Doctor profile · Federal record
Dr. Colin Weekes, MD
Medical Oncology Physician (CMS: Medical Oncology) · Medical Oncology Physician · Medical Oncology Physician · Boston, MA
- NPI 1043366750
- Accepts Medicare
- 26 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
55 Fruit St
Boston, MA 021142621
(866) 493-1612 - Additional location
-
1665 Ursula St
Aurora, CO 800457402
(303) 724-0295
fax (303) 724-3889 - Additional location
-
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-5000 - Additional location
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Show 1 more location
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- March 24, 2026
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State licenses (3)
- Massachusetts #269790 · Colorado #45860 · Maryland #D59858
- Medicaid
- MD #D0059858
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043366750. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
444
Distinct HCPCS
5
Medicare allowed
$66,327
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 291 | 108 | $153 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 46 | $104 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 13 | $126 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 29 | 29 | $239 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $184 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 67. This provider delivers 6.6× the peer median.Open Payments
Industry payments received
All-time total
$6,562
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 1 | $5,906.25 | |
| Merck Sharp & Dohme LLC | 1 | $610.00 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $45.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
92
Patients
43
Total drug cost
$65,780
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexamethasone | Generic | 34 | 16 | $480 |
| Ondansetron Odt (Ondansetron) | Brand | 24 | 16 | $383 |
| Creon (Lipase/Protease/Amylase) | Brand | 22 | 0 | $64,554 |
| Prochlorperazine Maleate | Generic | 12 | 11 | $364 |
Hospital affiliations
Frequently asked questions
What is Dr. Colin Weekes's medical specialty?
Dr. Colin Weekes practices Medical Oncology Physician in Boston, MA.
Where does Dr. Colin Weekes practice?
Dr. Colin Weekes practices at 55 Fruit St, Boston, MA 021142621. Office phone: 8664931612.
What is Dr. Colin Weekes's NPI?
Dr. Colin Weekes's National Provider Identifier (NPI) is 1043366750, issued by NPPES.
Does Dr. Colin Weekes accept Medicare assignment?
Yes. Dr. Colin Weekes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin Weekes commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.