Doctor profile · Federal record
Dr. Sean Mullally, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Northampton, MA
- NPI 1427099001
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
30 Locust St
Northampton, MA 010602052
(413) 582-2900
fax (413) 923-9322
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 17, 2016
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Massachusetts #216519
- Medicaid
- MA #2023016
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427099001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,734
Distinct HCPCS
10
Medicare allowed
$401,378
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,179 | 699 | $100 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 719 | 337 | $147 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 265 | 133 | $81 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 253 | 118 | $51 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 227 | 181 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 215 | 204 | $68 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 178 | 135 | $178 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 175 | 140 | $133 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 127 | 77 | $122 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 126 | 126 | $186 |
In context: peer comparison
Among 2 peers in Northampton Hematology & Oncology Physician, average services per provider: 211. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 1 | $19.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
887
Patients
224
Total drug cost
$787,103
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 120 | 31 | $89,025 |
| Letrozole | Generic | 97 | 30 | $2,374 |
| Oxycodone Hcl | Generic | 96 | 33 | $2,272 |
| Xarelto (Rivaroxaban) | Brand | 88 | 18 | $68,159 |
| Prednisone | Generic | 69 | 36 | $801 |
| Anastrozole | Generic | 60 | 19 | $1,567 |
| Hydroxyurea | Generic | 53 | 19 | $1,707 |
| Acyclovir | Generic | 48 | 11 | $784 |
| Gabapentin | Generic | 44 | 0 | $3,281 |
| Omeprazole | Generic | 41 | 13 | $495 |
Hospital affiliations
Frequently asked questions
What is Dr. Sean Mullally's medical specialty?
Dr. Sean Mullally practices Hematology & Oncology Physician in Northampton, MA.
Where does Dr. Sean Mullally practice?
Dr. Sean Mullally practices at 30 Locust St, Northampton, MA 010602052. Office phone: 4135822900.
What is Dr. Sean Mullally's NPI?
Dr. Sean Mullally's National Provider Identifier (NPI) is 1427099001, issued by NPPES.
Does Dr. Sean Mullally accept Medicare assignment?
Yes. Dr. Sean Mullally accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Mullally 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 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.