Doctor profile · Federal record
Dr. Kellyann O'Brien, PA-C
Medical Physician Assistant (CMS: Physician Assistant) · Springfield, MA
- NPI 1619910155
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3400 Main St
Springfield, MA 011071113
(413) 794-9560
fax (413) 794-5884 - Additional location
-
471 Center St
Ludlow, MA 010562733
(413) 625-3500 - Mailing address
-
280 Chestnut St, 2Nd Floor
Springfield, MA 011991619
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 17, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Massachusetts #PA4823
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619910155. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
22
Distinct HCPCS
1
Medicare allowed
$3,175
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $144 |
In context: peer comparison
Among 65 peers in Springfield Medical Physician Assistant, average services per provider: 119. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
14
Total drug cost
$50
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 14 | 14 | $50 |
Frequently asked questions
What is Dr. Kellyann O'Brien's medical specialty?
Dr. Kellyann O'Brien practices Medical Physician Assistant in Springfield, MA.
Where does Dr. Kellyann O'Brien practice?
Dr. Kellyann O'Brien practices at 3400 Main St, Springfield, MA 011071113. Office phone: 4137949560.
What is Dr. Kellyann O'Brien's NPI?
Dr. Kellyann O'Brien's National Provider Identifier (NPI) is 1619910155, issued by NPPES.
Does Dr. Kellyann O'Brien accept Medicare assignment?
Yes. Dr. Kellyann O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kellyann O'Brien commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.