Doctor profile · Federal record
Dr. Ian Larson
Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · New York, NY
- NPI 1649732439
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
550 1St Ave
New York, NY 100166402
(212) 263-7300
fax (212) 263-6022
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- October 13, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- New York #316807
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649732439. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
708
Distinct HCPCS
6
Medicare allowed
$74,692
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 373 | 150 | $89 | |
99238 |
Hospital discharge day management, 30 minutes or less | 96 | 95 | $91 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 86 | 45 | $133 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 64 | 64 | $146 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 52 | 52 | $194 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 37 | 22 | $56 |
In context: peer comparison
Among 190 peers in New York Hospitalist Physician, average services per provider: 97. This provider delivers 7.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$2,567
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Vancomycin Hcl | Generic | 11 | 0 | $2,567 |
Hospital affiliations
Frequently asked questions
What is Dr. Ian Larson's medical specialty?
Dr. Ian Larson practices Hospitalist Physician in New York, NY.
Where does Dr. Ian Larson practice?
Dr. Ian Larson practices at 550 1St Ave, New York, NY 100166402. Office phone: 2122637300.
What is Dr. Ian Larson's NPI?
Dr. Ian Larson's National Provider Identifier (NPI) is 1649732439, issued by NPPES.
Does Dr. Ian Larson accept Medicare assignment?
Yes. Dr. Ian Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Larson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.