Doctor profile · Federal record
Dr. Nicholas Larsen, M.D.
Clinical Neurophysiology Physician (CMS: Neuropsychiatry) · Neurology Physician · Stanford, CA
- NPI 1508212663
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- November 10, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084N0600X — NUCC code
- State license (1)
- California #A155442
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508212663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
507
Distinct HCPCS
8
Medicare allowed
$56,637
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 185 | 95 | $163 | |
95923 |
Testing of autonomic (sympathetic) nervous system function | 65 | 59 | $51 | |
95924 |
Testing of autonomic (sympathetic and parasympathetic) nervous system function, at least 5 minutes of tilt | 64 | 63 | $99 | |
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 | 61 | 28 | $36 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 43 | 39 | $111 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 39 | 39 | $205 | |
11105 |
Punch biopsy, each additional skin growth | 33 | 17 | $29 | |
11104 |
Punch biopsy, first skin growth | 17 | 17 | $53 |
In context: peer comparison
Among 13 peers in Stanford Clinical Neurophysiology Physician, average services per provider: 99. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
104
Patients
20
Total drug cost
$13,635
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Midodrine Hcl | Generic | 51 | 20 | $6,934 |
| Losartan Potassium | Generic | 21 | 0 | $191 |
| Droxidopa | Generic | 18 | 0 | $6,019 |
| Fludrocortisone Acetate | Generic | 14 | 0 | $490 |
Hospital affiliations
Frequently asked questions
What is Dr. Nicholas Larsen's medical specialty?
Dr. Nicholas Larsen practices Clinical Neurophysiology Physician in Stanford, CA.
Where does Dr. Nicholas Larsen practice?
Dr. Nicholas Larsen practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Nicholas Larsen's NPI?
Dr. Nicholas Larsen's National Provider Identifier (NPI) is 1508212663, issued by NPPES.
Does Dr. Nicholas Larsen accept Medicare assignment?
Yes. Dr. Nicholas Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Larsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Testing of autonomic (sympathetic) nervous system function (HCPCS 95923); Testing of autonomic (sympathetic and parasympathetic) nervous system function (HCPCS 95924). Source: CMS Medicare Physician & Other Practitioners file.