Doctor profile · Federal record
Dr. Gary Keilson, MD
Neurology Physician (CMS: Neurology) · Worcester, MA
- NPI 1508857707
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
123 Summer St, Suite 230 S
Worcester, MA 016081312
(508) 368-3150
fax (508) 368-3152 - Mailing address
-
630 Plantation St
Worcester, MA 016052038
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- May 2, 2011
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Massachusetts #74084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508857707. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,623
Distinct HCPCS
10
Medicare allowed
$134,839
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0585 |
Injection, onabotulinumtoxina, 1 unit | 8,930 | 21 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 275 | 213 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 77 | 77 | $168 | |
95885 |
Needle measurement of electrical activity in arm or leg muscles, limited study | 56 | 48 | $65 | |
95886 |
Needle measurement of electrical activity in arm or leg muscles, complete study | 54 | 47 | $102 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 43 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 37 | 37 | $175 | |
95910 |
Nerve conduction, 7-8 studies | 36 | 36 | $182 | |
95912 |
Nerve conduction, 11-12 studies | 24 | 24 | $256 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 18 | 15 | $8 |
In context: peer comparison
Among 31 peers in Worcester Neurology Physician, average services per provider: 131. This provider delivers 73× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alnylam Pharmaceuticals INC. | 1 | $22.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,210
Patients
515
Total drug cost
$254,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 425 | 95 | $5,458 |
| Levetiracetam | Generic | 267 | 50 | $11,072 |
| Donepezil Hcl | Generic | 254 | 76 | $4,700 |
| Baclofen | Generic | 161 | 48 | $3,038 |
| Memantine Hcl | Generic | 148 | 42 | $8,605 |
| Primidone | Generic | 146 | 33 | $5,437 |
| Pramipexole Dihydrochloride (Pramipexole di-Hcl) | Brand | 135 | 34 | $5,091 |
| Topiramate | Generic | 130 | 43 | $3,900 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 114 | 36 | $4,701 |
| Nurtec Odt (Rimegepant Sulfate) | Brand | 101 | 17 | $138,538 |
Frequently asked questions
What is Dr. Gary Keilson's medical specialty?
Dr. Gary Keilson practices Neurology Physician in Worcester, MA.
Where does Dr. Gary Keilson practice?
Dr. Gary Keilson practices at 123 Summer St, Worcester, MA 016081312. Office phone: 5083683150.
What is Dr. Gary Keilson's NPI?
Dr. Gary Keilson's National Provider Identifier (NPI) is 1508857707, issued by NPPES.
Does Dr. Gary Keilson accept Medicare assignment?
Yes. Dr. Gary Keilson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Keilson commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.