93 | 16 | $1,610 |
| Pantoprazole Sodium | Generic | 89 | 17 | $1,032 |
| Furosemide | Generic | 79 | 19 | $463 |
Frequently asked questions
What is Dr. Simon Humphries's medical specialty?
Dr. Simon Humphries practices Internal Medicine Physician in Los Altos, CA.
Where does Dr. Simon Humphries practice?
Dr. Simon Humphries practices at 811 Altos Oaks Dr, Los Altos, CA 940245426. Office phone: 6509176920.
What is Dr. Simon Humphries's NPI?
Dr. Simon Humphries's National Provider Identifier (NPI) is 1023149440, issued by NPPES.
Does Dr. Simon Humphries accept Medicare assignment?
Dr. Simon Humphries does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Simon Humphries commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.