Doctor profile · Federal record
Dr. Shannon O'Connor, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Rockville, MD
- NPI 1972760452
- Accepts Medicare
- MIPS 76.7 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9707 Medical Center Dr Ste 300
Rockville, MD 208503365
(301) 424-6231
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- December 21, 2011
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Maryland #D0073109
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972760452. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
81,323
Distinct HCPCS
10
Medicare allowed
$1,164,420
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 17,580 | 39 | $3 | |
J1439 |
Injection, ferric carboxymaltose, 1 mg | 16,500 | 18 | $1 | |
J0185 |
Injection, aprepitant, 1 mg | 7,930 | 33 | $2 | |
J9271 |
Injection, pembrolizumab, 1 mg | 6,800 | 12 | $55 | |
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 5,760 | 13 | $47 | |
J1756 |
Injection, iron sucrose, 1 mg | 5,100 | 13 | $0 | |
J9267 |
Injection, paclitaxel, 1 mg | 4,764 | 13 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 4,320 | 20 | $23 | |
J1437 |
Injection, ferric derisomaltose, 10 mg | 1,900 | 18 | $20 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,194 | 54 | $0 |
In context: peer comparison
Among 4 peers in Rockville Hematology & Oncology Physician, average services per provider: 1,992. This provider delivers 41× the peer median.Open Payments
Industry payments received
All-time total
$373
Transactions
10
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tempus Ai, INC | 1 | $99.90 | |
| US Oncology Corporate, INC. | 1 | $63.97 | |
| Alexion Pharmaceuticals, INC. | 2 | $51.36 | |
| Janssen Biotech, INC. | 1 | $42.49 | |
| Pfizer INC. | 2 | $39.08 | |
| Merck Sharp & Dohme LLC | 1 | $33.41 | |
| Gilead Sciences, INC. | 1 | $24.68 | |
| Lilly USA, LLC | 1 | $18.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
386
Patients
91
Total drug cost
$660,446
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 166 | 48 | $4,566 |
| Letrozole | Generic | 52 | 20 | $2,081 |
| Exemestane | Generic | 47 | 12 | $20,030 |
| Tamoxifen Citrate | Generic | 31 | 11 | $870 |
| Ibrance (Palbociclib) | Brand | 25 | 0 | $417,656 |
| Eliquis (Apixaban) | Brand | 21 | 0 | $33,736 |
| Warfarin Sodium | Generic | 18 | 0 | $599 |
| Xarelto (Rivaroxaban) | Brand | 15 | 0 | $18,200 |
| Kisqali (Ribociclib Succinate) | Brand | 11 | 0 | $162,708 |
Frequently asked questions
What is Dr. Shannon O'Connor's medical specialty?
Dr. Shannon O'Connor practices Hematology & Oncology Physician in Rockville, MD.
Where does Dr. Shannon O'Connor practice?
Dr. Shannon O'Connor practices at 9707 Medical Center Dr Ste 300, Rockville, MD 208503365. Office phone: 3014246231.
What is Dr. Shannon O'Connor's NPI?
Dr. Shannon O'Connor's National Provider Identifier (NPI) is 1972760452, issued by NPPES.
Does Dr. Shannon O'Connor accept Medicare assignment?
Yes. Dr. Shannon O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, aprepitant, 1 mg (HCPCS J0185). Source: CMS Medicare Physician & Other Practitioners file.