Doctor profile · Federal record
Dr. Sean Osullivan, Physician Assistant
Physician Assistant · Brewster, NY
- NPI 1437103090
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
111 Clock Tower Cmns, Northern Medical Group, PLLC
Brewster, NY 105094055
(845) 592-4915
fax (845) 592-4914 - Mailing address
-
159 Barnegat RD, Northern Medical Group, PLLC
Poughkeepsie, NY 126015401
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 11, 2017
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- New York #009491
- Medicaid
- NY #02532709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437103090. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
402
Distinct HCPCS
10
Medicare allowed
$31,950
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 98 | 97 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 64 | 62 | $83 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 60 | 60 | $105 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 45 | 24 | $16 | |
87636 |
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b | 23 | 23 | $140 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 23 | 23 | $16 | |
81002 |
Urinalysis, manual test | 21 | 21 | $3 | |
87807 |
Detection test by immunoassay with direct visual observation for respiratory syncytial virus | 19 | 19 | $12 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $155 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 16 | 15 | $50 |
In context: peer comparison
Among 2 peers in Brewster Physician Assistant, average services per provider: 34. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
212
Patients
210
Total drug cost
$2,449
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 62 | 61 | $798 |
| Fluticasone Propionate | Generic | 41 | 41 | $504 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 25 | 25 | $211 |
| Azithromycin | Generic | 19 | 18 | $83 |
| Doxycycline Monohydrate | Generic | 19 | 19 | $294 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 16 | 16 | $343 |
| Cefdinir | Generic | 16 | 16 | $183 |
| Prednisone | Generic | 14 | 14 | $33 |
Frequently asked questions
What is Dr. Sean Osullivan's medical specialty?
Dr. Sean Osullivan practices Physician Assistant in Brewster, NY.
Where does Dr. Sean Osullivan practice?
Dr. Sean Osullivan practices at 111 Clock Tower Cmns, Brewster, NY 105094055. Office phone: 8455924915.
What is Dr. Sean Osullivan's NPI?
Dr. Sean Osullivan's National Provider Identifier (NPI) is 1437103090, issued by NPPES.
Does Dr. Sean Osullivan accept Medicare assignment?
Yes. Dr. Sean Osullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Osullivan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.