Doctor profile · Federal record
Dr. Kristen Obrien, M.D.
Family Medicine Physician (CMS: Family Practice) · Smithtown, NY
- NPI 1811922529
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9 Brooksite Dr, Suite 1
Smithtown, NY 117873400
(631) 724-1331
fax (631) 360-5646
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 2, 2008
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- New York #231689
- Medicaid
- NY #02639114
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811922529. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,607
Distinct HCPCS
10
Medicare allowed
$170,507
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 428 | 229 | $149 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 297 | 297 | $150 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 252 | 168 | $105 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 102 | 101 | $17 | |
G0008 |
Administration of influenza virus vaccine | 94 | 93 | $36 | |
90662 |
Influenza vaccine split virus, preservative free | 90 | 89 | $72 | |
96372 |
Injection of drug or substance under skin or into muscle | 56 | 19 | $17 | |
36415 |
Insertion of needle into vein for collection of blood sample | 55 | 48 | $8 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 47 | 47 | $22 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 45 | 11 | $1 |
In context: peer comparison
Among 9 peers in Smithtown Family Medicine Physician, average services per provider: 117. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,856
Patients
664
Total drug cost
$25,883
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 275 | 93 | $3,540 |
| Amlodipine Besylate | Generic | 180 | 65 | $1,518 |
| Rosuvastatin Calcium | Generic | 160 | 62 | $4,231 |
| Losartan Potassium | Generic | 145 | 50 | $1,812 |
| Levothyroxine Sodium | Generic | 137 | 48 | $3,141 |
| Metoprolol Succinate | Generic | 134 | 42 | $2,270 |
| Fluticasone Propionate | Generic | 116 | 51 | $1,727 |
| Zolpidem Tartrate | Generic | 115 | 22 | $705 |
| Omeprazole | Generic | 106 | 42 | $1,442 |
| Montelukast Sodium | Generic | 103 | 35 | $1,561 |
Hospital affiliations
Frequently asked questions
What is Dr. Kristen Obrien's medical specialty?
Dr. Kristen Obrien practices Family Medicine Physician in Smithtown, NY.
Where does Dr. Kristen Obrien practice?
Dr. Kristen Obrien practices at 9 Brooksite Dr, Smithtown, NY 117873400. Office phone: 6317241331.
What is Dr. Kristen Obrien's NPI?
Dr. Kristen Obrien's National Provider Identifier (NPI) is 1811922529, issued by NPPES.
Does Dr. Kristen Obrien accept Medicare assignment?
Yes. Dr. Kristen Obrien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Obrien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.