Doctor profile · Federal record
Dr. Marissa Watts, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Columbia, MD
- NPI 1720345358
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5755 Cedar Ln
Columbia, MD 210442912
(410) 720-8695
fax (410) 720-8580 - Additional location
-
2799 W Grand Blvd
Detroit, MI 482022608
(313) 916-9100 - Mailing address
-
6201 Greenleigh Ave
Middle River, MD 212202004
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- January 15, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Maryland #D80923 · Michigan #4301101114
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720345358. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,134
Distinct HCPCS
5
Medicare allowed
$148,723
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 614 | 244 | $127 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 172 | 169 | $189 | |
99239 |
Hospital discharge day management, more than 30 minutes | 171 | 170 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 164 | 98 | $84 | |
99291 |
Critical care, first 30-74 minutes | 13 | 13 | $232 |
In context: peer comparison
Among 31 peers in Columbia Internal Medicine Physician, average services per provider: 147. This provider delivers 7.7× the peer median.Open Payments
Industry payments received
All-time total
$99
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 2 | $43.73 | |
| Abbvie INC. | 2 | $37.56 | |
| Janssen Pharmaceuticals, INC | 1 | $17.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
44
Patients
29
Total drug cost
$449
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 17 | 16 | $214 |
| Atorvastatin Calcium | Generic | 15 | 13 | $159 |
| Metoprolol Succinate | Generic | 12 | 0 | $75 |
Frequently asked questions
What is Dr. Marissa Watts's medical specialty?
Dr. Marissa Watts practices Internal Medicine Physician in Columbia, MD.
Where does Dr. Marissa Watts practice?
Dr. Marissa Watts practices at 5755 Cedar Ln, Columbia, MD 210442912. Office phone: 4107208695.
What is Dr. Marissa Watts's NPI?
Dr. Marissa Watts's National Provider Identifier (NPI) is 1720345358, issued by NPPES.
Does Dr. Marissa Watts accept Medicare assignment?
Yes. Dr. Marissa Watts accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Watts commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.