Doctor profile · Federal record
Dr. Wallace Johnson, M.D.
Hypertension Specialist Physician (CMS: Internal Medicine) · Baltimore, MD
- NPI 1043253867
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St
Baltimore, MD 212011590
(410) 328-7877
fax (410) 328-1048 - Mailing address
-
Po Box 64442
Baltimore, MD 212644442
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 16, 2019
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RH0005X — NUCC code
- State license (1)
- Maryland #D38086
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043253867. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
609
Distinct HCPCS
7
Medicare allowed
$78,916
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 477 | 220 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 26 | $97 | |
G0008 |
Administration of influenza virus vaccine | 26 | 26 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 25 | 25 | $66 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $179 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 18 | $138 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 13 | $192 |
In context: peer comparison
Among 1 peers in Baltimore Hypertension Specialist Physician, average services per provider: 87. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$761
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 3 | $761.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,765
Patients
544
Total drug cost
$47,042
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 314 | 94 | $3,784 |
| Atorvastatin Calcium | Generic | 314 | 91 | $7,082 |
| Losartan Potassium | Generic | 197 | 56 | $3,220 |
| Hydrochlorothiazide | Generic | 126 | 45 | $867 |
| Metoprolol Succinate | Generic | 111 | 45 | $3,415 |
| Nifedipine ER (Nifedipine) | Brand | 102 | 35 | $6,217 |
| Carvedilol | Generic | 92 | 32 | $1,533 |
| Spironolactone-Hctz (Spironolact/Hydrochlorothiazid) | Brand | 75 | 0 | $1,868 |
| Lisinopril | Generic | 73 | 25 | $1,262 |
| Ezetimibe | Generic | 70 | 23 | $5,520 |
Hospital affiliations
Frequently asked questions
What is Dr. Wallace Johnson's medical specialty?
Dr. Wallace Johnson practices Hypertension Specialist Physician in Baltimore, MD.
Where does Dr. Wallace Johnson practice?
Dr. Wallace Johnson practices at 22 S Greene St, Baltimore, MD 212011590. Office phone: 4103287877.
What is Dr. Wallace Johnson's NPI?
Dr. Wallace Johnson's National Provider Identifier (NPI) is 1043253867, issued by NPPES.
Does Dr. Wallace Johnson accept Medicare assignment?
Yes. Dr. Wallace Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wallace Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.