Doctor profile · Federal record
Dr. HENRY ZWALLY, MD
Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · GLEN BURNIE, MD
- NPI 1669408936
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
7116 RITCHIE HWY
GLEN BURNIE, MD 210612904
(443) 577-0277 - Additional location
-
8118 Good Luck Road
Lanham, MD 20706
(301) 552-8118 - Mailing address
-
20010 CENTURY BLVD., SUITE 200
GERMANTOWN, MD 20874
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 4, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Maryland #D0042684
- Medicaid
- MD #064940600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669408936. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
510
Distinct HCPCS
10
Medicare allowed
$33,783
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 78 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 74 | $139 | |
71046 |
X-ray of chest, 2 views | 56 | 56 | $33 | |
87428 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 43 | 43 | $61 | |
36415 |
Insertion of needle into vein for collection of blood sample | 34 | 34 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 33 | 33 | $7 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $179 | |
80047 |
Blood test, basic group of blood chemicals (calcium, ionized) | 32 | 32 | $13 | |
81000 |
Manual urinalysis test with examination using microscope, non-automated | 27 | 27 | $4 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $123 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 79. This provider delivers 6.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
90
Patients
90
Total drug cost
$954
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 27 | 27 | $410 |
| Prednisone | Generic | 21 | 21 | $109 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 18 | 18 | $191 |
| Methylprednisolone | Generic | 12 | 12 | $122 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 12 | 12 | $121 |