Doctor profile · Federal record
Dr. Mary Harris, M.D.
Gastroenterology Physician · Baltimore, MD
- NPI 1932159738
- MIPS 83.3 / 100 · 2023
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-4166 - Mailing address
-
Po Box 64264
Baltimore, MD 212644264
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 23, 2014
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D33592
- Medicaid
- MD #530821600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932159738. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
177
Distinct HCPCS
5
Medicare allowed
$27,004
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 68 | 59 | $135 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $178 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 24 | 24 | $178 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 21 | 19 | $100 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 14 | 14 | $179 |
In context: peer comparison
Among 49 peers in Baltimore Gastroenterology Physician, average services per provider: 49. This provider delivers 3.6× the peer median.Open Payments
Industry payments received
All-time total
$302
Transactions
15
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 12 | $233.10 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $50.80 | |
| Medtronic, INC. | 1 | $18.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
147
Patients
25
Total drug cost
$301,195
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mesalamine | Generic | 44 | 11 | $55,191 |
| Balsalazide Disodium | Generic | 24 | 0 | $3,984 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 16 | 0 | $1,009 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 16 | 14 | $260 |
| Pantoprazole Sodium | Generic | 13 | 0 | $141 |
| Skyrizi on-Body (Risankizumab-Rzaa) | Brand | 12 | 0 | $224,484 |
| Budesonide Ec (Budesonide) | Brand | 11 | 0 | $7,770 |
| Mesalamine ER (Mesalamine) | Brand | 11 | 0 | $8,356 |
Frequently asked questions
What is Dr. Mary Harris's medical specialty?
Dr. Mary Harris practices Gastroenterology Physician in Baltimore, MD.
Where does Dr. Mary Harris practice?
Dr. Mary Harris practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4109554166.
What is Dr. Mary Harris's NPI?
Dr. Mary Harris's National Provider Identifier (NPI) is 1932159738, issued by NPPES.
What procedures does Dr. Mary Harris commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.